DEV-0586 Actor IOC - January 2022

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Id	961b6a81-5c53-40b6-9800-4f661a8faea7
Rulename	DEV-0586 Actor IOC - January 2022
Description	Identifies a match across IOC’s related to an actor tracked by Microsoft as DEV-0586 Reference: https://www.microsoft.com/security/blog/2022/01/15/destructive-malware-targeting-ukrainian-organizations/
Severity	High
Tactics	Impact
Techniques	T1561
Required data connectors	CiscoASA MicrosoftThreatProtection PaloAltoNetworks SecurityEvents WindowsSecurityEvents
Kind	Scheduled
Query frequency	6h
Query period	6h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Dev-0586_Jan2022_IOC.yaml
Version	1.0.4
Arm template	961b6a81-5c53-40b6-9800-4f661a8faea7.json

KQL

let iocs = externaldata(DateAdded:string,IoC:string,Type:string,TLP:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/DEV-0586.csv"] with (format="csv", ignoreFirstRecord=True);
let sha256Hashes = (iocs | where Type =~ "sha256" | project IoC);
let Command_Line = (iocs | where Type =~ "CommandLine" | project IoC);
(union isfuzzy=true
(DeviceProcessEvents
| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or ( InitiatingProcessCommandLine has ('127.0.0.1\\ADMIN$') and InitiatingProcessCommandLine has_any (Command_Line))
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName,  InitiatingProcessSHA256, Type, AccountName, SHA256
| extend Account = AccountName, Computer = DeviceName,  CommandLine = InitiatingProcessCommandLine, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), "InitiatingProcessSHA256", SHA256 in (sha256Hashes), "SHA256", "No Match")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, FileHashCustomEntity = case(FileHash == "InitiatingProcessSHA256", InitiatingProcessSHA256, FileHash == "SHA256", SHA256, "No Match"), AlgorithmCustomEntity = "SHA256"
),
( SecurityEvent
| where EventID == 4688
| where ( CommandLine has (@'127.0.0.1\\ADMIN$') and CommandLine has_any (Command_Line))
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
( CommonSecurityLog
| where FileHash in (sha256Hashes)
| project TimeGenerated, Message, SourceUserID, FileHash, Type
| extend timestamp = TimeGenerated, FileHashCustomEntity = FileHash, Account = SourceUserID, AlgorithmCustomEntity = "SHA256"
),
( imFileEvent
| where Hash in~ (sha256Hashes) or  ( ActingProcessCommandLine has ('127.0.0.1\\ADMIN$') and ActingProcessCommandLine has_any (Command_Line))
| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256
| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash, AlgorithmCustomEntity = "SHA256"
),
(Event
| where Source == "Microsoft-Windows-Sysmon"
| where EventID == 1
| extend EvData = parse_xml(EventData)
| extend EventDetail = EvData.DataItem.EventData.Data
| extend Image = EventDetail.[4].["#text"],  CommandLine = EventDetail.[10].["#text"], Hashes = tostring(EventDetail.[17].["#text"])
| extend Hashes = extract_all(@"(?P<key>\w+)=(?P<value>[a-zA-Z0-9]+)", dynamic(["key","value"]), Hashes)
| extend Hashes = column_ifexists("Hashes", ""), CommandLine = column_ifexists("CommandLine", "")
| extend Hashes = todynamic(Hashes) | mv-expand Hashes
| where (Hashes[0] =~ "SHA256" and Hashes[1] has_any (sha256Hashes)) or ( CommandLine has ('127.0.0.1\\ADMIN$') and CommandLine has_any (Command_Line)) 
| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image
| extend Type = strcat(Type, ": ", Source)
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1]), AlgorithmCustomEntity = "SHA256"
)
)

