Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 01:27

General

  • Target

    879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe

  • Size

    157KB

  • MD5

    80fb926c18914c98c5544635831c54b5

  • SHA1

    c2590f791d36cae7af875379b65d10caab538625

  • SHA256

    879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1

  • SHA512

    98e7340f889fc67c6fdc16f2c42b2c08f90a336390bc418b1a148599dcbc1fef582756b783e13dffadbdd6f9c67a34ea94df0e5a46e6c62a580729810628e264

  • SSDEEP

    3072:01joJsw/4qciRA64ItVfI5o4By1NeJ7Cftp8C:Aoqf50fIaZ1DD

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 2 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe
    "C:\Users\Admin\AppData\Local\Temp\879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 724
      2⤵
      • Program crash
      PID:4992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1536 -ip 1536
    1⤵
      PID:4412

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1536-132-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB