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Analysis

  • max time kernel
    151s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 01:31

General

  • Target

    96f711da81e3dfa05defcc7806849663907dc1fe978b5215af6fdd79d22512bc.exe

  • Size

    497KB

  • MD5

    b8cc28af488668c1937b3624ff63e3d5

  • SHA1

    87bbe47cad21b48c8eebdac3d5f6ebfb295b6736

  • SHA256

    96f711da81e3dfa05defcc7806849663907dc1fe978b5215af6fdd79d22512bc

  • SHA512

    8d6f5a75f971fd1182d58f7c8c6cd7ccce2eec741af3f75b15d5eae2e51821d0a35b7c9a9e483d561919501f42fa48b388748e7ce81c7354a22db936768b2799

  • SSDEEP

    12288:WEA5KSbBhHZ1mhX/piQR9QTuB33vVQEKoJvZWK:WEAXbBh5KYQQceZoJvl

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Executes dropped EXE 2 IoCs
  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96f711da81e3dfa05defcc7806849663907dc1fe978b5215af6fdd79d22512bc.exe
    "C:\Users\Admin\AppData\Local\Temp\96f711da81e3dfa05defcc7806849663907dc1fe978b5215af6fdd79d22512bc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4996
    • 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:640
      • 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:4204
        • 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:1992
      • 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:4556
        • 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:4820
      • 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\turmoilscape.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\turmoilscape.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2720
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\turmoilscape.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\turmoilscape.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:3604
      • 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:3360
        • 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:2612
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.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:2424
      • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        "C:\Users\Admin\AppData\Local\Temp\MSBuild.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:116
        • 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:3748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe

    Filesize

    497KB

    MD5

    b8cc28af488668c1937b3624ff63e3d5

    SHA1

    87bbe47cad21b48c8eebdac3d5f6ebfb295b6736

    SHA256

    96f711da81e3dfa05defcc7806849663907dc1fe978b5215af6fdd79d22512bc

    SHA512

    8d6f5a75f971fd1182d58f7c8c6cd7ccce2eec741af3f75b15d5eae2e51821d0a35b7c9a9e483d561919501f42fa48b388748e7ce81c7354a22db936768b2799

  • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe

    Filesize

    497KB

    MD5

    b8cc28af488668c1937b3624ff63e3d5

    SHA1

    87bbe47cad21b48c8eebdac3d5f6ebfb295b6736

    SHA256

    96f711da81e3dfa05defcc7806849663907dc1fe978b5215af6fdd79d22512bc

    SHA512

    8d6f5a75f971fd1182d58f7c8c6cd7ccce2eec741af3f75b15d5eae2e51821d0a35b7c9a9e483d561919501f42fa48b388748e7ce81c7354a22db936768b2799

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe

    Filesize

    8KB

    MD5

    8117d80b0e093b8a22808439e98f8438

    SHA1

    95e85605a119569be1171e738ab1933d72b4d4ac

    SHA256

    e1d07433984dc20260f212e464fcdd75e0cca098b4c40d9d940ad71995e74699

    SHA512

    bef89879f3b5e3b9a3cad130ef33ca6d9a6b55e0b47dd6c47fd94efb343bf9b5d904bdccc52e2416ac68d12a1077102a2015fd8c9f92defcb83514f0d10e06a3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe

    Filesize

    8KB

    MD5

    8117d80b0e093b8a22808439e98f8438

    SHA1

    95e85605a119569be1171e738ab1933d72b4d4ac

    SHA256

    e1d07433984dc20260f212e464fcdd75e0cca098b4c40d9d940ad71995e74699

    SHA512

    bef89879f3b5e3b9a3cad130ef33ca6d9a6b55e0b47dd6c47fd94efb343bf9b5d904bdccc52e2416ac68d12a1077102a2015fd8c9f92defcb83514f0d10e06a3

  • memory/116-165-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/116-162-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/640-133-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/640-135-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2424-151-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/2424-164-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4996-163-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4996-140-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB