Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 06:56

General

  • Target

    7747617f29e665791ac102263e6d2cd4_JaffaCakes118.exe

  • Size

    232KB

  • MD5

    7747617f29e665791ac102263e6d2cd4

  • SHA1

    f5752dbd732cb84a4439a3b8a0e569a79b1c45fb

  • SHA256

    7474e08e4ad07da4c58554c4a89532ba02ac7956363effa13280c5d177e2874f

  • SHA512

    ee8a42d95bf067135c4abd2cde95e62d2538985183ee7af6e5c9cd2776c53e4bb99eb4ac90088f42d53b8e7528ba4d949b1f8609bde0957214c63c5596f84e10

  • SSDEEP

    6144:4M3PFKs78g2KyEOaWEqxF6snji81RUinKdNO0:bPh+mF

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 27 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\7747617f29e665791ac102263e6d2cd4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7747617f29e665791ac102263e6d2cd4_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:1464
    • C:\Users\Admin\doocuex.exe
      "C:\Users\Admin\doocuex.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:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\doocuex.exe

    Filesize

    232KB

    MD5

    e35cb21d9ffae8ea9a6783bd6bac31e7

    SHA1

    93e2ff67f5050affd4cb5533acff90f954f9b6ae

    SHA256

    52ca7989d4931c9a139f2a15105ba7993312c42d854c7821973fc1c342d7ed92

    SHA512

    ebf53d8107b5635692054fc56148f81083ebe4d2bf7b800320a9fa7c2ce42253e1c5180b006a7d63b0a2d2ca8b410d8d807a86722a76c0196ba562802fbc571d