Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 15:00

General

  • Target
    JaffaCakes118_40c2d13d8ebbd9c83acb0c4a02fe661b.exe
  • Size 33KB
  • Sample250127-sdadkatngx
  • SHA256 e978f34df962d94386dfa24ab780246f77370eaba6da3f2e1ad0e554d9007471
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 11 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 6 IoCs
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c2d13d8ebbd9c83acb0c4a02fe661b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c2d13d8ebbd9c83acb0c4a02fe661b.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Users\Admin\AppData\Local\Temp\240622921.exe
      C:\Users\Admin\AppData\Local\Temp\240622921.exe
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\SysWOW64\sxlntr.exe
        C:\Windows\system32\sxlntr.exe yeuieruieriro
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:5064
    • C:\Users\Admin\AppData\Local\Temp\240623218.exe
      C:\Users\Admin\AppData\Local\Temp\240623218.exe
      2⤵
      • Drops file in Drivers directory
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Users\Admin\AppData\Local\Temp\240624265.exe
        C:\Users\Admin\AppData\Local\Temp\240624265.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4396
        • C:\Windows\SysWOW64\mpcsvc.exe
          "C:\Windows\system32\mpcsvc.exe"
          4⤵
          • Executes dropped EXE
          PID:4788
      • C:\Windows\SysWOW64\mpcsvc.exe
        C:\Windows\system32\mpcsvc.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:4596
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\p6hhr.bat" "C:\Users\Admin\AppData\Local\Temp\240623218.exe""
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1780
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s bensorty03.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4916
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\p2hhr.bat" "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c2d13d8ebbd9c83acb0c4a02fe661b.exe""
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4420

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        240622921.exe

        • Path C:\Users\Admin\AppData\Local\Temp\240622921.exe
        • Size 14KB
        • SHA256 bd3e935ac31b64e2c009274cb416c80f8fd98862efb3b54d288696d36dd75f00
        • MD5 SHA1 SHA512 SSDEEP

        240623218.exe

        • Path C:\Users\Admin\AppData\Local\Temp\240623218.exe
        • Size 24KB
        • SHA256 20d5456266acb5b4c85dbbc8fc74ea4cf632ef89b0336e0bd07ba3f71dc73938
        • MD5 SHA1 SHA512 SSDEEP

        240624265.exe

        • Path C:\Users\Admin\AppData\Local\Temp\240624265.exe
        • Size 19KB
        • SHA256 30989ec734622642ad50757c86e5ef346215122f3a7a7b1bc9d9cfe1510a2196
        • MD5 SHA1 SHA512 SSDEEP

        p2hhr.bat

        • Path C:\Users\Admin\AppData\Local\Temp\p2hhr.bat
        • Size 44B
        • SHA256 e8efa9da7c7006640c2f883bec45cc3013dda102fb4ae74dbd45b676c77820bf
        • MD5 SHA1 SHA512

        p6hhr.bat

        • Path C:\Users\Admin\AppData\Local\Temp\p6hhr.bat
        • Size 44B
        • SHA256 be4a38adde88d522653b423794809d54e9af0abe7decafa0501cd4cc3a073925
        • MD5 SHA1 SHA512

        bensorty03.dll

        • Path C:\Windows\SysWOW64\bensorty03.dll
        • Size 9KB
        • SHA256 7f5185c72477e81a7959ed2a697bba5b9d6ded13687c24ef79dcb8bba776b75f
        • MD5 SHA1 SHA512 SSDEEP

        memory/2288-14-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/2288-6-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/2288-7-0x00000000001D0000-0x00000000001D1000-memory.dmp

        memory/4372-17-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/4372-19-0x00000000001C0000-0x00000000001C1000-memory.dmp

        memory/4372-50-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/4372-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

        memory/4372-33-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/4396-25-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4396-27-0x00000000001C0000-0x00000000001C1000-memory.dmp

        memory/4396-44-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4396-41-0x00000000001C0000-0x00000000001C1000-memory.dmp

        memory/4596-61-0x00000000001C0000-0x00000000001C1000-memory.dmp

        memory/4596-63-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4788-45-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4896-0-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/4896-31-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/4896-59-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/4896-28-0x00000000001C0000-0x00000000001C2000-memory.dmp

        memory/4896-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

        memory/4916-53-0x0000000010000000-0x0000000010008000-memory.dmp

        memory/5064-32-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/5064-29-0x00000000001C0000-0x00000000001C1000-memory.dmp

        memory/5064-12-0x00000000001C0000-0x00000000001C1000-memory.dmp