Resubmissions

11-02-2024 07:47

240211-jmhlvsea41 10

10-02-2024 16:03

240210-thk7asfh75 10

Analysis

  • max time kernel
    45s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2024 07:47

General

  • Target

    Locky.exe

  • Size

    180KB

  • MD5

    b06d9dd17c69ed2ae75d9e40b2631b42

  • SHA1

    b606aaa402bfe4a15ef80165e964d384f25564e4

  • SHA256

    bc98c8b22461a2c2631b2feec399208fdc4ecd1cd2229066c2f385caa958daa3

  • SHA512

    8e54aca4feb51611142c1f2bf303200113604013c2603eea22d72d00297cb1cb40a2ef11f5129989cd14f90e495db79bffd15bd6282ff564c4af7975b1610c1c

  • SSDEEP

    3072:gzWgfLlUc7CIJ1tkZaQyjhOosc8MKi6KDXnLCtyAR0u1cZ86:gdLl4wkZa/UDiD7ukst1H6

Score
10/10

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Locky.exe
    "C:\Users\Admin\AppData\Local\Temp\Locky.exe"
    1⤵
      PID:452
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5068
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1492

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/452-0-0x0000000000A80000-0x0000000000A84000-memory.dmp
        Filesize

        16KB

      • memory/452-1-0x0000000000A80000-0x0000000000A84000-memory.dmp
        Filesize

        16KB

      • memory/452-17-0x0000000000400000-0x00000000007D1000-memory.dmp
        Filesize

        3.8MB

      • memory/452-15-0x0000000000400000-0x00000000007D1000-memory.dmp
        Filesize

        3.8MB

      • memory/5068-8-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-9-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-3-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-11-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-10-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-13-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-14-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-12-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-4-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB

      • memory/5068-2-0x000001F1E9BD0000-0x000001F1E9BD1000-memory.dmp
        Filesize

        4KB