Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 14:51

General

  • Target

    40793825bd61c16c34ba91d6f4e6d07f_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    40793825bd61c16c34ba91d6f4e6d07f

  • SHA1

    c02ec7345b34c333d7aedec860f906996a202613

  • SHA256

    d7aec0470d862721574589773d7a1844c9db463615a7aedab29669abd2778bb7

  • SHA512

    e72d4e17e16c9d2ae099c5043cb42da7f9b52a9d88ec79d4c48482be5ebd35024f9539f16eb5c1eaffd6a26f9b5e080f36bd35fc423e819c7fe05c32ee31b9f3

  • SSDEEP

    3072:42YldGj/tm1VNDL0L/RSRDIy5lb5zGJJJ:4rdGMscUy5H

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 51 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\40793825bd61c16c34ba91d6f4e6d07f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40793825bd61c16c34ba91d6f4e6d07f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\beeewu.exe
      "C:\Users\Admin\beeewu.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:232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\beeewu.exe

    Filesize

    248KB

    MD5

    1ee6f2a1d0e5478e45cdb82647408b49

    SHA1

    e5f70e1eef534de55f95e990f3eccd7bddece47d

    SHA256

    6523b8cf85d14302de2ab55f791e64ff5ad5fa9168253e80e6a60763fa346262

    SHA512

    1a9a5ef0d31ee46b3cb092e901c86c3109953ca2ba88d5b541e6dea172e69aabed545529034eae73b8bccd79a5f4fc52c01a4fc2012684b8ffeeae96335e5f78