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Analysis

  • max time kernel
    15s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 01:16

General

  • Target

    JaffaCakes118_41f6fcd07fc91a89a51902ec3a458104.dll

  • Size

    647KB

  • MD5

    41f6fcd07fc91a89a51902ec3a458104

  • SHA1

    19dc3c0e0ff4e7fa36ce50cea58551a7e61cf363

  • SHA256

    6652c71805f46aaf3b8080719ad66ae33745ef7d6f26973b695a86e7e656e6c8

  • SHA512

    b9f3c2419643a72107b0bcbb4f411d702bedd4b00aca5611e2970d7047b409c1566fef2834d0bc85240343b14701b76b43889a4571f517ca5210aca437666c54

  • SSDEEP

    12288:5E7NiOLg18+1/hv5VEipyz7mTWWa8afR2ftuD1xbmiUWAoUK:5E3+F5GipwuWWpj+pUK

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41f6fcd07fc91a89a51902ec3a458104.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41f6fcd07fc91a89a51902ec3a458104.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 100
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 224
        3⤵
        • Program crash
        PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    60KB

    MD5

    94f2f6ffbba8e7644668b51b39983916

    SHA1

    63357bbdf90101969117983dbc0d4ed0e713c4d7

    SHA256

    ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

    SHA512

    d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

  • memory/2348-1-0x0000000075280000-0x0000000075328000-memory.dmp

    Filesize

    672KB

  • memory/2348-3-0x0000000075280000-0x0000000075328000-memory.dmp

    Filesize

    672KB

  • memory/2348-2-0x00000000751D0000-0x0000000075278000-memory.dmp

    Filesize

    672KB

  • memory/2348-18-0x00000000751D0000-0x0000000075278000-memory.dmp

    Filesize

    672KB