Analysis

  • max time kernel
    297s
  • max time network
    287s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 13:25

General

  • Target

    pa collective agreement pay 31201.js

  • Size

    13.9MB

  • MD5

    1c4259062faaac20eb7588c43b41b67a

  • SHA1

    9c58d602fd7cbf72ed5e956160e4047d58b98194

  • SHA256

    9b2e8b3f7a126a2e0d6bfadf984979189a6510cbfabf4f50f4880d7e4cbea119

  • SHA512

    6da1fc9295aa096330bae9ca11f34b29bec0cd3eb1b0f407c9b5230a604ea7673862860462c7ada45a1a777ff662525de6fc0bf9efdef2608929b7dd0d1ee268

  • SSDEEP

    49152:/tLF08dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDmtLF08dPXWR4ba/Jw:Zkc43mbkc43mbkc43ml

Malware Config

Signatures

  • GootLoader

    JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.

  • Blocklisted process makes network request 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\pa collective agreement pay 31201.js"
    1⤵
      PID:4744
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE EXECUT~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:716
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "EXECUT~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5060
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell
          3⤵
          • Blocklisted process makes network request
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1932

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sbqcxsld.drd.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Adobe\EXECUT~1.JS
      Filesize

      42.2MB

      MD5

      57c50ff152e84d7a71aa545b75905020

      SHA1

      99c4bfe9c10e447b1f48427f6eb58612a458b28a

      SHA256

      6a2dee7f07252f0824e22adf01818b4aaac5efb8214cd1990f0b16b60be8a2bb

      SHA512

      03386c1ef18d0f28f64e36a71b596894d5c217719e7fa23a8bdd1895a310d117cd2ef0ec3a1415dbf246f6cd03b7072f6d487f3297018d36cb5decdd2d70d711

    • memory/1932-3-0x0000013CC3430000-0x0000013CC3452000-memory.dmp
      Filesize

      136KB

    • memory/1932-13-0x0000013CDC860000-0x0000013CDC8A4000-memory.dmp
      Filesize

      272KB

    • memory/1932-14-0x0000013CDC930000-0x0000013CDC9A6000-memory.dmp
      Filesize

      472KB

    • memory/1932-15-0x0000013CDCB60000-0x0000013CDCB8A000-memory.dmp
      Filesize

      168KB

    • memory/1932-16-0x0000013CDCB60000-0x0000013CDCB84000-memory.dmp
      Filesize

      144KB