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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • 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, 09:33

General

  • Target

    89dc99864624f7104a49fd98191d81d0_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    89dc99864624f7104a49fd98191d81d0

  • SHA1

    1ff5cce8adb7fb7185487f54bbf12b362748b78c

  • SHA256

    351e2fdd2dd984720c89b68edc788cfcab19c4d7f5586f2e2faea37b6f672f1c

  • SHA512

    325239a035ec2969003d7b21cf24e3d3701155d3bb1dcbfa0470f0670706d32cec19ba804d5c530c4339f0631e616d86ffc28d7d35e3ce23b442a4d65dcfe0d2

  • SSDEEP

    768:ZDFIOtBRaaq2AOa6TnwVDZ1RO8YSEQJt1H7a8jFk+ZxqfcwV+:TIA57YzDZ16SEQJjZx0cwV+

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 51 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\89dc99864624f7104a49fd98191d81d0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\89dc99864624f7104a49fd98191d81d0_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Users\Admin\piasoi.exe
      "C:\Users\Admin\piasoi.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:4396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\piasoi.exe

    Filesize

    88KB

    MD5

    9ad434dde5554b9d2c3c12e61f6e18df

    SHA1

    7b75d6c3fab59771d996f31313a7deba47b70a2a

    SHA256

    c1414e226ad11e123eb5bde442e74e6a8cae71f40b9470e72e4d2efd8e091c21

    SHA512

    108b4ec9ee3d6225f8cc1f4d3bad1b842ec65f8776cca03dfc73a4ef8f3e4b3bc4d42e60b7a8befad1f65f87c9bbc351305b8f50a449566edbae66628ff89a9e