Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 06:38

General

  • Target

    895ec160eb314e699b3765c4ac648ea2_JaffaCakes118.exe

  • Size

    144KB

  • MD5

    895ec160eb314e699b3765c4ac648ea2

  • SHA1

    c0e539d6b7b741dfb7ebba6fc67ecf061f6f02ab

  • SHA256

    718704d17eb38a9c6fbb66ba4e2de7f57c929b70c2d8f234f99f19c9525fea72

  • SHA512

    4770979f2fa9fda4f4df5358592e475fa0a85b844cf10a7b07bc48dd8d862a8ff1c365979a589f37b654084c9bafd1ce54341d0195c53b1297fd748a5e9ff498

  • SSDEEP

    1536:8tljxu0nE0ggGDHjDTYpK3XZxkIh1mF+0da1f6ymqneF05brgEFrsUhKeT4oQB4T:8tLnhg/zLKM0AGMeF05XgE5j4oQyF

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 53 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\895ec160eb314e699b3765c4ac648ea2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\895ec160eb314e699b3765c4ac648ea2_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:4532
    • C:\Users\Admin\puuju.exe
      "C:\Users\Admin\puuju.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:692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\puuju.exe

    Filesize

    144KB

    MD5

    198d69e9c3e5556e2735bf06b876d2c5

    SHA1

    596e346fc1e43774d8bb0101f092193727560bf6

    SHA256

    933e5374917dcc35a9424e4a580e79a8c8d30d2af122511cb96c5f23874f3403

    SHA512

    e0b5440c5938af9a28872253066d222a22bb80adcf5f60cafa38dd6bf1b6a0a17adcf6802a55c054ab21583e6dab79d6a4272d2576cd9b12a795978e1548298b