Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 18:41

General

  • Target

    7541ff801c6095e100645aef2da81405_JaffaCakes118.dll

  • Size

    132KB

  • MD5

    7541ff801c6095e100645aef2da81405

  • SHA1

    1d9a5d3a9e5871e010b47a2a1bde4fb0032d2f2c

  • SHA256

    5f514e16ab183cbe73d968a4cbf5e22aa04ba482cab3fb73ea04eed9abbf9f27

  • SHA512

    2faad52ac89c18be03ae6cc6d19f49c5482690c89622f95f2bb9575c2c74053152c9ed5689a40730cfb2baa5933cc7aa33e1b5067d238f9e37e93eef6e0917ff

  • SSDEEP

    3072:to6nwLqrSa4I+VCpy330wN6qb3MAxwgKE:y6uj0wRb37xt

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7541ff801c6095e100645aef2da81405_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5092
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\7541ff801c6095e100645aef2da81405_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:3532
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:2640
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:964
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 204
                6⤵
                • Program crash
                PID:4696
            • 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:4948
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4948 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1388
            • 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:3656
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3656 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 964 -ip 964
      1⤵
        PID:2964

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6AB35B18-4BA2-11EF-B355-F2AA40FE1C9B}.dat

        Filesize

        5KB

        MD5

        7733eb54c1e5aa34e4731dfcc2faa8da

        SHA1

        1a0d4fa1df8bf1ea55e2e72e6cb12bcb2ffca88c

        SHA256

        e82dd531bba773d774adf169107aa10a4e288532a5bb9e29c7c6cc35765d4b36

        SHA512

        d42b69bf1c0fdaf946f2b0de86130db17c61d7318aaf92934196a814db672d347dcd596ed3286c41736b6da3ce4e59e47fc32d91b55b5013f8e2e70f0486648f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6AB5BDB4-4BA2-11EF-B355-F2AA40FE1C9B}.dat

        Filesize

        3KB

        MD5

        71f5abd7446b76d8f4c71d59e426c92f

        SHA1

        8515d028bde20334c364ffbe0174336b6936bf8a

        SHA256

        7a968770d90355129d28cab835b02990fe82bd472a621a2186a6e05de62229e7

        SHA512

        dc076ca00d8c52dde40393e430620e2433411de6b92b7f50f49f4316c8627290fdbcf9a7af8ecc3adaccf0161f2d22c3f505f3861144a5ea226276d8f00033d1

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1AA7.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        96KB

        MD5

        8c51fd9d6daa7b6137634de19a49452c

        SHA1

        db2a11cca434bacad2bf42adeecae38e99cf64f8

        SHA256

        528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

        SHA512

        b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

      • memory/964-37-0x00000000010C0000-0x00000000010C1000-memory.dmp

        Filesize

        4KB

      • memory/964-36-0x00000000010E0000-0x00000000010E1000-memory.dmp

        Filesize

        4KB

      • memory/2412-2-0x00000000015A0000-0x00000000015C4000-memory.dmp

        Filesize

        144KB

      • memory/2412-0-0x00000000015A0000-0x00000000015C4000-memory.dmp

        Filesize

        144KB

      • memory/2640-39-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2640-29-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2640-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2640-34-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

        Filesize

        4KB

      • memory/2640-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2640-33-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/2640-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2640-38-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

        Filesize

        4KB

      • memory/3532-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-8-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/3532-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-7-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3532-10-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/3532-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-18-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-32-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3532-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB