Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2024 05:09

General

  • Target

    5f248cbb79fb3a79c50acc7e54d2e183_JaffaCakes118.dll

  • Size

    163KB

  • MD5

    5f248cbb79fb3a79c50acc7e54d2e183

  • SHA1

    3715e65b60b023b25c8aca938d2bad3ac4a167e9

  • SHA256

    846a48184c2ce995050b016933dc1ee0e0d2beb2b7938e7d0b5f95057cb16404

  • SHA512

    0cd9e225b0b0adcf0b47f210ee368e12b4ac12751c074d28acb0c69a7551dfcacc8a0b9aa46787000db7099ae0a89099e00ec4a941892a55e97c6c10669a26ec

  • SSDEEP

    3072:ktORhCkTeLvh+9j2oE2oG8maiOihpZ+MvyZXOgwWzrr6FRnF:AORhCkf6qzaiOEpzvKwTFRF

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 33 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 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
    PID:3440
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f248cbb79fb3a79c50acc7e54d2e183_JaffaCakes118.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f248cbb79fb3a79c50acc7e54d2e183_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:3948
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:2292
    • 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:3188
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4748

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3948-0-0x0000000010000000-0x000000001001B000-memory.dmp

        Filesize

        108KB

      • memory/3948-3-0x00000000011E0000-0x0000000001201000-memory.dmp

        Filesize

        132KB

      • memory/3948-4-0x00000000011E0000-0x0000000001201000-memory.dmp

        Filesize

        132KB

      • memory/3948-5-0x00000000011E0000-0x0000000001201000-memory.dmp

        Filesize

        132KB

      • memory/3948-9-0x000000007F1C0000-0x000000007F1C1000-memory.dmp

        Filesize

        4KB

      • memory/3948-8-0x0000000077412000-0x0000000077413000-memory.dmp

        Filesize

        4KB

      • memory/3948-7-0x00000000011E0000-0x0000000001201000-memory.dmp

        Filesize

        132KB

      • memory/3948-11-0x00000000011E0000-0x0000000001201000-memory.dmp

        Filesize

        132KB

      • memory/3948-10-0x0000000010000000-0x000000001001B000-memory.dmp

        Filesize

        108KB