Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 00:25

General

  • Target

    1dca957138b5d01c64c16309648a349c901fb0a5fe56f75a4fc833c8c11a6efd.exe

  • Size

    1.3MB

  • MD5

    86bb153af8f8a4214e4492b072d4b78e

  • SHA1

    dad286dfe8daf8e0827ef4fdd51e841d65a9e1ad

  • SHA256

    1dca957138b5d01c64c16309648a349c901fb0a5fe56f75a4fc833c8c11a6efd

  • SHA512

    9166a1a8a3b4b552ba2197411d39ad56bce95373230f340584d3e96fbc67502521a33e1df07a8b83da7bc2565f6fc0512b2ca45c76f99f09774e167b7c37008d

  • SSDEEP

    12288:xCTPgrnZiJiAaMVkUet7EwBI+APutDrVkP+xnXOBI+AM0:xCTPMAzVkUetVI5ut/VkP+x6IS0

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Disables use of System Restore points 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 48 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 47 IoCs

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

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

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

  • Program crash 1 IoCs
  • Modifies Control Panel 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1dca957138b5d01c64c16309648a349c901fb0a5fe56f75a4fc833c8c11a6efd.exe
    "C:\Users\Admin\AppData\Local\Temp\1dca957138b5d01c64c16309648a349c901fb0a5fe56f75a4fc833c8c11a6efd.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies visibility of file extensions in Explorer
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:3892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 868
      2⤵
      • Program crash
      PID:1060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3892 -ip 3892
    1⤵
      PID:2456

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads