Analysis

  • max time kernel
    154s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 01:31

General

  • Target

    997a979276b1a67e3d20d3f23862d17bd85c2ccad9fe412c8364fe7068a55633.exe

  • Size

    271KB

  • MD5

    086a8facde06254fc5ab071bddaa3e7e

  • SHA1

    a5af24126dc17f26b87fe8fd96e20ca147dc36e2

  • SHA256

    997a979276b1a67e3d20d3f23862d17bd85c2ccad9fe412c8364fe7068a55633

  • SHA512

    2cc4dbebe9e89f01a20d459baab726c9c07727724824cfb976229eea86442cfff68a8dcf4edbe178c4d6030eabab420c3564054b7ba699361fe188e8d6d64bb8

  • SSDEEP

    6144:6o8/m9hh9u6KMCgLpIzAsy2RlxbQE57R4fVdYJGEZBcUU:N8+aqpmAmlFQW7qfQJGwcn

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\997a979276b1a67e3d20d3f23862d17bd85c2ccad9fe412c8364fe7068a55633.exe
    "C:\Users\Admin\AppData\Local\Temp\997a979276b1a67e3d20d3f23862d17bd85c2ccad9fe412c8364fe7068a55633.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4208
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\Non.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Non.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4824
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\Non.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Non.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:848
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3932
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:3500
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3480
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4160
    • C:\Users\Admin\AppData\Local\Temp\System\mtvdemd.exe
      "C:\Users\Admin\AppData\Local\Temp\System\mtvdemd.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Users\Admin\AppData\Local\Temp\System\hpwebregUI.exe
        "C:\Users\Admin\AppData\Local\Temp\System\hpwebregUI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          4⤵
          • Suspicious use of SetWindowsHookEx
          PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\System\hpwebregUI.exe

    Filesize

    271KB

    MD5

    086a8facde06254fc5ab071bddaa3e7e

    SHA1

    a5af24126dc17f26b87fe8fd96e20ca147dc36e2

    SHA256

    997a979276b1a67e3d20d3f23862d17bd85c2ccad9fe412c8364fe7068a55633

    SHA512

    2cc4dbebe9e89f01a20d459baab726c9c07727724824cfb976229eea86442cfff68a8dcf4edbe178c4d6030eabab420c3564054b7ba699361fe188e8d6d64bb8

  • C:\Users\Admin\AppData\Local\Temp\System\hpwebregUI.exe

    Filesize

    271KB

    MD5

    086a8facde06254fc5ab071bddaa3e7e

    SHA1

    a5af24126dc17f26b87fe8fd96e20ca147dc36e2

    SHA256

    997a979276b1a67e3d20d3f23862d17bd85c2ccad9fe412c8364fe7068a55633

    SHA512

    2cc4dbebe9e89f01a20d459baab726c9c07727724824cfb976229eea86442cfff68a8dcf4edbe178c4d6030eabab420c3564054b7ba699361fe188e8d6d64bb8

  • C:\Users\Admin\AppData\Local\Temp\System\mtvdemd.exe

    Filesize

    41KB

    MD5

    788083fc30f8684249e619e27a537e89

    SHA1

    33094a763aea74ebaf173661010795ed7b043f1a

    SHA256

    9343c5432689743a510b21b52999446b822e3464f8916ab61039d9648766e8ce

    SHA512

    053fd245582d837a91367749c83fccabd45ad8391c9ce30d54991163c81b9c0c2b0fd40082d1453ea360f10007f06031b7fd933e2ba6823d48123401faabefd1

  • C:\Users\Admin\AppData\Local\Temp\System\mtvdemd.exe

    Filesize

    41KB

    MD5

    788083fc30f8684249e619e27a537e89

    SHA1

    33094a763aea74ebaf173661010795ed7b043f1a

    SHA256

    9343c5432689743a510b21b52999446b822e3464f8916ab61039d9648766e8ce

    SHA512

    053fd245582d837a91367749c83fccabd45ad8391c9ce30d54991163c81b9c0c2b0fd40082d1453ea360f10007f06031b7fd933e2ba6823d48123401faabefd1

  • memory/400-168-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/400-156-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/1576-138-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1576-137-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1576-136-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1576-134-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1884-169-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/1884-157-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/3668-167-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/3668-132-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB