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Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 07:08

General

  • Target

    ead1a0cdb38eeda7185764b7a898ea90_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    ead1a0cdb38eeda7185764b7a898ea90

  • SHA1

    b9e49d26d1859d97462e7d840c779213a8d3f4cb

  • SHA256

    2bc4db8690fd9cee2f4a97bb4383c0c0b87be6a82a2bfe2d83d712149a66985b

  • SHA512

    9caccb1a0f8689b8b352573d9b4a99d005b9e696f9e7e4a5adc450c7e280152d2b42806e6541b4d9b0b1a50b7c268f637557f1d6863c87b160521b83cafce2b7

  • SSDEEP

    6144:5iJ2crH9MSmzaVZz8rRoo681RV+b3Fa81wkrX++98WSAelGo8hcwTLGhO:5ixrdnmzthTQTgpkrOo5

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ead1a0cdb38eeda7185764b7a898ea90_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ead1a0cdb38eeda7185764b7a898ea90_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\meesed.exe
      "C:\Users\Admin\meesed.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:4488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\meesed.exe

    Filesize

    248KB

    MD5

    c6833da4b3105648b685c2ea8c495c96

    SHA1

    11ef3610187b2635c9e116a4d39c14699ccd5a47

    SHA256

    615a61afbb56859f6b9543cae386c3204843cababf67f8cc9ae0607cbcfe1f15

    SHA512

    88d69983e4db7e7a86287a17e538ba9060cba869a765fa68e64c4aedd129c50fe00c9871e05b5c1513634754922d91a69181d634ea2da589977ab33e48792aab