Analysis

  • max time kernel
    158s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 23:22

General

  • Target

    69b36a82d3902f598ab29915094dbd90d36eef184bd091f66bf1843cf31c0f4a.exe

  • Size

    694KB

  • MD5

    f3accbc6f1e8c05d865202397f647737

  • SHA1

    35477e11477cb21b52737ca3ca08b2df9be9e8d6

  • SHA256

    69b36a82d3902f598ab29915094dbd90d36eef184bd091f66bf1843cf31c0f4a

  • SHA512

    4185d1ad48e9fc551f2111d198539576929f9f5b4cca94e108c5227700d606406cf642941f6975d096d0e560534c08d9b9c2b9065b1e3ba6cb848d3b9521c3c9

  • SSDEEP

    12288:g72bntEDs72bntEDU72bntEDs72bntEDUd:g72zms72zmU72zms72zmY

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\69b36a82d3902f598ab29915094dbd90d36eef184bd091f66bf1843cf31c0f4a.exe
    "C:\Users\Admin\AppData\Local\Temp\69b36a82d3902f598ab29915094dbd90d36eef184bd091f66bf1843cf31c0f4a.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:4672
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:4620
    • 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:4248
      • 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:1836
      • 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:4588
        • 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:2380
          • 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:2500
          • 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:1900
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:1368
            • 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:2264
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1968
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2244
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1592
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1924
        • 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:3052
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1572
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2296
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3608
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3968
    • 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:3968
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1404
      • 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:2292
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      694KB

      MD5

      4340b7cf9eafe9253c67cb9b15400e1e

      SHA1

      8097fcf2dcdb3880eab793335730a22b3644cf37

      SHA256

      c874f1a33338990cfb12a28996ba2826316068252a1a08e86f8f67198d5ff9e0

      SHA512

      a038e7eb1d75f79fd9d4cabcaecba0af09c8a742a3254b7d5378a8edb9665871ca2b64c9494baafbebe2bab47949eca0dd8ab605184e904a9e5754c97284292b

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

      Filesize

      694KB

      MD5

      4340b7cf9eafe9253c67cb9b15400e1e

      SHA1

      8097fcf2dcdb3880eab793335730a22b3644cf37

      SHA256

      c874f1a33338990cfb12a28996ba2826316068252a1a08e86f8f67198d5ff9e0

      SHA512

      a038e7eb1d75f79fd9d4cabcaecba0af09c8a742a3254b7d5378a8edb9665871ca2b64c9494baafbebe2bab47949eca0dd8ab605184e904a9e5754c97284292b

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

      Filesize

      694KB

      MD5

      4340b7cf9eafe9253c67cb9b15400e1e

      SHA1

      8097fcf2dcdb3880eab793335730a22b3644cf37

      SHA256

      c874f1a33338990cfb12a28996ba2826316068252a1a08e86f8f67198d5ff9e0

      SHA512

      a038e7eb1d75f79fd9d4cabcaecba0af09c8a742a3254b7d5378a8edb9665871ca2b64c9494baafbebe2bab47949eca0dd8ab605184e904a9e5754c97284292b

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

      Filesize

      694KB

      MD5

      4340b7cf9eafe9253c67cb9b15400e1e

      SHA1

      8097fcf2dcdb3880eab793335730a22b3644cf37

      SHA256

      c874f1a33338990cfb12a28996ba2826316068252a1a08e86f8f67198d5ff9e0

      SHA512

      a038e7eb1d75f79fd9d4cabcaecba0af09c8a742a3254b7d5378a8edb9665871ca2b64c9494baafbebe2bab47949eca0dd8ab605184e904a9e5754c97284292b

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5f95187376125e68821db0d42b6e0a01

      SHA1

      24db87fd4f2e71873b08b285de3f584ed606bd7d

      SHA256

      f77ac566569872134310abf6755aaf712f96ddf7e544cd73fa03555415676777

      SHA512

      cecd0b1ab60ed7471870c6b5bb90d65b2e833d535f9a91aea96aae50a86e17fb15f23cd49da74d3ab6d50e54de75e02d9727d9b1d9ec2c32e3b80a4183c0a31c

    • C:\Windows\hosts.exe

      Filesize

      694KB

      MD5

      e7696b0f11d1f058062d955152eba6c5

      SHA1

      5056f08ca6fba2a5b688abb98038d345bc57432b

      SHA256

      a12e7fa19b5efac3a020836496fabc0610e4adcd1efe39daa2d211334be5ddd3

      SHA512

      058c861633e7fe7643d97fde19ebab63cb7d22b844fb058e523409233f4854e1e60f78c6457b64e7d983066e3c835c9d4ba8d2585922656b577c68b3bb8837fe

    • C:\Windows\hosts.exe

      Filesize

      694KB

      MD5

      e7696b0f11d1f058062d955152eba6c5

      SHA1

      5056f08ca6fba2a5b688abb98038d345bc57432b

      SHA256

      a12e7fa19b5efac3a020836496fabc0610e4adcd1efe39daa2d211334be5ddd3

      SHA512

      058c861633e7fe7643d97fde19ebab63cb7d22b844fb058e523409233f4854e1e60f78c6457b64e7d983066e3c835c9d4ba8d2585922656b577c68b3bb8837fe

    • C:\Windows\hosts.exe

      Filesize

      694KB

      MD5

      e7696b0f11d1f058062d955152eba6c5

      SHA1

      5056f08ca6fba2a5b688abb98038d345bc57432b

      SHA256

      a12e7fa19b5efac3a020836496fabc0610e4adcd1efe39daa2d211334be5ddd3

      SHA512

      058c861633e7fe7643d97fde19ebab63cb7d22b844fb058e523409233f4854e1e60f78c6457b64e7d983066e3c835c9d4ba8d2585922656b577c68b3bb8837fe

    • C:\Windows\hosts.exe

      Filesize

      694KB

      MD5

      e7696b0f11d1f058062d955152eba6c5

      SHA1

      5056f08ca6fba2a5b688abb98038d345bc57432b

      SHA256

      a12e7fa19b5efac3a020836496fabc0610e4adcd1efe39daa2d211334be5ddd3

      SHA512

      058c861633e7fe7643d97fde19ebab63cb7d22b844fb058e523409233f4854e1e60f78c6457b64e7d983066e3c835c9d4ba8d2585922656b577c68b3bb8837fe

    • C:\windows\hosts.exe

      Filesize

      694KB

      MD5

      e7696b0f11d1f058062d955152eba6c5

      SHA1

      5056f08ca6fba2a5b688abb98038d345bc57432b

      SHA256

      a12e7fa19b5efac3a020836496fabc0610e4adcd1efe39daa2d211334be5ddd3

      SHA512

      058c861633e7fe7643d97fde19ebab63cb7d22b844fb058e523409233f4854e1e60f78c6457b64e7d983066e3c835c9d4ba8d2585922656b577c68b3bb8837fe

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b