YAML

version: 1.0.4
status: Available
queryFrequency: 6h
requiredDataConnectors:
- connectorId: CiscoASA
  dataTypes:
  - CommonSecurityLog
- connectorId: PaloAltoNetworks
  dataTypes:
  - CommonSecurityLog
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceProcessEvents
- connectorId: SecurityEvents
  dataTypes:
  - SecurityEvent
- connectorId: WindowsSecurityEvents
  dataTypes:
  - SecurityEvent
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: FullName
  entityType: Account
- fieldMappings:
  - columnName: ProcessCustomEntity
    identifier: ProcessId
  entityType: Process
- fieldMappings:
  - columnName: HostCustomEntity
    identifier: FullName
  entityType: Host
- fieldMappings:
  - columnName: AlgorithmCustomEntity
    identifier: Algorithm
  - columnName: FileHashCustomEntity
    identifier: Value
  entityType: FileHash
kind: Scheduled
queryPeriod: 6h
severity: High
query: |
  let iocs = externaldata(DateAdded:string,IoC:string,Type:string,TLP:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/DEV-0586.csv"] with (format="csv", ignoreFirstRecord=True);
  let sha256Hashes = (iocs | where Type =~ "sha256" | project IoC);
  let Command_Line = (iocs | where Type =~ "CommandLine" | project IoC);
  (union isfuzzy=true
  (DeviceProcessEvents
  | where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or ( InitiatingProcessCommandLine has ('127.0.0.1\\ADMIN$') and InitiatingProcessCommandLine has_any (Command_Line))
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName,  InitiatingProcessSHA256, Type, AccountName, SHA256
  | extend Account = AccountName, Computer = DeviceName,  CommandLine = InitiatingProcessCommandLine, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), "InitiatingProcessSHA256", SHA256 in (sha256Hashes), "SHA256", "No Match")
  | extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, FileHashCustomEntity = case(FileHash == "InitiatingProcessSHA256", InitiatingProcessSHA256, FileHash == "SHA256", SHA256, "No Match"), AlgorithmCustomEntity = "SHA256"
  ),
  ( SecurityEvent
  | where EventID == 4688
  | where ( CommandLine has (@'127.0.0.1\\ADMIN$') and CommandLine has_any (Command_Line))
  | project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID
  | extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
  ),
  ( CommonSecurityLog
  | where FileHash in (sha256Hashes)
  | project TimeGenerated, Message, SourceUserID, FileHash, Type
  | extend timestamp = TimeGenerated, FileHashCustomEntity = FileHash, Account = SourceUserID, AlgorithmCustomEntity = "SHA256"
  ),
  ( imFileEvent
  | where Hash in~ (sha256Hashes) or  ( ActingProcessCommandLine has ('127.0.0.1\\ADMIN$') and ActingProcessCommandLine has_any (Command_Line))
  | extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256
  | project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
  | extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash, AlgorithmCustomEntity = "SHA256"
  ),
  (Event
  | where Source == "Microsoft-Windows-Sysmon"
  | where EventID == 1
  | extend EvData = parse_xml(EventData)
  | extend EventDetail = EvData.DataItem.EventData.Data
  | extend Image = EventDetail.[4].["#text"],  CommandLine = EventDetail.[10].["#text"], Hashes = tostring(EventDetail.[17].["#text"])
  | extend Hashes = extract_all(@"(?P<key>\w+)=(?P<value>[a-zA-Z0-9]+)", dynamic(["key","value"]), Hashes)
  | extend Hashes = column_ifexists("Hashes", ""), CommandLine = column_ifexists("CommandLine", "")
  | extend Hashes = todynamic(Hashes) | mv-expand Hashes
  | where (Hashes[0] =~ "SHA256" and Hashes[1] has_any (sha256Hashes)) or ( CommandLine has ('127.0.0.1\\ADMIN$') and CommandLine has_any (Command_Line)) 
  | project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image
  | extend Type = strcat(Type, ": ", Source)
  | extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1]), AlgorithmCustomEntity = "SHA256"
  )
  )  
tags:
- Dev-0586
- SchemaVersion: 0.1.0
  Schema: ASIMFileEvent
triggerOperator: gt
id: 961b6a81-5c53-40b6-9800-4f661a8faea7
description: |
  'Identifies a match across IOC's related to an actor tracked by Microsoft as DEV-0586
   Reference: https://www.microsoft.com/security/blog/2022/01/15/destructive-malware-targeting-ukrainian-organizations/'  
triggerThreshold: 0
name: DEV-0586 Actor IOC - January 2022
relevantTechniques:
- T1561
tactics:
- Impact
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Dev-0586_Jan2022_IOC.yaml

