Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 10:48

General

  • Target

    ed6c07ebe768f29baa4c0c87e8b6a157_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    ed6c07ebe768f29baa4c0c87e8b6a157

  • SHA1

    735394457c169e56d0902a6aaed6fcfc81e9934f

  • SHA256

    d51013bd4266368371c03eb8599f0aac7d8bf04bad5e5d17f9ea20b0cdecbf85

  • SHA512

    00639deeae83519a55e913867b52b0c116cb30ebb069513b7b1506d3859237732b27c632675ba68716b94a2173f89972bcd429243890d0a26f0870da9ef06f9b

  • SSDEEP

    3072:bYwaMKGz6cBewR7sEVSdJplM2IlNGzBkl9s+q:M+JBe2pV2M2CWs9

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 52 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\ed6c07ebe768f29baa4c0c87e8b6a157_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed6c07ebe768f29baa4c0c87e8b6a157_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\bxxik.exe
      "C:\Users\Admin\bxxik.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:2080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\bxxik.exe

    Filesize

    216KB

    MD5

    7e764377bad7ec3ecb8bb810188a9eee

    SHA1

    6a8c2868e462b125da202a4f137cb980cd7b6473

    SHA256

    888d8c89debb3ffe7f38a78397616c8fb286332fd3c7a91d6f53446d05d29ca7

    SHA512

    2f8ea9502fe03cce5ee6fe13fee63ee41b313d4a3a7c832af1c66ab46681f41eb28a3bb573778ae6c3308bfd7244b6982cca50dc93e26c68b25d45416134a5c2