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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 00:30

General

  • Target

    JaffaCakes118_40cbdbfc0a84ae4d01c65dbb3c0cb540.exe

  • Size

    121KB

  • MD5

    40cbdbfc0a84ae4d01c65dbb3c0cb540

  • SHA1

    3f956277169858741c8404e56fdbaa6e721887de

  • SHA256

    41d31d40c2d0fe5a7e00460144cf7b3457b870c60a485dade9057d99211824d3

  • SHA512

    b4fbf352347002be2efdf5e8b04146c1490e09eb7af21cc5bafd23e46a60f0c4d700b6ab5cfc237b8b74fd40d2f9d121695e30325f261c4573bc5bfdc47724bd

  • SSDEEP

    3072:rR2xn3k0CdM1vabyzJYWql6xfa+atPmJuUH:rR2J0LS6Vl649IH

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 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 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 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40cbdbfc0a84ae4d01c65dbb3c0cb540.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40cbdbfc0a84ae4d01c65dbb3c0cb540.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:776
    • 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:596
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2680
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 204
            4⤵
            • Program crash
            PID:4512
        • 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:3708
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3708 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:5008
        • 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:3588
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3588 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2680 -ip 2680
      1⤵
        PID:1348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        121KB

        MD5

        40cbdbfc0a84ae4d01c65dbb3c0cb540

        SHA1

        3f956277169858741c8404e56fdbaa6e721887de

        SHA256

        41d31d40c2d0fe5a7e00460144cf7b3457b870c60a485dade9057d99211824d3

        SHA512

        b4fbf352347002be2efdf5e8b04146c1490e09eb7af21cc5bafd23e46a60f0c4d700b6ab5cfc237b8b74fd40d2f9d121695e30325f261c4573bc5bfdc47724bd

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

        Filesize

        471B

        MD5

        febff5e5b64433316ee5f116c5c14309

        SHA1

        55a533777edeed0d18304f073d59d5ca1e5c7737

        SHA256

        888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

        SHA512

        cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

        Filesize

        404B

        MD5

        80dbc4a8f8830a217ebc13f572d56f42

        SHA1

        3edfca1467c34d82561239cf9c8c70703b234910

        SHA256

        7c4319d17d1a210037a237fbc85e646f6e585daf0e37b13f286d037a6c9e952f

        SHA512

        b8d9a439477b621bbead53588f12f8b4d53929dc75b9a15626b9e4e5a760b692d53dae814351705a448cdaf420efb13825a8d87367b67ad2683537a6a49c06d2

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

        Filesize

        404B

        MD5

        34cf6042e2ecfe85e9e95b4be3371942

        SHA1

        f33eb518ef5dc73b3c3a901ad666319e2e2831d9

        SHA256

        df746745fc20ef541d9ef9af242be33f628f77ba79629f79c497a4614d27e69c

        SHA512

        5753246c5453090e6da54f6f815180155d88414b80860619b775a3d090f8df93c5fa264db3041b7ec33febc5b72841756f8c26c81e1f6081580d6c2f421084cd

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A9F4DC20-C7D7-11EF-B9D5-EE81E66BE9E9}.dat

        Filesize

        3KB

        MD5

        40151a3ca915f6dc612ecb7cea725713

        SHA1

        72eb45f27585f5507e1a08f5d4b71b9bd5fe6b93

        SHA256

        c11cab98c256717841d9e5915ee822d17a08b568cbe4eb9c5c0a661770a09292

        SHA512

        ae87d469059dd1dbe505cd1ec43e8a3b83ca098647dae7b8a5deee6f25526d342cb55e45a29acf474c8736f33fe14ca4a28cc79df8959c2f53e75c5577c6a0d5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A9F73E56-C7D7-11EF-B9D5-EE81E66BE9E9}.dat

        Filesize

        5KB

        MD5

        b9040bc16679aa461f907097fdd38acc

        SHA1

        0788900eb8cd3a685a80d9acc79f749b5fd642f8

        SHA256

        de917c9626a4831a244ed696888c115e8815ea73061bc923be14701cfeb37d77

        SHA512

        31ce3fbc4038415d8883b1ba1548bc505607e79bd94f888af7b5ff794422b57ef0684a4f7122696e48739385438ae9253c29d5eaf61d93615d49ac52462b73e3

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver51D4.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/596-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/596-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/596-28-0x0000000077E72000-0x0000000077E73000-memory.dmp

        Filesize

        4KB

      • memory/596-25-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/596-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/596-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/596-26-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/596-33-0x0000000077E72000-0x0000000077E73000-memory.dmp

        Filesize

        4KB

      • memory/596-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/776-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-7-0x0000000000890000-0x0000000000891000-memory.dmp

        Filesize

        4KB

      • memory/776-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-0-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/776-6-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/776-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/776-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/2680-31-0x00000000007F0000-0x00000000007F1000-memory.dmp

        Filesize

        4KB

      • memory/2680-30-0x0000000000A10000-0x0000000000A11000-memory.dmp

        Filesize

        4KB