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/961b6a81-5c53-40b6-9800-4f661a8faea7')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/961b6a81-5c53-40b6-9800-4f661a8faea7')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01",
      "properties": {
        "displayName": "DEV-0586 Actor IOC - January 2022",
        "description": "'Identifies a match across IOC's related to an actor tracked by Microsoft as DEV-0586\n Reference: https://www.microsoft.com/security/blog/2022/01/15/destructive-malware-targeting-ukrainian-organizations/'\n",
        "severity": "High",
        "enabled": true,
        "query": "let iocs = externaldata(DateAdded:string,IoC:string,Type:string,TLP:string) [@\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/DEV-0586.csv\"] with (format=\"csv\", ignoreFirstRecord=True);\nlet sha256Hashes = (iocs | where Type =~ \"sha256\" | project IoC);\nlet Command_Line = (iocs | where Type =~ \"CommandLine\" | project IoC);\n(union isfuzzy=true\n(DeviceProcessEvents\n| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or ( InitiatingProcessCommandLine has ('127.0.0.1\\\\ADMIN$') and InitiatingProcessCommandLine has_any (Command_Line))\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName,  InitiatingProcessSHA256, Type, AccountName, SHA256\n| extend Account = AccountName, Computer = DeviceName,  CommandLine = InitiatingProcessCommandLine, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), \"InitiatingProcessSHA256\", SHA256 in (sha256Hashes), \"SHA256\", \"No Match\")\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, FileHashCustomEntity = case(FileHash == \"InitiatingProcessSHA256\", InitiatingProcessSHA256, FileHash == \"SHA256\", SHA256, \"No Match\"), AlgorithmCustomEntity = \"SHA256\"\n),\n( SecurityEvent\n| where EventID == 4688\n| where ( CommandLine has (@'127.0.0.1\\\\ADMIN$') and CommandLine has_any (Command_Line))\n| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName\n),\n( CommonSecurityLog\n| where FileHash in (sha256Hashes)\n| project TimeGenerated, Message, SourceUserID, FileHash, Type\n| extend timestamp = TimeGenerated, FileHashCustomEntity = FileHash, Account = SourceUserID, AlgorithmCustomEntity = \"SHA256\"\n),\n( imFileEvent\n| where Hash in~ (sha256Hashes) or  ( ActingProcessCommandLine has ('127.0.0.1\\\\ADMIN$') and ActingProcessCommandLine has_any (Command_Line))\n| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256\n| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash\n| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash, AlgorithmCustomEntity = \"SHA256\"\n),\n(Event\n| where Source == \"Microsoft-Windows-Sysmon\"\n| where EventID == 1\n| extend EvData = parse_xml(EventData)\n| extend EventDetail = EvData.DataItem.EventData.Data\n| extend Image = EventDetail.[4].[\"#text\"],  CommandLine = EventDetail.[10].[\"#text\"], Hashes = tostring(EventDetail.[17].[\"#text\"])\n| extend Hashes = extract_all(@\"(?P<key>\\w+)=(?P<value>[a-zA-Z0-9]+)\", dynamic([\"key\",\"value\"]), Hashes)\n| extend Hashes = column_ifexists(\"Hashes\", \"\"), CommandLine = column_ifexists(\"CommandLine\", \"\")\n| extend Hashes = todynamic(Hashes) | mv-expand Hashes\n| where (Hashes[0] =~ \"SHA256\" and Hashes[1] has_any (sha256Hashes)) or ( CommandLine has ('127.0.0.1\\\\ADMIN$') and CommandLine has_any (Command_Line)) \n| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image\n| extend Type = strcat(Type, \": \", Source)\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1]), AlgorithmCustomEntity = \"SHA256\"\n)\n)\n",
        "queryFrequency": "PT6H",
        "queryPeriod": "PT6H",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact"
        ],
        "techniques": [
          "T1561"
        ],
        "alertRuleTemplateName": "961b6a81-5c53-40b6-9800-4f661a8faea7",
        "customDetails": null,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "AccountCustomEntity"
              }
            ]
          },
          {
            "entityType": "Process",
            "fieldMappings": [
              {
                "identifier": "ProcessId",
                "columnName": "ProcessCustomEntity"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "HostCustomEntity"
              }
            ]
          },
          {
            "entityType": "FileHash",
            "fieldMappings": [
              {
                "identifier": "Algorithm",
                "columnName": "AlgorithmCustomEntity"
              },
              {
                "identifier": "Value",
                "columnName": "FileHashCustomEntity"
              }
            ]
          }
        ],
        "tags": [
          "Dev-0586",
          {
            "Schema": "ASIMFileEvent",
            "SchemaVersion": "0.1.0"
          }
        ],
        "status": "Available",
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Dev-0586_Jan2022_IOC.yaml",
        "templateVersion": "1.0.4"
      }
    }
  ]
}