Analysis

  • max time kernel
    156s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 19:37

General

  • Target

    adc458fb5f33d5e83792c01bf3a961e1.dll

  • Size

    107KB

  • MD5

    adc458fb5f33d5e83792c01bf3a961e1

  • SHA1

    818fa5e08d482e34e7e09dc4bd8f1fdbd9dbe783

  • SHA256

    53d51efe4a4895fd128849b6ee49ad49355f47b8f0fe33618b9fcb5a9f2f342e

  • SHA512

    1a2c40901f47c6fa2e29d4863d88ff66cd8d72c1e3ad383496c0e514f5c5a331a31f6a93a5afb046cc67eb4374d695f661b226e88cc0dbcb0b8872980fbe4724

  • SSDEEP

    1536:2QwOt1r1H5evKSFw+k9w/qKPDE9EHBJy0W2MsA9GglAKL9sxNuWHgOhYc/z+iv2U:bNt1b59U+2MskOhYKaiOihpZ++

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 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 11 IoCs
  • Suspicious use of FindShellTrayWindow 4 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 UnmapMainImage
    PID:3512
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\adc458fb5f33d5e83792c01bf3a961e1.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\adc458fb5f33d5e83792c01bf3a961e1.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:384
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:4964
    • 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:2392
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2852

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/384-3-0x0000000000880000-0x00000000008A1000-memory.dmp

              Filesize

              132KB

            • memory/384-4-0x0000000000880000-0x00000000008A1000-memory.dmp

              Filesize

              132KB

            • memory/384-6-0x0000000000880000-0x00000000008A1000-memory.dmp

              Filesize

              132KB

            • memory/384-7-0x0000000077B12000-0x0000000077B13000-memory.dmp

              Filesize

              4KB

            • memory/384-8-0x000000007F030000-0x000000007F031000-memory.dmp

              Filesize

              4KB

            • memory/384-9-0x0000000000880000-0x00000000008A1000-memory.dmp

              Filesize

              132KB