Analysis

  • max time kernel
    94s
  • max time network
    142s
  • 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 05:04

General

  • Target

    JaffaCakes118_48264f2fb06eafc5f6b63349771af730.dll

  • Size

    672KB

  • MD5

    48264f2fb06eafc5f6b63349771af730

  • SHA1

    ba2703bab917ef5e96b41873831f5509c7d265ee

  • SHA256

    c5083725fa508f01c13fdaa177660ced4e0c24899d6863cbf5d155a6bfc353c6

  • SHA512

    181fb27e34de4d13bee53a084ff6aabb0e75b822578bf33efb347d51d0e4e3a891313f86b205b4c0cd24018c2150b2f4f22f79f86ff76a19966154b02489f6bc

  • SSDEEP

    12288:dFqi2VC1J7Zs7a5zchr46CIfsyZmGyYCqeCZhAP:dUi2C1JdoiEdmGyYukhAP

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 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 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
  • Suspicious behavior: EnumeratesProcesses 8 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_48264f2fb06eafc5f6b63349771af730.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48264f2fb06eafc5f6b63349771af730.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5116
      • 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:4424
        • 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:4892
          • 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:2492
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2492 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1960

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

    67b38e62c4f41f84843f4b45660f1b76

    SHA1

    b2f24e6cf8bafec5eae3717c0ce54571f83274ed

    SHA256

    07b479c5ad870fd7184bf72b2f6faff54f7cc5a34453d0be48d16c65af8f1bad

    SHA512

    f01efb9a31c3fb4ac807ad7eb88833324b7de8db3ff03433e736e6e5d4cc98fd4e5c2459d470bf5c6bc3664bc5e64cc92f0b24e3b712b9069bf4e39f8a113228

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF507.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\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/4424-5-0x0000000000440000-0x000000000044F000-memory.dmp

    Filesize

    60KB

  • memory/4424-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4424-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4892-15-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4892-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4892-14-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/4892-11-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5116-1-0x00000000757E0000-0x000000007588A000-memory.dmp

    Filesize

    680KB

  • memory/5116-18-0x00000000757E0000-0x000000007588A000-memory.dmp

    Filesize

    680KB