Resubmissions

29-05-2024 20:45

240529-zjph1aab24 10

27-05-2024 12:20

240527-phzbpsbf6t 10

Analysis

  • max time kernel
    286s
  • max time network
    290s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 12:20

General

  • Target

    pa collective agreement pay 4276.js

  • Size

    9.9MB

  • MD5

    50d8be57ade9dfef0d88ceebaed045e7

  • SHA1

    88925bcacd1a933e0be0d9b4c7c5c39cb778615b

  • SHA256

    9ed8a1e46824ec9f06dbd63c5d43c79db62f7c2db3f463156396f2acab927140

  • SHA512

    cd78210384b12978fe4712e1ae137a7a941718caa478b42a51bdf45995ce05369469f8e7dafbb2f77eded67eb77867b76913d0bf7f44b2a3316994b3431fdead

  • SSDEEP

    49152:jytwpCQK+qFytwpCQK+qFytwpCQK+qFytwpCQK+qFytwpCQK+qFytwpCQK+qFytl:m

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 11 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 22 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 4276.js"
    1⤵
      PID:1460
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE TRANSA~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "TRANSA~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4856
        • 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:4832

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hgpv0p2q.3qu.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Sun\TRANSA~1.JS

      Filesize

      44.5MB

      MD5

      93f2dd4639ab2451b30a27edd051a128

      SHA1

      691d94d17390c5749737baec89679aff903d7ace

      SHA256

      db80a3806ae8919565751317ab1e124e32ad5a1f3ca44c710c6bc51c3aec4047

      SHA512

      dd4dcb281ccf13ee0032bcd912b175b22270a9b91637ac4f86fd1243303bb022278f21aa087a0f55955d99564d27729aa444fefdf555cfd295d2261d0d23e579

    • memory/4832-12-0x000001AAB28F0000-0x000001AAB2912000-memory.dmp

      Filesize

      136KB

    • memory/4832-13-0x000001AAB2AB0000-0x000001AAB2AF4000-memory.dmp

      Filesize

      272KB

    • memory/4832-14-0x000001AAB2D80000-0x000001AAB2DF6000-memory.dmp

      Filesize

      472KB

    • memory/4832-15-0x000001AAB2FD0000-0x000001AAB2FFA000-memory.dmp

      Filesize

      168KB

    • memory/4832-16-0x000001AAB2FD0000-0x000001AAB2FF4000-memory.dmp

      Filesize

      144KB