Analysis

  • max time kernel
    38s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 16:34

General

  • Target

    6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe

  • Size

    151KB

  • MD5

    84592ed9242208570f4ff6817ae1ee90

  • SHA1

    1591462df9274123e4a0a7a0f9ac808d61e89bc4

  • SHA256

    6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8

  • SHA512

    304f47dc418bd3ffaf3d0d5439f9b35e081a5936e52a8090a98e982707a822611e26f66f06bade0b204ceef1bc9c192ed86e735009f57b02bce401bd9e4c37f7

  • SSDEEP

    3072:y4kM0qrGtn3bzCYixmes29U38zbF1OSTOneRtg:y4+qiGxmesJQF1Baf

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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.exe
    "C:\Users\Admin\AppData\Local\Temp\6ca4007d9cabdf26a4d5d80cf4c7809ae128ceb2ae93ccecb3a1cf32ad629dd8.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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:2276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 1316
      2⤵
      • Program crash
      PID:3936
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2276 -ip 2276
    1⤵
      PID:4984
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3596

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2276-132-0x0000000000400000-0x0000000000416000-memory.dmp

        Filesize

        88KB

      • memory/2276-133-0x0000000000400000-0x0000000000416000-memory.dmp

        Filesize

        88KB