Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:20

General

  • Target

    826d80668fe34e3c6582e45d29c8bbe7_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    826d80668fe34e3c6582e45d29c8bbe7

  • SHA1

    f9fe0892ac2b2477b9f1398f7aa8f31881197351

  • SHA256

    5996a74066504d624eaff1993bb8189827e2b7d6374d40198f80c4614535ed9d

  • SHA512

    1f551852346f2f77a5278be0030b8a5fd2b86687a759368dbd9565a44941ad483460378824fbc6be480815ea31b48955b2ad90ed1f1ae1c576dd7e16015e3751

  • SSDEEP

    1536:/m6x2c5dYgkG4xkpHUjZn5B2jZmhYNfZSzvMaReGnO0r:e6xtcdn

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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\826d80668fe34e3c6582e45d29c8bbe7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\826d80668fe34e3c6582e45d29c8bbe7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\paeti.exe
      "C:\Users\Admin\paeti.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
      • Suspicious use of WriteProcessMemory
      PID:4460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\paeti.exe

    Filesize

    200KB

    MD5

    1c04da8bc89b72062c30b0d9115abdf4

    SHA1

    c43c867531d9cb19f427db54519898210adbe692

    SHA256

    edf69ce7243dc8259b0ee35274a4cefd83a9a2c2f82fed5294a19d12925b0648

    SHA512

    afca87043864c249845917da81ba96bf9d89db8281ee2bd0e35f5a7a37e9e1b4ba86308aa0225a6a49077132671196bf7d51e89b987a06c92d40cb13b387b4a4