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Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 03:15

General

  • Target

    042ba5007655395fcedc0e934cdbce6e_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    042ba5007655395fcedc0e934cdbce6e

  • SHA1

    4b557fc865bf2d22313681b52e4f65bdc393e4a8

  • SHA256

    f576b17e0d3209a93f0aa4b945f2c419f875e59d2333bb064e7364edd6a94d00

  • SHA512

    92724417c26c18e913889589e50f08918a2a3a1766595de666a29d2b5ddb12503d154746118974ea1c4ef75025f2d8f25651a8992ace8ef6e5c857891047d8f8

  • SSDEEP

    1536:t668iAuismywsLLw0wF9MGM9K/oKtNgCMbA1bL3N+NM5UfONIjnZ+S:XL/KLOM5FCnIS

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 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\042ba5007655395fcedc0e934cdbce6e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\042ba5007655395fcedc0e934cdbce6e_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:2368
    • C:\Users\Admin\heuxop.exe
      "C:\Users\Admin\heuxop.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:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\heuxop.exe

    Filesize

    100KB

    MD5

    6b77bcf79ac27d57c5cf7590740ac1bf

    SHA1

    97d7a2a8726578527dd689a11d5f09728f256b5d

    SHA256

    33b58032b7a66ad175798992cf7eea2827643278afed4b608bed04faa3da272d

    SHA512

    d6d1b58352c54bb2805f80708175ebcb9cce1fb1907077b982eb71a479827e3e69704601a0dd3134e3b7c356550fc58a22187c6b3295e4040015bb9120b0637b