Resubmissions

20-06-2024 13:44

240620-q2accs1ajh 10

20-06-2024 13:38

240620-qxh4pszglg 10

20-06-2024 13:15

240620-qhkc8azajd 10

20-06-2024 12:55

240620-p58hwsycke 10

20-06-2024 12:49

240620-p2g7jasdql 10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 13:38

General

  • Target

    pa collective agreement pay 90174.js

  • Size

    18.5MB

  • MD5

    c4d8fa6feaef5aba8eb9b2bd2b906176

  • SHA1

    31fef4eff4cda276264650c2dd1addbba9b03346

  • SHA256

    a330c0d7cabdfc88e979d72f69e0c9076964b1f16c805c445426cf2b61c9ea9a

  • SHA512

    6057bd5a06db48f567b8ed4ef66c67c6fc79b3f27ecfbf0b1dbb7e42e9cf7e37e0a9d9fd5097089868c9746acfe6602097eae5874d490151574fe3a01db6b5fd

  • SSDEEP

    49152:ojk08dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDVjk08dPXWR4ba/JOtz:ac43mMc43mMc43mMc43ml

Malware Config

Signatures

  • GootLoader

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

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 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 90174.js"
    1⤵
      PID:2368
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {25C88E5E-6390-420D-8BF3-79CD81B8E473} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE FUNCTI~1.JS
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "FUNCTI~1.JS"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2024
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:284

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    System Information Discovery

    1
    T1082

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\FUNCTI~1.JS
      Filesize

      47.1MB

      MD5

      b743009be3d7ca7180d24c4756fbc8a1

      SHA1

      56e2987ae7553c1a7e76084f606ccd709eb31527

      SHA256

      619ef36a80c85ea88366656df3307dceebf24dca8c04b1e8f864de53f49ade86

      SHA512

      ee4a4e83660ba0dd70a481396626ec6ad23a745b60065f0ea751140b730c6fbfed27bed9cea312a62075795a157c58c6a72d39223403d51827794ecc37b47805

    • memory/284-7-0x000000001B680000-0x000000001B962000-memory.dmp
      Filesize

      2.9MB

    • memory/284-8-0x00000000021D0000-0x00000000021D8000-memory.dmp
      Filesize

      32KB