Analysis

  • max time kernel
    182s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 21:30

General

  • Target

    ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll

  • Size

    161KB

  • MD5

    435c66c04578565e15c70922e29265b1

  • SHA1

    50af97707566f2ea519de1cca57d8843a80d3e43

  • SHA256

    ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826

  • SHA512

    9eeae81936d7005a8f948eb20040cfe18f7b6b1af604a2b2f420ba82fa2ca0251c458b47604522de78d047aea8907320b710c00293b404fa25f890c38fc9828f

  • SSDEEP

    3072:4hqKsvvf4DzDWz6elaKdjOkfL6oBSjNC1oNHH9xb0GW4vyNO5BwqL7HX:/zf4DxehjXDsjNT9MGW3NUH/3

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
  • Enumerates connected drives 3 TTPs 1 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 6 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 behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    PID:2628
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\ccc6865773e3b43d18a5c9e09365976ceef5e423887662df01455db1e5814826.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:1752
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:3692
    • 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:1616
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4116

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1752-132-0x0000000000000000-mapping.dmp

      • memory/1752-136-0x0000000002D40000-0x0000000002D62000-memory.dmp

        Filesize

        136KB

      • memory/1752-138-0x0000000002D40000-0x0000000002D62000-memory.dmp

        Filesize

        136KB

      • memory/3692-139-0x0000000000000000-mapping.dmp