Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
  • 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 2 IoCs
  • Modifies registry class 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\adc458fb5f33d5e83792c01bf3a961e1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\adc458fb5f33d5e83792c01bf3a961e1.dll,#1
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\SysWOW64\explorer.exe
        explorer C:\Users\Admin\AppData
        3⤵
          PID:1976
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1244
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2816

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1244-6-0x0000000002A10000-0x0000000002A11000-memory.dmp

            Filesize

            4KB

          • memory/2816-9-0x0000000003740000-0x0000000003750000-memory.dmp

            Filesize

            64KB

          • memory/2816-10-0x0000000003730000-0x0000000003731000-memory.dmp

            Filesize

            4KB

          • memory/2816-11-0x0000000003730000-0x0000000003731000-memory.dmp

            Filesize

            4KB

          • memory/2968-3-0x0000000000120000-0x0000000000141000-memory.dmp

            Filesize

            132KB

          • memory/2968-8-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

            Filesize

            4KB

          • memory/2968-7-0x000000007731F000-0x0000000077320000-memory.dmp

            Filesize

            4KB

          • memory/2968-5-0x0000000000120000-0x0000000000141000-memory.dmp

            Filesize

            132KB