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Analysis

  • max time kernel
    190s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 18:40

General

  • Target

    60aa2066ecab96a1a151b88c6b6908a9c34828292893ca41267df9cca6012b41.exe

  • Size

    982KB

  • MD5

    0aabff5cd0ca1dff69845e6072b8bf50

  • SHA1

    7c32cbe09edc59bf6a775985a4d5c9a0a0e789fb

  • SHA256

    60aa2066ecab96a1a151b88c6b6908a9c34828292893ca41267df9cca6012b41

  • SHA512

    d8b4e56f4e4d9da54d869a5baec77f823915a706921c80c09ae7ecfb0f027db4cee049b2c45d341b4b755b9c91f17a914aecb0d255b1100f1d567db61af0b13b

  • SSDEEP

    12288:WSNC80I+cR3R03VseuO85F0I+cR3R03VseuO85:W4ChZcRi3VsesmZcRi3Vses

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 5 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60aa2066ecab96a1a151b88c6b6908a9c34828292893ca41267df9cca6012b41.exe
    "C:\Users\Admin\AppData\Local\Temp\60aa2066ecab96a1a151b88c6b6908a9c34828292893ca41267df9cca6012b41.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4312
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:1468
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3564
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe
          3⤵
            PID:5056
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4120
          • C:\Windows\SysWOW64\cacls.exe
            cacls "C:\system volume information" /e /g "Admin":f
            3⤵
              PID:3656

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/4092-132-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/4092-137-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB