Analysis

  • max time kernel
    103s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2025, 18:18

General

  • Target

    JaffaCakes118_1c78f908e57ab1d63cdc7fe27492b8ed.dll

  • Size

    64KB

  • MD5

    1c78f908e57ab1d63cdc7fe27492b8ed

  • SHA1

    9b63dd3bc67b70261714f0640fdbf6cde138e342

  • SHA256

    00791376d4259d07e79f07548bf36aa1ff65f58105d867baad38ad07db6299a3

  • SHA512

    336391fb7bc9678b8410781b86a1c27b9b1d9b5b7e931ed9ccd393ab1acf72a1cc28dee710cd3d20f46793082c97923286cca9814befc8651e0bc7c2cec8716d

  • SSDEEP

    1536:7XUUzYFrLtgJIU6cOb8Qa7TA0fi8qWNRFI/4OBrn4M4tGN7c:XuG3qbMt6yFjOB0M4G4

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c78f908e57ab1d63cdc7fe27492b8ed.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c78f908e57ab1d63cdc7fe27492b8ed.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 896
        3⤵
        • Program crash
        PID:1492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1948 -ip 1948
    1⤵
      PID:5884

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads