Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 04:47

General

  • Target

    d3920af80d7d4eabde1d16c7fb0a01f2_JaffaCakes118.exe

  • Size

    140KB

  • MD5

    d3920af80d7d4eabde1d16c7fb0a01f2

  • SHA1

    991bc2fe2c1a0386598ac2354b5df147a00cf6b5

  • SHA256

    c18d10b384f7f7d9f3e6001362aff240af3dd1116eace862835ce3ab635c9ea2

  • SHA512

    6f2c1c7006af1074e673afbe0dbc6db4e2c88e1feb07e72bc5a8dd4bbf183bbc9275d86bf791c1a601acb3951a588179de5ed9815f00648f5f443c48556ff2cd

  • SSDEEP

    768:zdiUSyt4pd04q0zik+vhy7g0EM/LinbQ+Awig:RSeEn3+pCg0EUGQ+7ig

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\d3920af80d7d4eabde1d16c7fb0a01f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d3920af80d7d4eabde1d16c7fb0a01f2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4708
    • C:\Users\Admin\foiozo.exe
      "C:\Users\Admin\foiozo.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:2860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\foiozo.exe

          Filesize

          140KB

          MD5

          64369263fefb087d64a1a9aed3e7cf14

          SHA1

          38e0a05cf73fc31d7113dbd0f1c00db085722e6b

          SHA256

          d12bd6c9eab45ed9a1357fa61ab779e9988aaed8c3ebbf91a063d5268a38235e

          SHA512

          011ff2454f1d2dd4a70c0fbe4ed4c8062670cd9a6e435e665bf27c80d0972507376a1bc79a1a257d706aa974503ba45ab6965a190ec835d4bd40e402a3432458