Analysis

  • max time kernel
    95s
  • max time network
    144s
  • 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 20:53

General

  • Target

    JaffaCakes118_4396db7a1d3c41b0333e487f0fa11868.dll

  • Size

    147KB

  • MD5

    4396db7a1d3c41b0333e487f0fa11868

  • SHA1

    af5aa0eb1b8351c519e8ef0b203ebd7c560fff50

  • SHA256

    6c7ca6f35472bbe6ce9dd03fcb3c70155f2eb1c92d88d8c1f5dacb8b31daa00b

  • SHA512

    12fbead1a66174feabb72a689168e28559f7155fe942cffc28011ea97769c15ed566a8fc7bf900a91919cc1fb0a3edef66dc1331b72ceff963d2e3fd0d97925d

  • SSDEEP

    3072:5ODZGx4N+MIcFbeC8qP1bEtYn1TjeGna3wCkqFDHYvSiAoX4:Egx4NnVbGqPqKFqSvSiW

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 13 IoCs

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

  • 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 45 IoCs
  • Modifies registry class 6 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\JaffaCakes118_4396db7a1d3c41b0333e487f0fa11868.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4396db7a1d3c41b0333e487f0fa11868.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:336
      • 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:2740
        • 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:3148
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3480
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 204
                6⤵
                • Program crash
                PID:2144
            • 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:4848
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4848 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3888
            • 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:972
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:972 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3480 -ip 3480
      1⤵
        PID:3312

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        471B

        MD5

        65ff4e1a660b03c192195dc09416d8a8

        SHA1

        c8e9c1b5d0e74e2f581eaa06d77db42ddb2b24b9

        SHA256

        25f890730498e80c6b85f0ca869917f45af6cadbb427695a615181eac3285dc2

        SHA512

        3efa3c79d74861659b4e6e97b362fb4943eeae2e81425029bbf407fb2c4c914bc2d2b43bc8164e9ed050cdb24f411a8582e086eb3557227ad79ec2256c5a52ba

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

        Filesize

        404B

        MD5

        32d502afad9e920b3154e9d53cbef600

        SHA1

        8e735423af45f360631cfe53773fc25b971537d7

        SHA256

        9647f60535690af422f466dfa4f9bbbb706dd16b720d662855ef9dd25ccd1f9b

        SHA512

        bcc5b957022e72f431761325c8ac2decaea6ee321869ed9086c5c7437f5e7f73944d1e9e187a0538057bf812488d751464edb3fa16bf7bdb040c4d64675edb2d

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

        Filesize

        404B

        MD5

        272922195e85660f71acb58717c5575e

        SHA1

        aee4afea31c48d3e34fc95706394b693a5530493

        SHA256

        52cfd1b2e3198766f2d219b19c173bda06dbf5e86b85959a6222152b3821b7ad

        SHA512

        f14da79491e076dddc1d3d08de25fea230a3841345ff2c65b93b59b46537e22d25d1c28812e02c6701e37b2bbad4b459baee64edf269a1c7a0b6737f831db680

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CE7537B7-DCF0-11EF-AEE2-4E8E92B54298}.dat

        Filesize

        5KB

        MD5

        fa224e464abae2e9c42d88ee16a6f5f8

        SHA1

        390c0e59430aa2ebf78b2b2fe97583b9d629b8d4

        SHA256

        bb50e5799aa72671ff76cfcbc5a8d9a5ab31543ddf7d89285620b616e46b5d8c

        SHA512

        13700e5fedfe091ce1ed6fde298ade18cff9d34d9d09a6f647996e7733b5947260671c5c00e43a6c7a98e609a0df9b36fe8befe40735c2e3a348e7df2aeb5201

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CE779A34-DCF0-11EF-AEE2-4E8E92B54298}.dat

        Filesize

        3KB

        MD5

        1f8f66d80e65366829ae48fdb575fdf6

        SHA1

        f24fac88b0bd75a6f5575c5745faf3b69e8571de

        SHA256

        f6a25aac74bfc7cf0ddc12f2997f33f49d0f2e303aa79a1202b0b5f869a38226

        SHA512

        f1283f7bd551965ae98c3732e756143ef5eb9652e34a838d64443744adf6d7b2513b2f1385a9c523efac93c0ba92eb3b20b467fb99ee7291911d63d11c41bc4d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        59KB

        MD5

        0e0f0ae845d89c22bb6385f64a6b85fd

        SHA1

        0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

        SHA256

        5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

        SHA512

        baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

      • memory/336-0-0x000000006CDF0000-0x000000006CE19000-memory.dmp

        Filesize

        164KB

      • memory/2740-18-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-29-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2740-21-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-14-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/2740-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-20-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-23-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-19-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/2740-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-13-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3148-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3148-45-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3148-47-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3148-46-0x0000000077D22000-0x0000000077D23000-memory.dmp

        Filesize

        4KB

      • memory/3148-50-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3148-42-0x0000000077D22000-0x0000000077D23000-memory.dmp

        Filesize

        4KB

      • memory/3148-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3148-40-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/3148-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3480-43-0x0000000001040000-0x0000000001041000-memory.dmp

        Filesize

        4KB

      • memory/3480-44-0x0000000001020000-0x0000000001021000-memory.dmp

        Filesize

        4KB