Analysis

  • max time kernel
    93s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 02:18

General

  • Target

    f9b7187292154345167b042c50421b71_JaffaCakes118.dll

  • Size

    240KB

  • MD5

    f9b7187292154345167b042c50421b71

  • SHA1

    1d154421fdf341ef5390c160f838252b3bd00fa7

  • SHA256

    7e616f2b9f07135ad0324568a351e31e6e473095c2bbe245dbf01e416c6280cb

  • SHA512

    e14c0dc9288abd2c47a2ea32b0ba5bc836378f9d3721e7dd23c4e1a66baa370871c03a10a1f144c728543de65047f6ba8d00185b85ea6272bcca558341d0d6b1

  • SSDEEP

    3072:dNzt20uHs4Lhun3AZi3SnTyS72V7jzzCqHwJHoc8WqR08m1osj81MOaDv8tdUJn7:/zFn4ut3Oy+2xjXfI8wXD8MDvfqlS

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 12 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 55 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\f9b7187292154345167b042c50421b71_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\f9b7187292154345167b042c50421b71_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:668
      • 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:3296
        • 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:3208
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1008
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 208
                6⤵
                • Program crash
                PID:3624
            • 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:2192
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2192 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1392
            • 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:3368
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3368 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1008 -ip 1008
      1⤵
        PID:1576

      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

        641fd00a680e2a2b7c46da9f49d4ac01

        SHA1

        91342c03f46164a5ffba758b6201387912e09026

        SHA256

        69b70d73aed768e709b4e26268d4bfbb349d3ed2d7fc7bba042a347b29f1062d

        SHA512

        004e47e9e0623bf782ad71418257088902bec47d213027287c46393d7a413d69a69fd213df1781d3c49ddde689943d5c5f3ff844fb9cc81c7eeaf331b8a4344f

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

        Filesize

        404B

        MD5

        44ca430a71b8c44598e54fd45dc0d39b

        SHA1

        10c53e05cd025d5767578c308bf7569261642c96

        SHA256

        093ef889406b5195ed9ae5526a2c5c2123eccc82d7ac7d61e03ef828739b00d2

        SHA512

        c58ecb286966d1e5e7cf0d15224450d994c62d04219a6644bee688c452c55b9427b40969511e76a601e67ca8a36109f955c7a580a74b6919be1f299785ba98a9

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6CD29549-BCE6-11EF-BEF1-CE95CE932DF6}.dat

        Filesize

        5KB

        MD5

        369f8119fb41867960be43822bfaca18

        SHA1

        2a1d98d0d614983b6acfc27624136cc14e0c4298

        SHA256

        96673775a62f65ffb4390e134a963f47dc4a1a833d8dc9586e2cdf3ed7622219

        SHA512

        357a93bc8f7a695bb4dc1465af02e95461426244ef5ae5076dcc6c268ddcba1437605091f641c6620a67dec95c4522a42abab86e9bfffde9ae2985d4908a0099

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6CD4F769-BCE6-11EF-BEF1-CE95CE932DF6}.dat

        Filesize

        4KB

        MD5

        030fb8f250274640f54a26de454c77b0

        SHA1

        85fe886af11a3117cde3c54ed76ecce6d7cf0033

        SHA256

        bf335e6a26f146587110925c5e481b2db4b6caf4491fb6eee8ca68089da7ce66

        SHA512

        bd133028cc08907c685b20d327205ca2b30ce98ea257d0cfd07d31a0b01edfcc517af3e80d440cf40fdf3fe9bda6e01c74d14f7976f164eb768ffe1d751da834

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE232.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • 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:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        59KB

        MD5

        aea1462e5f1f31dd74df7833b5a07305

        SHA1

        cea53b9b3311f1003df5d9266f9e3fbd5c971f28

        SHA256

        62c957db467d22cf12af74a4dae478e7d239ecae5d53f3c6399583f38f5224af

        SHA512

        776eeffb068df67e852191f5ec869df6e4cb6c4f14dbe8748cf6b3f9aad2f3b09baa7c61285cb5a5f1253b5bd9525470a25ca77fbe2d26ed02ae7d955142970e

      • memory/668-0-0x0000000010000000-0x000000001003E000-memory.dmp

        Filesize

        248KB

      • memory/1008-34-0x0000000000E10000-0x0000000000E11000-memory.dmp

        Filesize

        4KB

      • memory/1008-35-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

        Filesize

        4KB

      • memory/3208-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3208-36-0x0000000000170000-0x0000000000171000-memory.dmp

        Filesize

        4KB

      • memory/3208-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3208-26-0x00000000006B0000-0x00000000006B1000-memory.dmp

        Filesize

        4KB

      • memory/3208-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3208-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3208-31-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3208-32-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

        Filesize

        4KB

      • memory/3208-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3208-37-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

        Filesize

        4KB

      • memory/3296-19-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-20-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3296-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3296-5-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB