Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 04:49

General

  • Target

    ea9de4753a8fb7da3d92b2793cfd247e_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    ea9de4753a8fb7da3d92b2793cfd247e

  • SHA1

    bfecd6834bc09f6884066182eab2371721c482dc

  • SHA256

    b3dc4310d121a03e0787dcc0b3bfe4cecdd62ade592d8e87109121f87d4e1239

  • SHA512

    455c062e7fc1c05a61f930af74756dd14cfa8766010d21d9af091f5caaa2d73e11af782377e0af8ec66d03d0d230bf5eb9eef8adb72824ed8229d087d4a677bd

  • SSDEEP

    1536:Scdz8iAuismywsyjqLw0wF9MGM9K/oKtNgCMbA1bL3N+NM5UfONIjnZvt:zRye/KLOM5FCnlt

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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea9de4753a8fb7da3d92b2793cfd247e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea9de4753a8fb7da3d92b2793cfd247e_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:2128
    • C:\Users\Admin\wfcod.exe
      "C:\Users\Admin\wfcod.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:3760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wfcod.exe

    Filesize

    100KB

    MD5

    c063bf94bd4dc8b4565025113627c886

    SHA1

    becce59decce2ebd1e6633fd4aa279bfa50069ad

    SHA256

    3b9519846982ca77adf1a58a1bcddd9c25ed3bd7b7f68550153d7374706614ef

    SHA512

    47afc77310f5029635c99967ec99c958456dc12ecc25a47c409276cd401fb96a7951dd4c8db6d0c369a5cae2ceb97552f184424e50ef090390db7266f0406cfc