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Analysis

  • max time kernel
    32s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2023, 12:51

General

  • Target

    cryptor.exe

  • Size

    1.2MB

  • MD5

    3d3308249c9678add3a18400dee765e1

  • SHA1

    bf8a4f936ea526547304941b071a893c26c4fc8b

  • SHA256

    5f3ae6e0d2e118ed31e7c38b652f4e59f5d5745398596c8b31248eda059778af

  • SHA512

    68e7f980458735ee8f4a878a7b0ad6c82785c75d8aa7115135b7aee422a5d156c6dd64fd888d0a7ad977dd7a676fc19d1d3c6bc60cdad7413f413ed82bed9968

  • SSDEEP

    12288:jYQ8qfjpyIvdBsR7LZ61TRRhKziQVUylH0:8Q8qfj9VwcpRLSiQJlH

Score
1/10

Malware Config

Signatures

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\cryptor.exe
    "C:\Users\Admin\AppData\Local\Temp\cryptor.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3D76827F-A31B-49C3-866F-DDAFB07D5B48}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{3D76827F-A31B-49C3-866F-DDAFB07D5B48}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2468
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2132
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    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:2276
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2276-2-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-3-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-4-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-8-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-9-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-10-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-11-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-12-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-13-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-14-0x000002558B1D0000-0x000002558B1D1000-memory.dmp

      Filesize

      4KB

    • memory/3924-0-0x00007FF6E8CB0000-0x00007FF6E8E6B000-memory.dmp

      Filesize

      1.7MB

    • memory/3924-1-0x00007FF6E8CB0000-0x00007FF6E8E6B000-memory.dmp

      Filesize

      1.7MB