Analysis

  • max time kernel
    144s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:07

General

  • Target

    1122507cbf55f5e6cc356367c9a49aea506b8ff711978936a2f0431859fd6065.exe

  • Size

    181KB

  • MD5

    068ed81b7b7a3426f0f6292e4f41acd2

  • SHA1

    031cca397819188b38482717d254dcd09dbcc9e6

  • SHA256

    1122507cbf55f5e6cc356367c9a49aea506b8ff711978936a2f0431859fd6065

  • SHA512

    a14e0036ee722b72ad4db3c84e0d06328ced0fecb3c883a735df8ab1bcc68ee2ec825351a46815b5ddcf12aa7439d8a892dabb7a5d7c637718fb6c03c263bcde

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQKhsaR2:gDCwfG1bnxLERR9saR2

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Executes dropped EXE 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 4 IoCs
  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1122507cbf55f5e6cc356367c9a49aea506b8ff711978936a2f0431859fd6065.exe
    "C:\Users\Admin\AppData\Local\Temp\1122507cbf55f5e6cc356367c9a49aea506b8ff711978936a2f0431859fd6065.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:4732
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4052
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2032
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
        3⤵
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1256
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1900
          • C:\Users\Admin\AppData\Local\Temp\avscan.exe
            C:\Users\Admin\AppData\Local\Temp\avscan.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4868
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
            5⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4416
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:3932
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
              6⤵
              • Adds policy Run key to start application
              PID:4616
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2672
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:3996
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:3956
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1336
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:4256
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3736
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1960
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4712
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4760
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3332
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:3452
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2424

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      182KB

      MD5

      f7bfd2cf196edb2c82603acb22813d3e

      SHA1

      fada46efde35c6796e387fff1beb679eef021962

      SHA256

      e6a507687d0a64d48d12fada462a3b3ab059d0c097bb596f78a39679844e1a79

      SHA512

      84fc475a6e9488215948bbe3c718d58d7286e1d3c4dfde5f82fcceef21a815d2d862cdd1fe8460cd967873fd7878491158c5d10cb01e008c6390da0846f5ae2d

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

      Filesize

      182KB

      MD5

      f7bfd2cf196edb2c82603acb22813d3e

      SHA1

      fada46efde35c6796e387fff1beb679eef021962

      SHA256

      e6a507687d0a64d48d12fada462a3b3ab059d0c097bb596f78a39679844e1a79

      SHA512

      84fc475a6e9488215948bbe3c718d58d7286e1d3c4dfde5f82fcceef21a815d2d862cdd1fe8460cd967873fd7878491158c5d10cb01e008c6390da0846f5ae2d

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

      Filesize

      182KB

      MD5

      f7bfd2cf196edb2c82603acb22813d3e

      SHA1

      fada46efde35c6796e387fff1beb679eef021962

      SHA256

      e6a507687d0a64d48d12fada462a3b3ab059d0c097bb596f78a39679844e1a79

      SHA512

      84fc475a6e9488215948bbe3c718d58d7286e1d3c4dfde5f82fcceef21a815d2d862cdd1fe8460cd967873fd7878491158c5d10cb01e008c6390da0846f5ae2d

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

      Filesize

      182KB

      MD5

      f7bfd2cf196edb2c82603acb22813d3e

      SHA1

      fada46efde35c6796e387fff1beb679eef021962

      SHA256

      e6a507687d0a64d48d12fada462a3b3ab059d0c097bb596f78a39679844e1a79

      SHA512

      84fc475a6e9488215948bbe3c718d58d7286e1d3c4dfde5f82fcceef21a815d2d862cdd1fe8460cd967873fd7878491158c5d10cb01e008c6390da0846f5ae2d

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5b87381bf407d7c6018a8b11c3e20f92

      SHA1

      bb61b28d9c8fd7dfeb13a397c49a1be3abc06ca2

      SHA256

      4785d6a229d0872fe90c75ab620de9a680d7f07ccd27a134da2afc4ee88f34f3

      SHA512

      05db1178f671e9d6c3a1c601349093447b04ebddcd071a06f7cc92cbaf7efb53027bc92523a19372a08ca5af715cc9955649255f8be1909b5e594385b3dcbe3d

