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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 01:44

General

  • Target

    b5dfa1aa5e2bb9975b15dc708d8a3cc8_JaffaCakes118.exe

  • Size

    232KB

  • MD5

    b5dfa1aa5e2bb9975b15dc708d8a3cc8

  • SHA1

    134d996d5487975206d79ff8119695634951eae0

  • SHA256

    620a3102e9aa20e2e02059b1c84ca697371be83cb4f18f99a0dd5bc81a3b0c52

  • SHA512

    fa0ec1a021105b563e60ae1ab16a66a7fb248e44833c7d9c9a0cbf6013acd61d80fc2d452578543a784b7e39a77130562ab9dffa90dc3d7fc4b637e8d9cfec25

  • SSDEEP

    6144:4y13PFKs78vpRTlEqxF6snji81RUinKbLA:FPhp

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 27 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\b5dfa1aa5e2bb9975b15dc708d8a3cc8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b5dfa1aa5e2bb9975b15dc708d8a3cc8_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:4028
    • C:\Users\Admin\mzqob.exe
      "C:\Users\Admin\mzqob.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:1832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\mzqob.exe

    Filesize

    232KB

    MD5

    b7fdd78018f7f627943a2f4d38b3d33c

    SHA1

    e96ce8de99113efb0b880a6a40e35d5aca63cb49

    SHA256

    6855c374b4f840885854df5f93a628e9becadbfe00536d7cdfc0fc73557596cc

    SHA512

    7a24ace2916f1ba59c43af6e8e0afe00c5125e72707e3a2578799697c30ccbb648721139d091f1c476f3b1690f9c22a2dccf2e29455c22519d8ba18983da0a2d