Analysis

  • max time kernel
    93s
  • max time network
    151s
  • 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 04:23

General

  • Target

    JaffaCakes118_47056798bb2ee51b35535d2589d7c090.dll

  • Size

    307KB

  • MD5

    47056798bb2ee51b35535d2589d7c090

  • SHA1

    67f6fde6e64cae5c853ddbbb9774e168fda4de1e

  • SHA256

    e22c7240403738e59e4a2d8571c1ddbffbf33f67242dc01e6d5091dc8f4c5ecb

  • SHA512

    ec3e3b346b70e999bc5d581c70f26714874f53403b54e428feb8ab518b6640f7afa97dccbf327c3543d8155b3dbe5732bc14266bf97250bc1384bf4fdb10e952

  • SSDEEP

    6144:D6/DrQzkNQk6mtFfJCTPDTMQLaQwyy4gq2lwe0Axr:D6/DrOkNQk6ufOXMQOQwaslN0Er

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 7 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 30 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_47056798bb2ee51b35535d2589d7c090.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_47056798bb2ee51b35535d2589d7c090.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1088
      • 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:3444
        • 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:1844
          • 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:2264
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2264 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 608
        3⤵
        • Program crash
        PID:4608
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1088 -ip 1088
    1⤵
      PID:1948

    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

      202f3b8f971ef6632df42df594f56b41

      SHA1

      d6640f1d03801d8cb2903d473379c686bd973cd3

      SHA256

      cb7b890bf815b8d26595b37a594c9ff575b3cd9a98a06ab93421d26c2ef9644f

      SHA512

      3f72e7fa9efb9f294b84e5fcca4a682f32278cc22f976fca76870b17ebf9e522fcc3a1c12daf3b60ddc1b180d10a6e592981909d358959fa81a4022c4c8665f3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\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/1088-1-0x0000000010000000-0x0000000010053000-memory.dmp

      Filesize

      332KB

    • memory/1088-19-0x0000000010000000-0x0000000010053000-memory.dmp

      Filesize

      332KB

    • memory/1844-15-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1844-16-0x0000000000580000-0x0000000000581000-memory.dmp

      Filesize

      4KB

    • memory/1844-17-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1844-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1844-13-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3444-5-0x00000000005A0000-0x00000000005AF000-memory.dmp

      Filesize

      60KB

    • memory/3444-7-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3444-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB