Analysis

  • max time kernel
    144s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 18:22

General

  • Target

    379e0a281a1fe1de0a5558f52c5f4ec7f69ec89c1226b1610ee5afe1a9744687.exe

  • Size

    220KB

  • MD5

    0d4742b26606392e5a23cb9b353eff9f

  • SHA1

    315cd20fef7b567c8369f022d2805d416615d82b

  • SHA256

    379e0a281a1fe1de0a5558f52c5f4ec7f69ec89c1226b1610ee5afe1a9744687

  • SHA512

    7d5de0e7dd077e9fc50fa612fb122296ad051ab73ce57f6bfd4cbe6d6cbfb4452d142ad501e57f4a25f0c9c25b605d31260820216bb40e67518c9bf81aea2a4b

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQB17lgVUInUMEqvbuSDxh:gDCwfG1bnxLERRMlmjU7qvySDxh

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\379e0a281a1fe1de0a5558f52c5f4ec7f69ec89c1226b1610ee5afe1a9744687.exe
    "C:\Users\Admin\AppData\Local\Temp\379e0a281a1fe1de0a5558f52c5f4ec7f69ec89c1226b1610ee5afe1a9744687.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:4852
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:4664
    • 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:2628
      • 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:4668
      • 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:3272
          • 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:4484
          • 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:1056
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:216
            • 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:3736
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1540
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:3128
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2340
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:664
        • 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:3092
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3376
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3196
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4604
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4500
    • 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:4688
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3444
      • 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:3928
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5012

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            220KB

            MD5

            8a783c90431eeaf0289e74b84f04719d

            SHA1

            6ee4cec62df4f8a046800d83b9090b4310637cf2

            SHA256

            6282d28be540066032fea6bd069277560bf99123a0d46e4955000afd252344dc

            SHA512

            543ef92b1ee48fefdd005f558277d6f7be8f652f17b524bed945a78b2098dc58cb56f480738aceb34845dc084e767ea87161afdf710e706c3a0ddffc84c36d8e

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

            Filesize

            220KB

            MD5

            8a783c90431eeaf0289e74b84f04719d

            SHA1

            6ee4cec62df4f8a046800d83b9090b4310637cf2

            SHA256

            6282d28be540066032fea6bd069277560bf99123a0d46e4955000afd252344dc

            SHA512

            543ef92b1ee48fefdd005f558277d6f7be8f652f17b524bed945a78b2098dc58cb56f480738aceb34845dc084e767ea87161afdf710e706c3a0ddffc84c36d8e

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

            Filesize

            220KB

            MD5

            8a783c90431eeaf0289e74b84f04719d

            SHA1

            6ee4cec62df4f8a046800d83b9090b4310637cf2

            SHA256

            6282d28be540066032fea6bd069277560bf99123a0d46e4955000afd252344dc

            SHA512

            543ef92b1ee48fefdd005f558277d6f7be8f652f17b524bed945a78b2098dc58cb56f480738aceb34845dc084e767ea87161afdf710e706c3a0ddffc84c36d8e

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

            Filesize

            220KB

            MD5

            8a783c90431eeaf0289e74b84f04719d

            SHA1

            6ee4cec62df4f8a046800d83b9090b4310637cf2

            SHA256

            6282d28be540066032fea6bd069277560bf99123a0d46e4955000afd252344dc

            SHA512

            543ef92b1ee48fefdd005f558277d6f7be8f652f17b524bed945a78b2098dc58cb56f480738aceb34845dc084e767ea87161afdf710e706c3a0ddffc84c36d8e

          • C:\Windows\W_X_C.vbs

            Filesize

            195B

            MD5

            c35f93e634b81f2cb003c72a1fb9d1f2

            SHA1

            9b6c533eebab7958e9e167ab93a412d5411c7a89

            SHA256

            6afae199db9be5b7c4c5dac778ec8c45051666d11f93dd93c1700beb20e1136f

            SHA512

            5cc512763da54bc66ffff42e02dc28ad9cda03e46a8b9181425c619815fb7c7afe3a71fc73742e151e26de7a21ade101e59d6853fe70b7d99ea93195325c010d

          • C:\Windows\hosts.exe

            Filesize

            220KB

            MD5

            974f6c6900654dcc863be63082d71e76

            SHA1

            a9c07a96aa5d49198910fbc60ed9bdb6d93cc26d

            SHA256

            359d13afe53ab83c001b1d3cb2a49ee063455d56b45a5f0aaa3e897a9a63dcaa

            SHA512

            a0fed57547e09226fa86995440dce961072f78bd2c71e6934ad301d5501bdc465ded179f387134a4a056470d8d8995b7e2314277ff4da3b67a8f724f280b2c64

          • C:\Windows\hosts.exe

            Filesize

            220KB

            MD5

            974f6c6900654dcc863be63082d71e76

            SHA1

            a9c07a96aa5d49198910fbc60ed9bdb6d93cc26d

            SHA256

            359d13afe53ab83c001b1d3cb2a49ee063455d56b45a5f0aaa3e897a9a63dcaa

            SHA512

            a0fed57547e09226fa86995440dce961072f78bd2c71e6934ad301d5501bdc465ded179f387134a4a056470d8d8995b7e2314277ff4da3b67a8f724f280b2c64

          • C:\Windows\hosts.exe

            Filesize

            220KB

            MD5

            974f6c6900654dcc863be63082d71e76

            SHA1

            a9c07a96aa5d49198910fbc60ed9bdb6d93cc26d

            SHA256

            359d13afe53ab83c001b1d3cb2a49ee063455d56b45a5f0aaa3e897a9a63dcaa

            SHA512

            a0fed57547e09226fa86995440dce961072f78bd2c71e6934ad301d5501bdc465ded179f387134a4a056470d8d8995b7e2314277ff4da3b67a8f724f280b2c64

          • C:\Windows\hosts.exe

            Filesize

            220KB

            MD5

            974f6c6900654dcc863be63082d71e76

            SHA1

            a9c07a96aa5d49198910fbc60ed9bdb6d93cc26d

            SHA256

            359d13afe53ab83c001b1d3cb2a49ee063455d56b45a5f0aaa3e897a9a63dcaa

            SHA512

            a0fed57547e09226fa86995440dce961072f78bd2c71e6934ad301d5501bdc465ded179f387134a4a056470d8d8995b7e2314277ff4da3b67a8f724f280b2c64

          • C:\windows\hosts.exe

            Filesize

            220KB

            MD5

            974f6c6900654dcc863be63082d71e76

            SHA1

            a9c07a96aa5d49198910fbc60ed9bdb6d93cc26d

            SHA256

            359d13afe53ab83c001b1d3cb2a49ee063455d56b45a5f0aaa3e897a9a63dcaa

            SHA512

            a0fed57547e09226fa86995440dce961072f78bd2c71e6934ad301d5501bdc465ded179f387134a4a056470d8d8995b7e2314277ff4da3b67a8f724f280b2c64

          • \??\c:\windows\W_X_C.bat

            Filesize

            336B

            MD5

            4db9f8b6175722b62ececeeeba1ce307

            SHA1

            3b3ba8414706e72a6fa19e884a97b87609e11e47

            SHA256

            d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

            SHA512

            1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b