    • C:\Windows\hosts.exe

      Filesize

      182KB

      MD5

      6632aa4d7c3ce1b06e745b278c63c62d

      SHA1

      da06a135f356295d1701af7baccb7135762438f4

      SHA256

      173a6c770542b2412246eed44183f141b73a13ec57b555a59d3d1151db5b7a85

      SHA512

      d15c1f2ceedd3ca59a60b54b4594d7a169d68c2cd9a78e6ce0e6457ea427d306c9552fff5ecfad6dc01487199ece151d181b97a36a48da701177d98bb1a76510

    • C:\Windows\hosts.exe

      Filesize

      182KB

      MD5

      6632aa4d7c3ce1b06e745b278c63c62d

      SHA1

      da06a135f356295d1701af7baccb7135762438f4

      SHA256

      173a6c770542b2412246eed44183f141b73a13ec57b555a59d3d1151db5b7a85

      SHA512

      d15c1f2ceedd3ca59a60b54b4594d7a169d68c2cd9a78e6ce0e6457ea427d306c9552fff5ecfad6dc01487199ece151d181b97a36a48da701177d98bb1a76510

    • C:\Windows\hosts.exe

      Filesize

      182KB

      MD5

      6632aa4d7c3ce1b06e745b278c63c62d

      SHA1

      da06a135f356295d1701af7baccb7135762438f4

      SHA256

      173a6c770542b2412246eed44183f141b73a13ec57b555a59d3d1151db5b7a85

      SHA512

      d15c1f2ceedd3ca59a60b54b4594d7a169d68c2cd9a78e6ce0e6457ea427d306c9552fff5ecfad6dc01487199ece151d181b97a36a48da701177d98bb1a76510

    • C:\Windows\hosts.exe

      Filesize

      182KB

      MD5

      6632aa4d7c3ce1b06e745b278c63c62d

      SHA1

      da06a135f356295d1701af7baccb7135762438f4

      SHA256

      173a6c770542b2412246eed44183f141b73a13ec57b555a59d3d1151db5b7a85

      SHA512

      d15c1f2ceedd3ca59a60b54b4594d7a169d68c2cd9a78e6ce0e6457ea427d306c9552fff5ecfad6dc01487199ece151d181b97a36a48da701177d98bb1a76510

    • C:\windows\hosts.exe

      Filesize

      182KB

      MD5

      6632aa4d7c3ce1b06e745b278c63c62d

      SHA1

      da06a135f356295d1701af7baccb7135762438f4

      SHA256

      173a6c770542b2412246eed44183f141b73a13ec57b555a59d3d1151db5b7a85

      SHA512

      d15c1f2ceedd3ca59a60b54b4594d7a169d68c2cd9a78e6ce0e6457ea427d306c9552fff5ecfad6dc01487199ece151d181b97a36a48da701177d98bb1a76510

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/1256-145-0x0000000000000000-mapping.dmp

    • memory/1336-176-0x0000000000000000-mapping.dmp

    • memory/1900-148-0x0000000000000000-mapping.dmp

    • memory/1960-172-0x0000000000000000-mapping.dmp

    • memory/2032-141-0x0000000000000000-mapping.dmp

    • memory/2672-171-0x0000000000000000-mapping.dmp

    • memory/3272-146-0x0000000000000000-mapping.dmp

    • memory/3332-151-0x0000000000000000-mapping.dmp

    • memory/3452-168-0x0000000000000000-mapping.dmp

    • memory/3736-170-0x0000000000000000-mapping.dmp

    • memory/3932-163-0x0000000000000000-mapping.dmp

    • memory/3956-175-0x0000000000000000-mapping.dmp

    • memory/3996-173-0x0000000000000000-mapping.dmp

    • memory/4052-135-0x0000000000000000-mapping.dmp

    • memory/4256-167-0x0000000000000000-mapping.dmp

    • memory/4416-162-0x0000000000000000-mapping.dmp

    • memory/4616-169-0x0000000000000000-mapping.dmp

    • memory/4712-174-0x0000000000000000-mapping.dmp

    • memory/4732-134-0x0000000000000000-mapping.dmp

    • memory/4760-177-0x0000000000000000-mapping.dmp

    • memory/4868-157-0x0000000000000000-mapping.dmp