Analysis

  • max time kernel
    95s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 15:44

General

  • Target
    13f735d68f90da0698413b3157c4428d_JaffaCakes118.exe
  • Size 1.2MB
  • Sample241004-s6rtbawgrg
  • SHA256 d8be370a81a4b4c726bdf1eb619ebce7b596d07415c77ab154cadeb7cffde1e6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 36 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13f735d68f90da0698413b3157c4428d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\13f735d68f90da0698413b3157c4428d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 208
          3⤵
          • Program crash
          PID:3560
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4968
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4856
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4856 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1056
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4856 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3292
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:5104
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 204
            3⤵
            • Program crash
            PID:2328
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3264
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3960
        • C:\Users\Admin\AppData\Local\Temp\xrxkiqyfuhruoxwn.exe
          "C:\Users\Admin\AppData\Local\Temp\xrxkiqyfuhruoxwn.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1168 -ip 1168
        1⤵
          PID:4852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5104 -ip 5104
          1⤵
            PID:4672

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                • Size 471B
                • SHA256 1ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8
                • MD5 SHA1 SHA512

                7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                • Size 404B
                • SHA256 a62c32a8267f7d9f910dfc010ebd83ac0439bb7a373735544ea8cc79ef57b633
                • MD5 SHA1 SHA512

                suggestions[1].en-US

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\T1CTRFUW\suggestions[1].en-US
                • Size 17KB
                • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                • MD5 SHA1 SHA512 SSDEEP

                xrxkiqyfuhruoxwn.exe

                • Path C:\Users\Admin\AppData\Local\Temp\xrxkiqyfuhruoxwn.exe
                • Size 1.2MB
                • SHA256 d8be370a81a4b4c726bdf1eb619ebce7b596d07415c77ab154cadeb7cffde1e6
                • MD5 SHA1 SHA512 SSDEEP

                memory/424-6-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/424-19-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/424-1-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/424-38-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/424-10-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/424-11-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/424-17-0x00000000773B2000-0x00000000773B3000-memory.dmp

                memory/424-13-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/424-18-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/424-0-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/424-20-0x00000000773B2000-0x00000000773B3000-memory.dmp

                memory/424-4-0x00000000021A0000-0x00000000021A1000-memory.dmp

                memory/424-5-0x00000000021B0000-0x00000000021B1000-memory.dmp

                memory/424-2-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/1168-8-0x00000000004B0000-0x00000000004B1000-memory.dmp

                memory/1168-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

                memory/2220-39-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/2220-44-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/2220-43-0x0000000000400000-0x000000000043A18C-memory.dmp