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Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 21:05

General

  • Target

    dee690988d9bc2bf630817fdb43c6d07_JaffaCakes118.exe

  • Size

    296KB

  • MD5

    dee690988d9bc2bf630817fdb43c6d07

  • SHA1

    a7d6294a0913717ba6dd39c0516021fc45a8debf

  • SHA256

    9152177c3d8dd0de603f00669b6d8c7d9b30bb9711d33f4c7ebc7c3700c9989f

  • SHA512

    4b00798706df21ccee891f2e038421d18050c674f90ff0a0b2ad632d98d1e68e38fc605d68044763d5d2aa7391e7339d4ae85f24fc6f44c274f3692969e76935

  • SSDEEP

    3072:A6veHqOdzh7sAFEouHwbBAW4hXNzcd6HFfak/K4jaU3bxt2eK:AUgz/FEouH+BAi4HFfAgLGb

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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dee690988d9bc2bf630817fdb43c6d07_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dee690988d9bc2bf630817fdb43c6d07_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\wdmey.exe
      "C:\Users\Admin\wdmey.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
      PID:884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wdmey.exe

    Filesize

    296KB

    MD5

    a039e6766db3ad709cc0cb565ea2cd03

    SHA1

    27b5ca1cafc6dfe10c35b0c143d2d23b88b050d1

    SHA256

    e6693046de361893ff13d39e6b1290a7b1f583e4cb6d53783ba2b9cab88f9888

    SHA512

    030ffd83887358bdd7f092bb1365e03da0e06b78ad234da39ecfc5c6ed6aef2e835483727f9ac4aa342dad3bb2ff7eafd0e0eb722a2e51f8e13560bbee3eed7e