Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 12:38

General

  • Target

    b37b5c1ce8814e6095c733e5fac921c2_JaffaCakes118.exe

  • Size

    260KB

  • MD5

    b37b5c1ce8814e6095c733e5fac921c2

  • SHA1

    34865dfdae372bb6061dac7682e690def530ecf9

  • SHA256

    030bbc81bad339c77c665d4a51fdd0bd39630c5f6795bf83363414c3d6f749a9

  • SHA512

    02f2e5995e408cd5f0c1db2f2dd9d3ccb435041fd3f6cdcd86773aa6d6f6c5a9a5de564332fe9003d46ed4f44168743f858b480b0c40d47e2a361ba51b144013

  • SSDEEP

    6144:HdtIgTSrMaIl/jcLijfHFEHWzKvjT85R:HzNTSrMaIqLlImH85R

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 50 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\b37b5c1ce8814e6095c733e5fac921c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b37b5c1ce8814e6095c733e5fac921c2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Users\Admin\gikij.exe
      "C:\Users\Admin\gikij.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:4808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\gikij.exe

    Filesize

    260KB

    MD5

    e39c4a5e0a9cea8975163d34e8551dd9

    SHA1

    5dbc3ce6ab1f4e1821697a60f6752df6cbcbb99e

    SHA256

    d3f11838ed6d3f1e5e9719ad43d7df0ff778a9d54c9d451bed3303095666c2e9

    SHA512

    f7ca6a75ea815a3db18902a564f078d5619523493cf7a681fd7f03658d2d76ec61264b4dd0223bbc43d3082843cf17321e423e4363e57a62d03ad32e13951afb