Analysis

  • max time kernel
    130s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 17:23

General

  • Target

    083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll

  • Size

    155KB

  • MD5

    083050628845a3d3e0bc0ac054860bf5

  • SHA1

    3f027524cef4c61b28145301dfa77323f096e9e4

  • SHA256

    dd2decb14d79cdb254b100592880b68c53071d8570f5cadd5a97205c4da0982c

  • SHA512

    8e2f55254e53eafd176130b82f854c608949f2bfa7491f3fdab4f6b228c1e003885d8f85c84e2137fda42767fab606b757d2bcdb2e60b19f9de1074d425dbbec

  • SSDEEP

    3072:cjl3Sn1Si4muVMs3ASb4ys5JBx/pUpU5nXUORCyGaCv29KbXgftbw9EndJ6oS:y0n1SiTuTwSbYBx/26XUORCLaCOMbyRy

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of UnmapMainImage
    PID:3476
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4872
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\083050628845a3d3e0bc0ac054860bf5_JaffaCakes118.dll,#1
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4480
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:3676
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:712
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3088

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4480-0-0x0000000010000000-0x000000001001B000-memory.dmp

        Filesize

        108KB

      • memory/4480-2-0x0000000002790000-0x00000000027B1000-memory.dmp

        Filesize

        132KB

      • memory/4480-3-0x0000000002790000-0x00000000027B1000-memory.dmp

        Filesize

        132KB

      • memory/4480-8-0x0000000002790000-0x00000000027B1000-memory.dmp

        Filesize

        132KB

      • memory/4480-7-0x0000000077692000-0x0000000077693000-memory.dmp

        Filesize

        4KB

      • memory/4480-6-0x0000000002790000-0x00000000027B1000-memory.dmp

        Filesize

        132KB

      • memory/4480-4-0x0000000002790000-0x00000000027B1000-memory.dmp

        Filesize

        132KB

      • memory/4480-9-0x000000007FA60000-0x000000007FA61000-memory.dmp

        Filesize

        4KB

      • memory/4480-11-0x0000000010000000-0x000000001001B000-memory.dmp

        Filesize

        108KB