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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 02:06

General

  • Target

    374cc8378919066927a76048b8117a6f_JaffaCakes118.exe

  • Size

    128KB

  • MD5

    374cc8378919066927a76048b8117a6f

  • SHA1

    4668d04ae06096788350b85fba0a49d974ffbdaa

  • SHA256

    cecfbba6621c8b18b6f122875167f8a18564d5dbe85affd99017c1a114647251

  • SHA512

    6e3eb3dcd65c30f0b14ac5116420d7a1c0936dd155b79f9ffbbd607a0ef92a66d4d7e86f5d169725ac623024b2c08ea4c3ab5681e939089c7126481ed0724ad8

  • SSDEEP

    1536:BcJsi59yhgIuFQFvHwd6PXOYb7gXWgWKsEH/NeG0h/l:SJsi59Ag/FQByYb7gvsE4t

Score
10/10

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 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\374cc8378919066927a76048b8117a6f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\374cc8378919066927a76048b8117a6f_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\vrrug.exe
      "C:\Users\Admin\vrrug.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\vrrug.exe

    Filesize

    128KB

    MD5

    770c56ba6b03c22af4b38be90539b709

    SHA1

    8bd01fbe3397f4edd438b57fcc3eff2473ad7557

    SHA256

    f0935294b1e050e6174943e8f6af8a59d86f57d8c63d1b58ddaf314e77a67b39

    SHA512

    701ffe0aa5cef7ec23926380febe10641aeb464db8f3d817ef9706b0bdea09c27342e078e4a66dd6d36372e0f21e4c4d5601f8f7656af7cba6a4332c42da2d73