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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 23:30

General

  • Target

    039e3bbbdc4b89f74154a95535c37a34_JaffaCakes118.exe

  • Size

    96KB

  • MD5

    039e3bbbdc4b89f74154a95535c37a34

  • SHA1

    55932bfb068803b176e25c1967f0e13c26d7caee

  • SHA256

    8c6a9cf0261f8ab2478cdb28448a1c41511e491604b09cb303253eab79cae923

  • SHA512

    6896585915e98be47d0f539c216a338ac76d4220d2e0419504134268cbeadfeb58fffae6982bd42ac2aa7c19fcea6903a567ac74ad5f96429367334c11a90201

  • SSDEEP

    1536:n6QBHjf6cO/hxkGulSc16l6u+NMMl/KlYv1Tq5ThF/NIjnZKh:14hWlu8CFF/Cn0h

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\039e3bbbdc4b89f74154a95535c37a34_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\039e3bbbdc4b89f74154a95535c37a34_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:3328
    • C:\Users\Admin\hrcaz.exe
      "C:\Users\Admin\hrcaz.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:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hrcaz.exe

    Filesize

    96KB

    MD5

    3aeaac224026397d55808c21a9d4e526

    SHA1

    184cfc2e88477b152ce06fd54a1705e70b064fb5

    SHA256

    a7826cebc92221f6d38bd554406c775c7909be1045ab7a83f032f5aeca119727

    SHA512

    53702c7c03d98407b4740ed855b225f58cc1b33264c56be3508142b3e860241d4120bab64ac0fd5df768e7d9676ae1eade96d0e46c339aecc0c9813a33eafbc1