Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 15:44

General

  • Target

    JaffaCakes118_7a809678cdc4654d2a0a6282fd360b74.dll

  • Size

    456KB

  • MD5

    7a809678cdc4654d2a0a6282fd360b74

  • SHA1

    af78c723d16d2ba9704001ebeda69c8fcc5adc16

  • SHA256

    423742fe0d3213ccf26fab9ab45d81813ead35d052604dff168243f75a05a895

  • SHA512

    842613ad5b1352444caec28c277b8ef5e551e70a1df0a06f4db36f962fde8832046bff7c6d4663fce842995ba6866b4e7794f7937c8007cc7e5c49d363f9e9a8

  • SSDEEP

    12288:eV7LMzw56Wx1Dk/qon6xyYhgPFaUVltyNVb0L:41oC3yWgPFIbo

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 14 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 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a809678cdc4654d2a0a6282fd360b74.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a809678cdc4654d2a0a6282fd360b74.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.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:3880
        • 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:1040
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1848
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 212
                6⤵
                • Program crash
                PID:2100
            • 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:4240
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4240 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4804
            • 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:3536
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3536 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1848 -ip 1848
      1⤵
        PID:4552

      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

        a242c16707ddb2e8d8cdc25c90105a56

        SHA1

        9b89a87ca70fd62da5d616640802babc7edf8f6e

        SHA256

        cc4f0c341edb160871fc365d7d6c69d4ad8aba356a3ed1c4b7edbe938a318d73

        SHA512

        40664796a563b766485552f7f4c5084c185ada5bc25556d155041443ad6257a396692fcb667d0ab69e3f666aa2940d7f28e39eaded9762240a24ed40d7ec0291

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

        Filesize

        404B

        MD5

        e436715ab38d3ad9965317e103ce6bec

        SHA1

        b887a3e51f1f8696e9a2d49e36532afb17bc4721

        SHA256

        3e3e30e9ab49acf18a609efa0fb8b71229acbde9979d2c665ce7bbed876440ef

        SHA512

        ec1347bf022c0eb3b02829b6fe7fada80ba78c765366ee669b8ac02e9e0d974153364f1d9d330e4384b3ca1160b81d09ac6e03859d4822cff9b963bff6ca5a34

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D3B288BB-CAB2-11EF-AEE2-EE8B2F3CE00B}.dat

        Filesize

        3KB

        MD5

        819d256106f21188c3b8dab2b21884c7

        SHA1

        46e7dcd0f039f62585b69ef736286dd2ef4de9cf

        SHA256

        34e44acf8ce11dd5d624755bdbc5fc959bea7e629899a12569a2a21ab0b0e645

        SHA512

        ff03ab16660743cbdcc13cbc0a14428d8ee980b316a040357ae0285f87c8d638b0ed8ed6aa92065bf276141f19901d41c0ca773a915525d21831f8b33e99a3c3

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D3B4EB20-CAB2-11EF-AEE2-EE8B2F3CE00B}.dat

        Filesize

        5KB

        MD5

        819240e7dd9db8d8061bc46c62eb9672

        SHA1

        22d725f7394260c4e5dc7c88757f1ab1f9633fce

        SHA256

        71cc62924f038c8821df4ce83d8dff5fc7a747cece1eeea517f22b6709542975

        SHA512

        391d33faa91089cea6f295884be638cb0f25bc47848d5ffa5111c04b7b96aae1bca3de00c2de3bf3e89d4dc922569f0cf5913d48e0f09e08a21bf4ffeb23d4ae

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2EBC.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • 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\rundll32mgr.exe

        Filesize

        60KB

        MD5

        cd963c64ad0bea4ca85a4819f6eefed1

        SHA1

        d9cd6316cf3c6ce5ceec9694c2debc7b7981775f

        SHA256

        33c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906

        SHA512

        f7cd12c57eff3acf7c89b0e7b55dfa81623618a65d6c49b490c199cfe63ae9e858f2681c8ef1425d1e4b25f7b0bbd6d4a9d9788956c23f52fece3d5d79b5907e

      • memory/1040-37-0x0000000077862000-0x0000000077863000-memory.dmp

        Filesize

        4KB

      • memory/1040-36-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1040-44-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1040-22-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1040-21-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1040-30-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/1040-31-0x0000000077862000-0x0000000077863000-memory.dmp

        Filesize

        4KB

      • memory/1040-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1040-32-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1040-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1040-40-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1040-39-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/1040-38-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1744-0-0x0000000010000000-0x00000000100A5000-memory.dmp

        Filesize

        660KB

      • memory/1848-34-0x0000000000A90000-0x0000000000A91000-memory.dmp

        Filesize

        4KB

      • memory/1848-35-0x00000000007F0000-0x00000000007F1000-memory.dmp

        Filesize

        4KB

      • memory/3880-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3880-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3880-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3880-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3880-10-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/3880-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3880-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3880-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB