Analysis

  • max time kernel
    124s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 17:41

General

  • Target

    67d04e6fb2a0e48ad23fd6444466083e3219ce3aca508063622d380e15cccf94.exe

  • Size

    170KB

  • MD5

    0b00408bbad98cb9f841bfa2ee907cab

  • SHA1

    aec0674fdc5686b67babcc9030561983c50c870e

  • SHA256

    67d04e6fb2a0e48ad23fd6444466083e3219ce3aca508063622d380e15cccf94

  • SHA512

    4a72d8dd919823eb678286dd080beaa86049e36a73c4cd13918f71122faf7f88ac9c4727a491b22a295fddee597adf72c1d39dfd871d048e58104e15d78ebe83

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCmT4k3hsaIeQ0:gDCwfG1bnxM6saBh

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\67d04e6fb2a0e48ad23fd6444466083e3219ce3aca508063622d380e15cccf94.exe
    "C:\Users\Admin\AppData\Local\Temp\67d04e6fb2a0e48ad23fd6444466083e3219ce3aca508063622d380e15cccf94.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:2824
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:3508
    • 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:1936
      • 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:4824
      • 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:4660
        • 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:4788
          • 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:3464
          • 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:1956
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4648
            • 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:4416
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4240
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:444
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4936
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:612
        • 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:4228
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4456
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3828
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2412
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4064
    • 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:2420
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3164
      • 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:2364
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4080

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            Filesize

            170KB

            MD5

            4c2fa27ebdbeea1f9fad44ac49e0a0fe

            SHA1

            f42b32a192289c0e0d8bff17de57375e9b46ba83

            SHA256

            5b5d0f46934e8ec8dc059b5878dead266ea08082aec3f09bf52fdd9ebcd772e4

            SHA512

            b6f1164d16acbce95ac3151e87a30e7d5165d30706041c415e323081439d1289dc5de33ca4bc2ebcacc9083fa7ef457167ab7034a8fb7363a0f1b9144914612e

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

            Filesize

            170KB

            MD5

            4c2fa27ebdbeea1f9fad44ac49e0a0fe

            SHA1

            f42b32a192289c0e0d8bff17de57375e9b46ba83

            SHA256

            5b5d0f46934e8ec8dc059b5878dead266ea08082aec3f09bf52fdd9ebcd772e4

            SHA512

            b6f1164d16acbce95ac3151e87a30e7d5165d30706041c415e323081439d1289dc5de33ca4bc2ebcacc9083fa7ef457167ab7034a8fb7363a0f1b9144914612e

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

            Filesize

            170KB

            MD5

            4c2fa27ebdbeea1f9fad44ac49e0a0fe

            SHA1

            f42b32a192289c0e0d8bff17de57375e9b46ba83

            SHA256

            5b5d0f46934e8ec8dc059b5878dead266ea08082aec3f09bf52fdd9ebcd772e4

            SHA512

            b6f1164d16acbce95ac3151e87a30e7d5165d30706041c415e323081439d1289dc5de33ca4bc2ebcacc9083fa7ef457167ab7034a8fb7363a0f1b9144914612e

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

            Filesize

            170KB

            MD5

            4c2fa27ebdbeea1f9fad44ac49e0a0fe

            SHA1

            f42b32a192289c0e0d8bff17de57375e9b46ba83

            SHA256

            5b5d0f46934e8ec8dc059b5878dead266ea08082aec3f09bf52fdd9ebcd772e4

            SHA512

            b6f1164d16acbce95ac3151e87a30e7d5165d30706041c415e323081439d1289dc5de33ca4bc2ebcacc9083fa7ef457167ab7034a8fb7363a0f1b9144914612e

          • C:\Windows\W_X_C.vbs

            Filesize

            195B

            MD5

            0e0483d4802632100b6bfe8bc2e5d661

            SHA1

            767e0deb7dcaa7676004e6053957c36cecfeeefa

            SHA256

            81bbebb8d0e77ffffbc7b7d24afdcdce4089f4b04d1a12284eda861c25e03f9f

            SHA512

            8279b0559ca30a0adc6c8614870c3e445866c20f0617a7153cab41982b451dfe9ea44478f37b884465235714623ef26a56f5ea3d1cb81767487c494d3703ab29

          • C:\Windows\hosts.exe

            Filesize

            170KB

            MD5

            a9a7f60963b28e7c65d384e3685a8dc0

            SHA1

            32f8b8e6c2e9d692c0a2a56e70947c634c66f962

            SHA256

            8c46b949cefddd175dbc8c7dbde2c949246601181ef8e12fca9de39e9db48a9b

            SHA512

            903c4c85fb3363b0d17f9558feaeb3db957fcc95fb72f379d1f016e38c25a53cbca2567c34100e95fb5111a151c44b9ebfdcae1351ba0662cf143c84df9f968c

          • C:\Windows\hosts.exe

            Filesize

            170KB

            MD5

            a9a7f60963b28e7c65d384e3685a8dc0

            SHA1

            32f8b8e6c2e9d692c0a2a56e70947c634c66f962

            SHA256

            8c46b949cefddd175dbc8c7dbde2c949246601181ef8e12fca9de39e9db48a9b

            SHA512

            903c4c85fb3363b0d17f9558feaeb3db957fcc95fb72f379d1f016e38c25a53cbca2567c34100e95fb5111a151c44b9ebfdcae1351ba0662cf143c84df9f968c

          • C:\Windows\hosts.exe

            Filesize

            170KB

            MD5

            a9a7f60963b28e7c65d384e3685a8dc0

            SHA1

            32f8b8e6c2e9d692c0a2a56e70947c634c66f962

            SHA256

            8c46b949cefddd175dbc8c7dbde2c949246601181ef8e12fca9de39e9db48a9b

            SHA512

            903c4c85fb3363b0d17f9558feaeb3db957fcc95fb72f379d1f016e38c25a53cbca2567c34100e95fb5111a151c44b9ebfdcae1351ba0662cf143c84df9f968c

          • C:\Windows\hosts.exe

            Filesize

            170KB

            MD5

            a9a7f60963b28e7c65d384e3685a8dc0

            SHA1

            32f8b8e6c2e9d692c0a2a56e70947c634c66f962

            SHA256

            8c46b949cefddd175dbc8c7dbde2c949246601181ef8e12fca9de39e9db48a9b

            SHA512

            903c4c85fb3363b0d17f9558feaeb3db957fcc95fb72f379d1f016e38c25a53cbca2567c34100e95fb5111a151c44b9ebfdcae1351ba0662cf143c84df9f968c

          • C:\windows\hosts.exe

            Filesize

            170KB

            MD5

            a9a7f60963b28e7c65d384e3685a8dc0

            SHA1

            32f8b8e6c2e9d692c0a2a56e70947c634c66f962

            SHA256

            8c46b949cefddd175dbc8c7dbde2c949246601181ef8e12fca9de39e9db48a9b

            SHA512

            903c4c85fb3363b0d17f9558feaeb3db957fcc95fb72f379d1f016e38c25a53cbca2567c34100e95fb5111a151c44b9ebfdcae1351ba0662cf143c84df9f968c

          • \??\c:\windows\W_X_C.bat

            Filesize

            336B

            MD5

            4db9f8b6175722b62ececeeeba1ce307

            SHA1

            3b3ba8414706e72a6fa19e884a97b87609e11e47

            SHA256

            d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

            SHA512

            1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b