Analysis

  • max time kernel
    94s
  • 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
    13-01-2025 00:51

General

  • Target

    JaffaCakes118_1c931a2ce18b4ad8ff7d4bee835a504c.exe

  • Size

    92KB

  • MD5

    1c931a2ce18b4ad8ff7d4bee835a504c

  • SHA1

    5a4627b7103d23cc3f8266ad09db619d1233a4a3

  • SHA256

    21cb87f4d57b4963aeade3021df60e662b3d7f66e1fa360688b9ec5e666c5115

  • SHA512

    03d37302e2896aa3d9628cd5935242e784922490d3b1cda3a6dc3a0e03f36b6a753470f07164666cd5b63f98174ec3b1eddd766381af0ce2a9538804fdd112e9

  • SSDEEP

    1536:5VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:JnxwgxgfR/DVG7wBpE

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 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 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 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c931a2ce18b4ad8ff7d4bee835a504c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c931a2ce18b4ad8ff7d4bee835a504c.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2112
    • 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:2440
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1352
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 204
            4⤵
            • Program crash
            PID:4220
        • 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:5084
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5084 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4576
        • 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:1172
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1172 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1352 -ip 1352
      1⤵
        PID:4008

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        92KB

        MD5

        1c931a2ce18b4ad8ff7d4bee835a504c

        SHA1

        5a4627b7103d23cc3f8266ad09db619d1233a4a3

        SHA256

        21cb87f4d57b4963aeade3021df60e662b3d7f66e1fa360688b9ec5e666c5115

        SHA512

        03d37302e2896aa3d9628cd5935242e784922490d3b1cda3a6dc3a0e03f36b6a753470f07164666cd5b63f98174ec3b1eddd766381af0ce2a9538804fdd112e9

      • 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

        2fc23bf891a1777ba232b1095e6b038a

        SHA1

        b5c9a56a89a24f297afb0f1e26fd69e65cc957d2

        SHA256

        0eb46aa4412613bc2daf87b7270a3ed5e8c5b74fbdda8f2d83aff3779e384f9b

        SHA512

        e5889ac06ed0ea020176a4e15738254c5662b756fb3502bea4bbd6c580f860e9cb1f151adb46a8343ab553f8d5167d44bb6e58a1d8d095a646878725fd7e46e9

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

        Filesize

        404B

        MD5

        b4808ba689a5699a04495e28f92e0c84

        SHA1

        e21ab4518c3d33bc8206f2726608b0e4e3732a9b

        SHA256

        a1848e3f243e4579707060a68dfb99c1b51ea679b57700ce2fd3afcb2d103f7f

        SHA512

        1321fa9884b718fc06c0ae1a967818f677c99296e4cae2451a982c0a584a2750f62bb8887e4039439ac223a3071c2588a9df5150eb0330115cef051a95b338cc

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7A7E7B98-D148-11EF-B319-7ECF469E42CC}.dat

        Filesize

        5KB

        MD5

        8850ee512dda62b38a18011bee2f1ffd

        SHA1

        2dbecfdbbfa5fd1a7a65314c8c80fe3192df3554

        SHA256

        548c8642ce23f3fc371a89a6654651e70b1b6c14206582b61dec8f32b74904ff

        SHA512

        c5e987779085d128758f64c1139a6bcbf62c9f2c82f4ab293c27fca7d479f0db3a0b235c9bf2c151df15bf34455524937b08f68f15a727e31abcfb1c238eec80

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7A880578-D148-11EF-B319-7ECF469E42CC}.dat

        Filesize

        3KB

        MD5

        7b50fe76effcd0500948e70240c3ee4e

        SHA1

        fa50ecdc71eb7abccd913dd04a10c2401fc20135

        SHA256

        93c15c51e5e2e12f53931215773a9e8e139b4dea431705b543f1384a54fc4fd1

        SHA512

        218ab59c7657082fb47ea46af713c1bbb3ebbf759d20d19943d8a0d61d5e147ccf27bd31804881f67e8922e870f6e14029e16ea6d28c8fa3709d99f9d3e7d306

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3795.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1352-28-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1352-29-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/2112-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2112-6-0x0000000000890000-0x0000000000891000-memory.dmp

        Filesize

        4KB

      • memory/2112-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2112-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2112-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2112-1-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2112-0-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2112-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2112-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2440-33-0x0000000077062000-0x0000000077063000-memory.dmp

        Filesize

        4KB

      • memory/2440-30-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2440-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2440-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2440-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2440-20-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2440-25-0x0000000077062000-0x0000000077063000-memory.dmp

        Filesize

        4KB

      • memory/2440-23-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/2440-32-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2440-31-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB