Analysis

  • max time kernel
    287s
  • max time network
    298s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 10:38

General

  • Target

    BUSINE~1.js

  • Size

    43.2MB

  • MD5

    63a99e04e435616bdc87fed55d0a3a2c

  • SHA1

    87af1244405d3ed86e269f50982886d99b011c62

  • SHA256

    467641ed625f257318da1de965a6288f89bfef47cec6dddc511709cd959a5219

  • SHA512

    7fea274c200da726223ae6fabb93025c967dc850c4d3070b085f95b91654b7c97b24bdb61558ee855140c4213d9bf95699e6ce2a800bcac6e5451fd9603f8e1f

  • SSDEEP

    49152:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxv:l

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 10 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\BUSINE~1.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\System32\cscript.exe
      "C:\Windows\System32\cscript.exe" "BUSINE~1.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4492
      • 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:2044
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1044 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4980

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ecp1p3q.wa5.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2044-0-0x00007FFD76473000-0x00007FFD76475000-memory.dmp
      Filesize

      8KB

    • memory/2044-1-0x00000263D9810000-0x00000263D9832000-memory.dmp
      Filesize

      136KB

    • memory/2044-11-0x00007FFD76470000-0x00007FFD76F31000-memory.dmp
      Filesize

      10.8MB

    • memory/2044-12-0x00007FFD76470000-0x00007FFD76F31000-memory.dmp
      Filesize

      10.8MB

    • memory/2044-13-0x00000263F21D0000-0x00000263F2214000-memory.dmp
      Filesize

      272KB

    • memory/2044-14-0x00000263F22A0000-0x00000263F2316000-memory.dmp
      Filesize

      472KB

    • memory/2044-15-0x00000263F24C0000-0x00000263F24EA000-memory.dmp
      Filesize

      168KB

    • memory/2044-16-0x00000263F24C0000-0x00000263F24E4000-memory.dmp
      Filesize

      144KB

    • memory/2044-18-0x00007FFD76473000-0x00007FFD76475000-memory.dmp
      Filesize

      8KB

    • memory/2044-19-0x00007FFD76470000-0x00007FFD76F31000-memory.dmp
      Filesize

      10.8MB