Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2025 19:58

General

  • Target

    JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe

  • Size

    129KB

  • MD5

    5ad8e4c622325abb9d171f5daad261b6

  • SHA1

    2cf79ab817d5a715d782e2d8035c5e98974b5e44

  • SHA256

    a3bad051d0f58a349de7ebe100ac43451e2b85d28a7681458efe3d9fcf214c01

  • SHA512

    07cb0d08427b5bea713700a5995aa0fa4a6c6834e0878a2138c2713a344a836186adade0d7c33324cf8d73352679977297d0c2fff2ade949ab24314632e38942

  • SSDEEP

    3072:RgDAWPCZabC3YUKRmjlItUj6CU5jwaaHw7Koj4rRLHzGnn:qD+8tUimjlIUja

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • 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 32 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\JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:3908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 204
          3⤵
          • Program crash
          PID:3348
      • 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:60
        • 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:1664
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1664 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1924
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1664 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2636
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:712
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 712 -s 216
            3⤵
            • Program crash
            PID:1168
        • 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:2528
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3860
        • C:\Users\Admin\AppData\Local\Temp\xhmujcxwfamjtgff.exe
          "C:\Users\Admin\AppData\Local\Temp\xhmujcxwfamjtgff.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3908 -ip 3908
        1⤵
          PID:3008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 712 -ip 712
          1⤵
            PID:3800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            471B

            MD5

            735889089a4e16ba45c92c32a4c246c1

            SHA1

            d85e55baa14c4b80205d78c6bbc5b379a4cb1a36

            SHA256

            c27873858e2f658f18d9800271c89047a70518d52fbfdeb8e7cdd7542cdd6bfd

            SHA512

            372bd23c89f7add13d23ace311fb3eaf732d43d3411a9b4e0645e62632200fec306bcd1258b35c7066797357ccdf606af9e294bf85bf9c6a14c70c60f8f45b59

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            404B

            MD5

            6bb58c00df6d56ef2e71dca1010029d6

            SHA1

            84f9f5e1e38c0029d160dcfc0e2facc1c4b25648

            SHA256

            839eb575d460fe3242602a3decffa347d0ad2b2480495e60ebf7e43b0d77e5cf

            SHA512

            6d364a3b6a9a193bc418b0fab6ed5ebc0cc614d05318535ad54b122edf1f8c0fc8eefb5d7d35fa83b11b4f425533aa9eb95ff5d9ddec14aea82f1e7b160d0fd5

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\xhmujcxwfamjtgff.exe

            Filesize

            129KB

            MD5

            5ad8e4c622325abb9d171f5daad261b6

            SHA1

            2cf79ab817d5a715d782e2d8035c5e98974b5e44

            SHA256

            a3bad051d0f58a349de7ebe100ac43451e2b85d28a7681458efe3d9fcf214c01

            SHA512

            07cb0d08427b5bea713700a5995aa0fa4a6c6834e0878a2138c2713a344a836186adade0d7c33324cf8d73352679977297d0c2fff2ade949ab24314632e38942

          • memory/1080-17-0x00000000779C2000-0x00000000779C3000-memory.dmp

            Filesize

            4KB

          • memory/1080-19-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/1080-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1080-4-0x00000000008F0000-0x00000000008F1000-memory.dmp

            Filesize

            4KB

          • memory/1080-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1080-11-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/1080-0-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/1080-14-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/1080-18-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/1080-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1080-20-0x00000000779C2000-0x00000000779C3000-memory.dmp

            Filesize

            4KB

          • memory/1080-5-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/1080-6-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/1080-2-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/2116-35-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/2116-38-0x0000000000400000-0x000000000043A18C-memory.dmp

            Filesize

            232KB

          • memory/2116-39-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3908-9-0x00000000007E0000-0x00000000007E1000-memory.dmp

            Filesize

            4KB

          • memory/3908-8-0x0000000000A00000-0x0000000000A01000-memory.dmp

            Filesize

            4KB