Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 00:15

General

  • Target
    8fed805314d6e51ef6409809f1c314e3_JaffaCakes118.exe
  • Size 184KB
  • Sample240603-akbabscc6t
  • SHA256 13eac860d3bb97d53486009de6bc210923a23eff32b28b0d2a566dc26aba4e21
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fed805314d6e51ef6409809f1c314e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8fed805314d6e51ef6409809f1c314e3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\delself.bat
      2⤵
        PID:4572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 476
        2⤵
        • Program crash
        PID:3456
    • C:\Users\Default\AppData\Roaming\aspnetX_service.exe
      C:\Users\Default\AppData\Roaming\aspnetX_service.exe
      1⤵
      • Executes dropped EXE
      PID:4880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2312 -ip 2312
      1⤵
        PID:2192

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            delself.bat

            • Path C:\Users\Admin\AppData\Local\Temp\delself.bat
            • Size 256B
            • SHA256 fd382acda68721cef0ca76c33140c1ee51f99f4d5da476d0852b60388a45a3bf
            • MD5 SHA1 SHA512

            aspnetX_service.exe

            • Path C:\Users\Default\AppData\Roaming\aspnetX_service.exe
            • Size 184KB
            • SHA256 13eac860d3bb97d53486009de6bc210923a23eff32b28b0d2a566dc26aba4e21
            • MD5 SHA1 SHA512 SSDEEP

            memory/2312-0-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/2312-2-0x00000000005B0000-0x00000000006B0000-memory.dmp

            memory/2312-3-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/2312-13-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/2312-14-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4880-7-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/4880-11-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/4880-15-0x0000000000400000-0x000000000045B000-memory.dmp