Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 15:50

General

  • Target

    edecbdfbce5fbd4dcb1f14ce49c5008c_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    edecbdfbce5fbd4dcb1f14ce49c5008c

  • SHA1

    bb0d31da961bfc41284211c5db4bf9d01e540904

  • SHA256

    255d46c2723dc77928bf61d6ecbf5c530239016e2bb8d611085a5d67f0d76648

  • SHA512

    c3ed192deeaf9c5eee40bd9103f6b472b99e9d4f22911069b5a80dc53fe6537548591996bdef5c75f09ddd6b5945eb749486f694df3c3ce443c7b8436d175c16

  • SSDEEP

    6144:ZjuR3lhBYdaE+XiBwP5RfAlmJotHiPrAqlxxGJjGFPZEDsqgnWflJUi:ZjullhGdaE+XiBwP5RYy+jGR0g6ld

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 52 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\edecbdfbce5fbd4dcb1f14ce49c5008c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edecbdfbce5fbd4dcb1f14ce49c5008c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\fouhuef.exe
      "C:\Users\Admin\fouhuef.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:4076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\fouhuef.exe

    Filesize

    248KB

    MD5

    74700e237933900a6cb48c58aa5b24c7

    SHA1

    0c4f2f9e65ad57ba01342250ccff151cc76ca025

    SHA256

    6a6fa68cad5f6d2b9e311dd4174152f3c04bbb1efc3d13adc102239337bc8a72

    SHA512

    abf2544791420bdd2fca73743de6940a9aeb19214f06845654067599f33895aea79237fcb755fee4ea90df8a9d5e180880f640f78c7f1f56d61bca2141682329