Resubmissions

30-10-2024 10:51

241030-mx9d4stjdp 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 10:51

General

  • Target

    16e3b155eaf7d1979f651c9d8212c713.vbs

  • Size

    1.0MB

  • MD5

    16e3b155eaf7d1979f651c9d8212c713

  • SHA1

    1dadee69bc3a2272aa4fee3ccd95ab28f7c212b1

  • SHA256

    9cabd83bf12ccdc253c9bad639a0a7fb32adeb42958107db83bcb873a7821a0e

  • SHA512

    8d7c53cb2a806b9db342e7fe096fccd1c5c210c752ede70efca9838d76dd4ad0e6534747cdf408c794a9d4d89d197de5cf2378b54c7109d73f3c539a6face19b

  • SSDEEP

    12288:kErj1/mNloRqW0SkJ1YctRHLd5f69i2QU2bc6GUIW8zRd+jM8oT:k0jBm6RqR3do8JVf4yi

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.el-rohim.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    3hFb=2niub0P

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\16e3b155eaf7d1979f651c9d8212c713.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Users\Admin\AppData\Local\Temp\temp_file_rhjRS.exe
      "C:\Users\Admin\AppData\Local\Temp\temp_file_rhjRS.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\temp_file_rhjRS.exe

    Filesize

    679KB

    MD5

    fe1e87f14e333f93add6058b959f16a4

    SHA1

    e06ea076a28c5477449b0b02301d0c290d704ba5

    SHA256

    ecfe29e5734f7139ea6ef815efd701e7d832354260fada1f11e107dd5b95e763

    SHA512

    872b92f839e0004d82bbec64b2c427d77c7b2f8ec0dba52dcb382e56b776e75a60a134b1e0d3739539cce2f6c1215abb67cd8ffef09cea44d76528bff25b6453

  • memory/3084-11-0x00007FFD768F3000-0x00007FFD768F5000-memory.dmp

    Filesize

    8KB

  • memory/3084-12-0x000001326ADA0000-0x000001326AE4E000-memory.dmp

    Filesize

    696KB

  • memory/3084-13-0x000001326B1F0000-0x000001326B1F6000-memory.dmp

    Filesize

    24KB

  • memory/3084-14-0x00007FFD768F0000-0x00007FFD773B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3084-15-0x000001326D830000-0x000001326D9F2000-memory.dmp

    Filesize

    1.8MB

  • memory/3084-16-0x00007FFD768F3000-0x00007FFD768F5000-memory.dmp

    Filesize

    8KB

  • memory/3084-17-0x000001326CBE0000-0x000001326CC30000-memory.dmp

    Filesize

    320KB

  • memory/3084-18-0x00007FFD768F0000-0x00007FFD773B1000-memory.dmp

    Filesize

    10.8MB