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Analysis

  • max time kernel
    150s
  • max time network
    141s
  • 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, 18:59

General

  • Target

    b8c3464ad1b0b4a5633d02d573afc194_JaffaCakes118.exe

  • Size

    204KB

  • MD5

    b8c3464ad1b0b4a5633d02d573afc194

  • SHA1

    b1dc50d02acfaef04ac3f040b4f9763ff8fdf55b

  • SHA256

    dc14d9e783272661f16ff972f9284eeed7d3481f496bc1975fb5cedf6547c241

  • SHA512

    87123d5ceb7bd4436bc0f14d92ed2e5155e74d0b0fd894c1aca38bf5db3db17e56de88015d8a3d8def586f8c1d17cf1124976cd37e0f3476a24c8dfc2e99b195

  • SSDEEP

    1536:8luL30zZ3NMsOfXu7Ke9TG4yMSmcUk6lCbQvmSTpJwuqCNQR6nkX5SADkPY+GdtR:oc30ZTTG4yMZc9pJSTp63Zc

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 50 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\b8c3464ad1b0b4a5633d02d573afc194_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b8c3464ad1b0b4a5633d02d573afc194_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\phluav.exe
      "C:\Users\Admin\phluav.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:1460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\phluav.exe

    Filesize

    204KB

    MD5

    b3c3486e4839a0fb4b425479dfa33eb9

    SHA1

    7629c1d31c46de2ed4c92ed11b8472d438e32688

    SHA256

    b37d9823b62b8e1f0a2a7fd04679019b53c74dc61f58c7fc47762aecf83213bd

    SHA512

    12c0a2b8e0293534b50e28b15bdc065515aa717520223d474a83fa7649e49e2fef5cb3ac184019b8ca379be85b59fa049c21e6a6e3faf2a0e8edfa34c532a5ae