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Analysis

  • max time kernel
    149s
  • 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
    01/01/2025, 04:25

General

  • Target

    JaffaCakes118_470e48e694a15580ce8a760a4b2426c0.dll

  • Size

    100KB

  • MD5

    470e48e694a15580ce8a760a4b2426c0

  • SHA1

    7cd9b30cd569c1fdc4b81182fa2c5c12412b7c29

  • SHA256

    819d1c4fe22e63bb9354a5f988b7595f8ed9b4657cbb88cb0a0a5a7f9fe42c4b

  • SHA512

    f5c9e726c2b06104b77338732e18b3575bffd927b7d0c2f7bc313c4426c3298c9dea425271956d1d8d3dbfe41e8e9ded3c8c8e31c7e81cf770c439ce151e1a94

  • SSDEEP

    1536:tyZYcdznGFrLABVjbPuOaUJelpx6EXqcudY3khbQdUUFPB9SsDmo71X/KYHd:yre3ABVjbPuOadx6HoVD59Ss60dyYHd

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 5 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 32 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_470e48e694a15580ce8a760a4b2426c0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_470e48e694a15580ce8a760a4b2426c0.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3224
          • 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:2012
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 888
        3⤵
        • Program crash
        PID:2256
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
    1⤵
    • Modifies data under HKEY_USERS
    PID:4960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
    1⤵
      PID:4332

    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

      febff5e5b64433316ee5f116c5c14309

      SHA1

      55a533777edeed0d18304f073d59d5ca1e5c7737

      SHA256

      888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

      SHA512

      cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

      Filesize

      404B

      MD5

      ce3fcccb1b89a1fa78d77fd0f98491b8

      SHA1

      762ac211162da9a79979ed2fe551fbad6dfacf7b

      SHA256

      1916a8f005ba5023c9cced1aeec7dcf963e60ab5558e70b0a73a270a13679a50

      SHA512

      c53d36627a942aace5a28e4dc43a7fe81169afe92933fc9bcb72fa203645447f9ea7a806d58ac385e91c70402eeeec10b7e1ddb1100528865781bd1c3812331f

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE55F.tmp

      Filesize

      15KB

      MD5

      1a545d0052b581fbb2ab4c52133846bc

      SHA1

      62f3266a9b9925cd6d98658b92adec673cbe3dd3

      SHA256

      557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

      SHA512

      bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Windows\SysWOW64\rundll32Srv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • memory/1472-17-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1472-0-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/2744-5-0x0000000000550000-0x000000000055F000-memory.dmp

      Filesize

      60KB

    • memory/2744-8-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2744-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3224-15-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3224-13-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3224-14-0x00000000004D0000-0x00000000004D1000-memory.dmp

      Filesize

      4KB