Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 04:20

General

  • Target

    ef0e9664f27e0d9c7ac3bdcce41a66d1_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    ef0e9664f27e0d9c7ac3bdcce41a66d1

  • SHA1

    1bf832213b27353512115862c606be8fff355076

  • SHA256

    d5fc6a14ea415f0a1ed4eb227861aa0591c55930279203cc48b854e2a1367a3c

  • SHA512

    c9e9be1b6ffb96b1e499c9fe1ec3e85454adadb8c95c72469c2cf41009bbd9323ccf0dd1c753d8b8b0d337f1cd894c63f0a85a64a73dbe6427899efc0b987e17

  • SSDEEP

    6144:JUC3dwqsNwemAB0EqxF6snji81RUinKchhyZS3c:bdQQJsAM

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 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef0e9664f27e0d9c7ac3bdcce41a66d1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef0e9664f27e0d9c7ac3bdcce41a66d1_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\booihe.exe
      "C:\Users\Admin\booihe.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\booihe.exe

    Filesize

    240KB

    MD5

    a31073296e77b5397cad998444da920f

    SHA1

    c3f3ee640a44742372c55b5b8229c96cd8efb321

    SHA256

    17f127ac35302fdee0f41390f40a7a3c0a2fac5796c24b6b29c06727d101a09f

    SHA512

    2684a786cf15693a442067c4e0e4a1be1012986ff9c1b2c94e1907b2f52580214e9b1a16cc056a29d31957cbd56ca21a79ebc0aece0df022ff813df1b3486a71