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Analysis

  • max time kernel
    150s
  • 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
    10/10/2024, 15:01

General

  • Target

    307b9bcdb574c4c6490638788b0feccc_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    307b9bcdb574c4c6490638788b0feccc

  • SHA1

    5f9f300ee96b6d3d603f39874c4d65067916766e

  • SHA256

    e3982b20c245d4faba03e4c576bb04b67cf5ddb135062ad385acbd8a4d6820dc

  • SHA512

    18d92d82a56b39a6712740a935fd03f28186e24cfcf0a29653b16d6a7efd8479ed5f60312490bc99cc24f715b3dcba6dcdd4cc412cdf47372cd25b8e9c8f31bc

  • SSDEEP

    3072:Qet/aO9v8g39KQcJJ78IrDlq2RzFq247DCLTzltNSFN9b23y0PEOmuHw794rK9fq:QsUg39KQcJJ78IrDlq2RzFq247DCLTzE

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 1 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\307b9bcdb574c4c6490638788b0feccc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\307b9bcdb574c4c6490638788b0feccc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Users\Admin\beuunog.exe
      "C:\Users\Admin\beuunog.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:4680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\beuunog.exe

    Filesize

    142KB

    MD5

    3b73f65c95c56d201e954ebe9dfa76af

    SHA1

    67d34f36944ca12de28998f8352ea8e2a6a6e29f

    SHA256

    a9ac2ac15a61f8d665467603a5fc56c957e52151598be20a7b0753f5896e773a

    SHA512

    0506f5ef87fa31991ccd2a032cc4a1b86f36f1a2e93d4389215f7072e614aebf2cd7f00dad65d984b4616591b316caf689542742a9ef78845eb60a65c5433839

  • memory/3520-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3520-37-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4680-33-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4680-38-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB