Analysis

  • max time kernel
    203s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 19:04

General

  • Target

    8feb175fe2d73bf13aadd6ce890f7465bf55b6109fdaddcf6bed316eabca73fd.dll

  • Size

    1.6MB

  • MD5

    b37b2c49d236b0d55de65c8c8857dd02

  • SHA1

    5b1f0c600ee7067b9af54cc94f95012c185212f1

  • SHA256

    8feb175fe2d73bf13aadd6ce890f7465bf55b6109fdaddcf6bed316eabca73fd

  • SHA512

    f7970393f6ce97d54ab1708e80c58aba3e1bbac76b4cc5cc01f55a161d9ca1818ade85007e50b3f85883f8153498b46a080880971a5317c8435f1d90a55dafd6

  • SSDEEP

    49152:NYMVbWQxpcTFXeZ6UvAZFYSbVcrZFNg3:eqbrxg68bb0g

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8feb175fe2d73bf13aadd6ce890f7465bf55b6109fdaddcf6bed316eabca73fd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8feb175fe2d73bf13aadd6ce890f7465bf55b6109fdaddcf6bed316eabca73fd.dll,#1
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 812
        3⤵
        • Program crash
        PID:1392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 812
        3⤵
        • Program crash
        PID:1644
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4592 -ip 4592
    1⤵
      PID:2796

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1392-142-0x0000000000000000-mapping.dmp

    • memory/4592-132-0x0000000000000000-mapping.dmp

    • memory/4592-133-0x0000000010000000-0x00000000103A9000-memory.dmp

      Filesize

      3.7MB

    • memory/4592-136-0x0000000010000000-0x00000000103A9000-memory.dmp

      Filesize

      3.7MB

    • memory/4592-137-0x0000000010000000-0x00000000103A9000-memory.dmp

      Filesize

      3.7MB

    • memory/4592-138-0x00000000046B0000-0x00000000046EE000-memory.dmp

      Filesize

      248KB

    • memory/4592-141-0x00000000046B0000-0x00000000046EE000-memory.dmp

      Filesize

      248KB

    • memory/4592-140-0x00000000046B0000-0x00000000046EE000-memory.dmp

      Filesize

      248KB

    • memory/4592-143-0x0000000010000000-0x00000000103A9000-memory.dmp

      Filesize

      3.7MB