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Analysis

  • max time kernel
    149s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 19:24

General

  • Target

    1c3729bed187821a80d57e9fb6597029_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    1c3729bed187821a80d57e9fb6597029

  • SHA1

    b763344ddc687198c3c9a26f88f5307caa00dbf9

  • SHA256

    a55788c33ffe72a0305e2d3ab240d473183ceee757012f179958140909e31b49

  • SHA512

    b87893c45663c0504517a1cf9a672435993f089cd32a8618dd979b4ef624d8a8305eeedcd8e1881fb57c3bd638e1bf57ad4a0a787bc6297b503372904c7f07d8

  • SSDEEP

    6144:3Vg56UxwGQpNnVN8KqzeLM+8MvrLHHx5SQlibjXGWNkolay4p4bH8uO:HHpNnlPICrDS0ibLG/l

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c3729bed187821a80d57e9fb6597029_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c3729bed187821a80d57e9fb6597029_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\wiaivi.exe
      "C:\Users\Admin\wiaivi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wiaivi.exe

    Filesize

    248KB

    MD5

    1aa163eb498516da6dccc8d89b328cfd

    SHA1

    5b7085b90bd11b15cbefc77d4cd71e44f84b3689

    SHA256

    f732e0549a5e77cce90cc00bfbb06c001901fa4e1132d20a8a868d084c12a272

    SHA512

    45f0328196688e76b1f529605884e89b87341ea20c6b8aab8aa23e9caacd4d1f28b2860f381cb943640b076afdea13564db890a58d85debf51af3558b3110bae