Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 03:54

General

  • Target

    10a326b5129bb5555c17bcf24be84ed2_JaffaCakes118.dll

  • Size

    220KB

  • MD5

    10a326b5129bb5555c17bcf24be84ed2

  • SHA1

    bc9936d0271fde73718e35b9047116b112491c56

  • SHA256

    3a63d9c2f444d5e1676d113e1f4990dbb16065ea5eef628db756038040c2ac3a

  • SHA512

    4763eafbed3aab6de1b3155a3046e811342dc8dec0be7681379f382ce195bdab9cb34173e2350079d82ca1c252b4acfb6a22d611da55ebf5b06d2f45207237e6

  • SSDEEP

    3072:dgU1b4jxZTxLFgXr3LjJqo0Ktde/3Jvmc/BsCpCc9v/rRgoF3mwzi8EPELGNMe:Z4xhor79ts/3Jvmcqi9Leo5mRJELkR

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 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 38 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 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a326b5129bb5555c17bcf24be84ed2_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10a326b5129bb5555c17bcf24be84ed2_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Checks SCSI registry key(s)
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:2268
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 204
              5⤵
              • Program crash
              PID:452
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3552
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3152
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3152 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3140
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3152 CREDAT:17416 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1720
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:2676
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 212
                5⤵
                • Program crash
                PID:3208
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4632
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:4948
            • C:\Users\Admin\AppData\Local\Temp\unrmeyrklplnbvym.exe
              "C:\Users\Admin\AppData\Local\Temp\unrmeyrklplnbvym.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:4176
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2268 -ip 2268
        1⤵
          PID:1440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2676 -ip 2676
          1⤵
            PID:4416

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD8EB.tmp

            Filesize

            15KB

            MD5

            1a545d0052b581fbb2ab4c52133846bc

            SHA1

            62f3266a9b9925cd6d98658b92adec673cbe3dd3

            SHA256

            557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

            SHA512

            bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0K2PF59Z\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Windows\SysWOW64\rundll32mgr.exe

            Filesize

            114KB

            MD5

            1093158a93efd6a813e57ce647b81735

            SHA1

            823a9d673b9083c3ddaedc69fb0583f97991457f

            SHA256

            94646d45925b4cd6928646605f6c54e04f84136dc25f3f0914a53161f5a57ee1

            SHA512

            f4d71ab354ce9ca4c2ab20633525f9be715ca8de1194e652c692415643cb609651c2e3a8edd4d3d5a28f4ca8c732eb9ff598c7e929f2deb46fa1b2509150d064

          • memory/2268-13-0x0000000000E90000-0x0000000000E91000-memory.dmp

            Filesize

            4KB

          • memory/2268-12-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

            Filesize

            4KB

          • memory/2560-0-0x0000000010000000-0x0000000010039000-memory.dmp

            Filesize

            228KB

          • memory/2580-7-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/2580-22-0x00000000778B2000-0x00000000778B3000-memory.dmp

            Filesize

            4KB

          • memory/2580-11-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/2580-15-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/2580-17-0x0000000020010000-0x0000000020023000-memory.dmp

            Filesize

            76KB

          • memory/2580-19-0x00000000778B2000-0x00000000778B3000-memory.dmp

            Filesize

            4KB

          • memory/2580-18-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/2580-6-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/2580-21-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/2580-9-0x0000000002060000-0x0000000002061000-memory.dmp

            Filesize

            4KB

          • memory/2580-4-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/2580-46-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4176-44-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4176-39-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/4176-43-0x0000000000400000-0x0000000000438BF8-memory.dmp

            Filesize

            226KB

          • memory/4176-38-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB