Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 07:09

General

  • Target

    03e873af115a685837d203aa436c0478_JaffaCakes118.dll

  • Size

    523KB

  • MD5

    03e873af115a685837d203aa436c0478

  • SHA1

    5858c3b463cb8260254b9eb3a9ff0491704bbde0

  • SHA256

    67ff69794254f402a1c21e976394715801b90c71fdd1c72651e866c19f7a159d

  • SHA512

    a85f2d0eae3fcad7af41859433136581ae8faae66aa7cc0062b2bb3bd75f1ccc4bb2060a9c714d33f26082d953e6e5c43892c15ffb5811683e986d430b77a9c6

  • SSDEEP

    384:nyVlNjtU2ecXSdpn59r0uqjuN7LRLnD7dUpKfJIzU/2akF+Jy4:yVlDSjpUuLjD7Wo2i2akA

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\03e873af115a685837d203aa436c0478_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\03e873af115a685837d203aa436c0478_JaffaCakes118.dll,#1
      2⤵
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240597406.bat
        3⤵
          PID:1128

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~DFD240597406.bat

      Filesize

      121B

      MD5

      09517fc62284f33e877a276463580bd1

      SHA1

      0b14fe1db4493818f9de0bf2a56ee5370b8d479a

      SHA256

      6cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238

      SHA512

      1b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d