Windows 7 deprecation

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Analysis

  • max time kernel
    114s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 13:13

General

  • Target

    6fb79ba3947c66a22fe871aa78ddee3d_JaffaCakes118.exe

  • Size

    36KB

  • MD5

    6fb79ba3947c66a22fe871aa78ddee3d

  • SHA1

    67a1926f167f759084f9f2542f9eaaee42e1887c

  • SHA256

    eee35028038d859e71c73315248c3d10a31595fcfc4262ac760565f562eb511f

  • SHA512

    f2ea627578491705d4e07a52ffaf22d5ac918cc25a21c01172ca64277e1efcc2125a2f5ba98fb0cdf446944b2331c605a26ea436c4435b7fe2faaba6f27f529d

  • SSDEEP

    384:cACr7s98J97l2SDWx6xP0J0M+HiYh1OjT6qdcaCQcEh0c3Ni5dYfjgf3j8Bzd5Qn:EnsGL7gSDWMRGYX1zrsnQi+ws

Malware Config

Signatures

  • 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 2 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fb79ba3947c66a22fe871aa78ddee3d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6fb79ba3947c66a22fe871aa78ddee3d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Users\Admin\Admin1\winlogon.exe
      "C:\Users\Admin\Admin1\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Admin1\winhelp32.exe

    Filesize

    114B

    MD5

    e89f75f918dbdcee28604d4e09dd71d7

    SHA1

    f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

    SHA256

    6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

    SHA512

    8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

  • C:\Users\Admin\Admin1\winlogon.exe

    Filesize

    36KB

    MD5

    6fb79ba3947c66a22fe871aa78ddee3d

    SHA1

    67a1926f167f759084f9f2542f9eaaee42e1887c

    SHA256

    eee35028038d859e71c73315248c3d10a31595fcfc4262ac760565f562eb511f

    SHA512

    f2ea627578491705d4e07a52ffaf22d5ac918cc25a21c01172ca64277e1efcc2125a2f5ba98fb0cdf446944b2331c605a26ea436c4435b7fe2faaba6f27f529d