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Analysis

  • max time kernel
    116s
  • 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
    12/01/2025, 22:29

General

  • Target

    JaffaCakes118_19dccf4b8f4c1fb743f3d5d09edcb90d.exe

  • Size

    120KB

  • MD5

    19dccf4b8f4c1fb743f3d5d09edcb90d

  • SHA1

    6f4b43fa085ebe9508bfa292a671db57df264a18

  • SHA256

    2c31cf175fcd8445a864d50e190152742926ab56f092b22a6b2765092bacd769

  • SHA512

    a1714b73ac704b2725a0dd8136ece7a2b559bb4a8aa658a2d93d4578f8f76e77b270f2c55629fd3c5bd58ce331ecd0b08c04e565b298621c197adc0c18ae2839

  • SSDEEP

    1536:zVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEIruqN1aQCVwSaLsFm:rnxwgxgfR/DVG7wBpEIrzN1RC9a

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 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 4 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 50 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19dccf4b8f4c1fb743f3d5d09edcb90d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19dccf4b8f4c1fb743f3d5d09edcb90d.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • 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:3316
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4640
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 208
            4⤵
            • Program crash
            PID:2640
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2376
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2376 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3708
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2912
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2912 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4640 -ip 4640
      1⤵
        PID:3068

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        120KB

        MD5

        19dccf4b8f4c1fb743f3d5d09edcb90d

        SHA1

        6f4b43fa085ebe9508bfa292a671db57df264a18

        SHA256

        2c31cf175fcd8445a864d50e190152742926ab56f092b22a6b2765092bacd769

        SHA512

        a1714b73ac704b2725a0dd8136ece7a2b559bb4a8aa658a2d93d4578f8f76e77b270f2c55629fd3c5bd58ce331ecd0b08c04e565b298621c197adc0c18ae2839

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

        Filesize

        471B

        MD5

        975df3dbca02c4223ad98b4405ec0cd8

        SHA1

        62c3b5b2d32df9cedede3d746956a999d34beff1

        SHA256

        87d1e303201f45a5b0080b4580575bb564446751cafe9da1e8ce11a9c6a842fd

        SHA512

        1277f93b24c89c39cee767c05e3e450da71aa5bade2fcc2559ef39c3b747c3db491488e63e8d21911e668885308d717fb7d47e2b3a70ff24b0a7250b5f671417

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

        Filesize

        404B

        MD5

        cb3672cbe8879b7988ef5d3f02f24072

        SHA1

        691d58e4b6fc19439a348e09996e01785f0ba242

        SHA256

        8ae00a216ce38831c6a3f6b79bf2e3625239d517d95ecf8226a04a875e99d723

        SHA512

        0c935486a6f2f1d27c5b20f5abc738133af24675bb98cec2b3c02e439d6739ca21c69f4ae5ff96cee56542795f8f89d4570781e79375e820790010f795caacc5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A60C645C-D134-11EF-BEF1-468C69F2ED48}.dat

        Filesize

        3KB

        MD5

        65ffcded55ef5f4f7b76858013853883

        SHA1

        da5669b7b69d0984b88989fc2dfe0ab5ae095ae0

        SHA256

        3516fef22e5bad5963fd1a87f07f3b60f854992dc9b9b68aa2e963fb636a5500

        SHA512

        cab72e9c718149e5290fa0988fa8d66c1514d21350451c6bcbdd0fd8d263f6b8d04bb15383f9380d3960fd0749e714ec4d893aba6342df7ce76c85abec67b1a4

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A60EC6D8-D134-11EF-BEF1-468C69F2ED48}.dat

        Filesize

        5KB

        MD5

        69438e7c2c032401135a2ceb89dccd06

        SHA1

        958de01aa478a2eb7afd1d57cf679cb528ecbd16

        SHA256

        b31688995405fc4444845ad8d4f794b188a105959f5bcd374c6dd05450830b90

        SHA512

        7c66e0cff7836a7dbed3f6e044e5e1c449394428c9deb162372a2b4f7be41132a706fc65e6a2c41f2ec099ee053037af6d77f2f96fd057061fd602da3b7710de

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1C8C.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • memory/2364-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-7-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2364-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2364-2-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2364-0-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2364-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/3316-30-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3316-36-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/3316-25-0x0000000000A20000-0x0000000000A21000-memory.dmp

        Filesize

        4KB

      • memory/3316-23-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/3316-35-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3316-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3316-38-0x0000000077C92000-0x0000000077C93000-memory.dmp

        Filesize

        4KB

      • memory/3316-32-0x0000000020010000-0x0000000020022000-memory.dmp

        Filesize

        72KB

      • memory/3316-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3316-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3316-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3316-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3316-31-0x0000000077C92000-0x0000000077C93000-memory.dmp

        Filesize

        4KB

      • memory/4640-33-0x00000000005A0000-0x00000000005A1000-memory.dmp

        Filesize

        4KB

      • memory/4640-34-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB