Analysis

  • max time kernel
    103s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2025, 18:48

General

  • Target

    JaffaCakes118_a119a9f657c3bca53e97a8a5bad38230.exe

  • Size

    686KB

  • MD5

    a119a9f657c3bca53e97a8a5bad38230

  • SHA1

    2713c69905f49e3969d6b2d7992d08a132ba75b8

  • SHA256

    058792133276504f7e506c0f4271b640b56472f1b564d4162db7b018c7038d2f

  • SHA512

    1c6e2ec36243a4d6383baf241e811fc80c24dff22fdd64cb53ac39341b48e0cad6ad9637252938e796d51f4304c688e0580dbab052f399aca1a11ef5cdc18713

  • SSDEEP

    12288:FHoZr1rQ/ERfli18M5nsOf5THHTvzTTddwNWkrKkKJm0VSAu/MGu/Cn:WZrpQIflLMhf5THHfTE2kKJm0V

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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.

  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a119a9f657c3bca53e97a8a5bad38230.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a119a9f657c3bca53e97a8a5bad38230.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" /s C:\Users\Admin\AppData\Local\Temp\\extension.reg
      2⤵
      • System Location Discovery: System Language Discovery
      • Runs .reg file with regedit
      PID:6008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 836
      2⤵
      • Program crash
      PID:5696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1068 -ip 1068
    1⤵
      PID:1060

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\extension.reg

      Filesize

      638B

      MD5

      e970bb3e51c7ff12457708585ac7c913

      SHA1

      27e8eee069ee3d6748ea4dbc5b9c142c5709a710

      SHA256

      d26e96cc342c3a0ff708f581f53b9d1eb7b69bab503dbbb64de2b17b9e680703

      SHA512

      050ee92cf526659160f743e0dfb593185c6c363073078c5caa3051d4c6b853ec12cf57eb24a2015b39e7f3f41b013aaec63d6908ed518ea5c1bdc5e9fe1265f6

    • C:\Users\Admin\AppData\Local\Temp\extension.xpi

      Filesize

      201KB

      MD5

      ac72628aab75399cfc8b222fb6c7edef

      SHA1

      4dd26195e19de564d886ada602622b2fe2da1ea6

      SHA256

      6ff457c4f1e62d100a3d9e3b121741dba991d8fcf2cac248756220e0adffacbc

      SHA512

      d4b6cbd6d1fc1263f43b48dcf5a84319003f5dacc5f77ec16014baca6140405369fd574364534e3ba34c612bb5d3632d77fdb73fd003d7f8c28d5c231053bad0