Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 11:59

General

  • Target

    WyChVIlbg/main.sh

  • Size

    196KB

  • MD5

    d4f06b258da41c8260fe07e2bc280953

  • SHA1

    046a98fa4b8e4b44914884c1525c2c787c98cfa4

  • SHA256

    b89c2c4c38917239929a94d79f86076f61dde3029fb514fdc7944d7b0114a455

  • SHA512

    3bc6231d0d5aebad5f3dc45ff6c9b9391ebab51ea004acadd4b9cea96fab91a2274a04d65ca76c431048303cb2405178fcfb989db7bbac95a10ccbf42c4ce660

  • SSDEEP

    1536:WpiXzghbEZcJJK8V2i7S/Rn8B5mYlnsoZFWrJ+m6n8tBZO57w2kpm7grh7wJQeRN:Q

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    c2b4b0b720fba66768edf06b001f6130

    SHA1

    72cf4b9156eff45365d72cc3825a63b1ba12704e

    SHA256

    55a0424c6948bc32d3b72293a0f8676048a049d7c6058102467c8ee31b52484b

    SHA512

    878a05c395ca96ae3403a21d22a554e4beeb8341be5570f2bb43bb9bdf3c70ae7a0cef23c147c1214499290c076697c3e6a6bd36aec8a245140747deb8b9a304