Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 13:33

General

  • Target

    f12c66f86051aa4cd5ca0fa117a0797b_JaffaCakes118.dll

  • Size

    523KB

  • MD5

    f12c66f86051aa4cd5ca0fa117a0797b

  • SHA1

    1ff9b2de58ad4dcad74485592268c3bfa1e920f5

  • SHA256

    170982622474c61c092a10c4bf5b44a26779698a4e4dd44a75f54cad15c3d87d

  • SHA512

    0190bfd53d1a693f0927179c460a7d968ed90e627f6b30080bc1e020f2d654cf9838549f1090a0c4486dc56d7e23a8eaa384fd2a38f7ecd08c7fe3a94bcb2343

  • SSDEEP

    384:gphNKATHihgelnsKYSpnM1eMyfJ3vf7o4vNTPPqCDz4ZJ8YYYDF:gphtHjKPxM4FDPq44Zwy

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f12c66f86051aa4cd5ca0fa117a0797b_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f12c66f86051aa4cd5ca0fa117a0797b_JaffaCakes118.dll,#1
      2⤵
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240609312.bat
        3⤵
          PID:5004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~DFD240609312.bat

      Filesize

      121B

      MD5

      09517fc62284f33e877a276463580bd1

      SHA1

      0b14fe1db4493818f9de0bf2a56ee5370b8d479a

      SHA256

      6cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238

      SHA512

      1b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d