Analysis

  • max time kernel
    163s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 03:26

General

  • Target

    036de6e9928865caeced1bae00bdb55d.exe

  • Size

    96KB

  • MD5

    036de6e9928865caeced1bae00bdb55d

  • SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

  • SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

  • SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • SSDEEP

    1536:xfw6ygq47NGW9CgD4Vw8w28Dxv5s3wOXGpx/9l/7RyVcTIuGeNjcfgfu6ls5hfLu:xfw6Pq47NGW9lD4Vw8w28Dxv5s1XM+cN

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\036de6e9928865caeced1bae00bdb55d.exe
    "C:\Users\Admin\AppData\Local\Temp\036de6e9928865caeced1bae00bdb55d.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\reg.exe
      reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f
      2⤵
      • Modifies visibility of file extensions in Explorer
      PID:1504
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scvhost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scvhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\reg.exe
        reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f
        3⤵
        • Modifies visibility of file extensions in Explorer
        PID:1200
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\winmgmt.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\winmgmt.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:664
      • C:\Windows\SysWOW64\reg.exe
        reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f
        3⤵
        • Modifies visibility of file extensions in Explorer
        PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scvhost.exe
    Filesize

    96KB

    MD5

    036de6e9928865caeced1bae00bdb55d

    SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

    SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

    SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scvhost.exe
    Filesize

    96KB

    MD5

    036de6e9928865caeced1bae00bdb55d

    SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

    SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

    SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\winmgmt.exe
    Filesize

    96KB

    MD5

    036de6e9928865caeced1bae00bdb55d

    SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

    SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

    SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\winmgmt.exe
    Filesize

    96KB

    MD5

    036de6e9928865caeced1bae00bdb55d

    SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

    SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

    SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scvhost.exe
    Filesize

    96KB

    MD5

    036de6e9928865caeced1bae00bdb55d

    SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

    SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

    SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\winmgmt.exe
    Filesize

    96KB

    MD5

    036de6e9928865caeced1bae00bdb55d

    SHA1

    27b92bbc3cb16d06e645438079f24787975d520f

    SHA256

    a894e6dfcccc7112d8cab766fe285f2e45bf5d38021413b0e4ca1e9eb5992c48

    SHA512

    9bd1d4624d2fcda393c69b1e6dac21071ccdf3ea24c22e8b94a475a56131008f14acba099256fd59ceacd81e87c3d43d2e5f2d4966f7d9021b641b6c47af5adf

  • memory/664-77-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/664-75-0x0000000000455000-0x0000000000466000-memory.dmp
    Filesize

    68KB

  • memory/664-65-0x0000000000000000-mapping.dmp
  • memory/664-73-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/1156-70-0x0000000000000000-mapping.dmp
  • memory/1200-69-0x0000000000000000-mapping.dmp
  • memory/1204-74-0x0000000000C05000-0x0000000000C16000-memory.dmp
    Filesize

    68KB

  • memory/1204-72-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/1204-60-0x0000000000000000-mapping.dmp
  • memory/1204-76-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/1204-78-0x0000000000C05000-0x0000000000C16000-memory.dmp
    Filesize

    68KB

  • memory/1504-57-0x0000000000000000-mapping.dmp
  • memory/2040-55-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/2040-56-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/2040-71-0x0000000074F70000-0x000000007551B000-memory.dmp
    Filesize

    5.7MB

  • memory/2040-54-0x00000000767B1000-0x00000000767B3000-memory.dmp
    Filesize

    8KB

  • memory/2040-58-0x0000000000405000-0x0000000000416000-memory.dmp
    Filesize

    68KB