Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2024, 23:15

General

  • Target
    127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe
  • Size 59KB
  • Sample240328-28v37aca27
  • SHA256 41df4ef1e17c546e810fe805f005b14486a889791c038ec335719a4d84aa9029
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • urelas

C2
  • 218.54.47.76

  • 218.54.47.77

  • 218.54.47.74

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2820
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      PID:2588

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        golfinfo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
        • Size 512B
        • SHA256 a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
        • MD5 SHA1 SHA512

        sanfdr.bat

        • Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
        • Size 302B
        • SHA256 a7006c4df73d71170aa224b24133d8d60c3160ed93626b52d23026c98e8efd04
        • MD5 SHA1 SHA512

        biudfw.exe

        • Path \Users\Admin\AppData\Local\Temp\biudfw.exe
        • Size 59KB
        • SHA256 08c2373646c7cac5ab566b19df3608a7f2aa9d73287a1007dfe093404ed25a95
        • MD5 SHA1 SHA512 SSDEEP

        memory/2820-18-0x0000000001050000-0x0000000001085000-memory.dmp

        memory/2820-21-0x0000000001050000-0x0000000001085000-memory.dmp

        memory/2820-23-0x0000000001050000-0x0000000001085000-memory.dmp

        memory/2820-29-0x0000000001050000-0x0000000001085000-memory.dmp

        memory/2944-0-0x0000000000380000-0x00000000003B5000-memory.dmp

        memory/2944-9-0x0000000001E50000-0x0000000001E85000-memory.dmp

        memory/2944-17-0x0000000000380000-0x00000000003B5000-memory.dmp