Analysis

  • max time kernel
    157s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 13:07

General

  • Target

    9dde13c851ee3f5bf3cbbb4366507c7eacf6c9ada3eebfa9819e7e213fd46d5c.exe

  • Size

    181KB

  • MD5

    08b41669478b1edc333b21301c79a09a

  • SHA1

    26c1bbdfe6dacfc231e078d78c47a12c36db5aed

  • SHA256

    9dde13c851ee3f5bf3cbbb4366507c7eacf6c9ada3eebfa9819e7e213fd46d5c

  • SHA512

    8a36ebfe8286eaea5be3787927f5de9c795777b240074ac9fc5cd9d3def7df6c23da13e1edfc0a1b236b3516898ca31f1965dced491d46a29681da6cbb3786a3

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQ8muy8JU:gDCwfG1bnxLERREr8q

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\9dde13c851ee3f5bf3cbbb4366507c7eacf6c9ada3eebfa9819e7e213fd46d5c.exe
    "C:\Users\Admin\AppData\Local\Temp\9dde13c851ee3f5bf3cbbb4366507c7eacf6c9ada3eebfa9819e7e213fd46d5c.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:3868
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:3360
    • 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:4108
      • 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:3444
      • 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:548
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4728
        • 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:2016
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:5080
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4272
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3220
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1132
    • 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:2136
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • 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:4852
        • C:\Users\Admin\AppData\Local\Temp\avscan.exe
          C:\Users\Admin\AppData\Local\Temp\avscan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2756
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1472
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4244
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
            5⤵
            • Adds policy Run key to start application
            PID:3928
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1428
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1292
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2548
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1544
      • 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:4676
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2920

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      181KB

      MD5

      ac8db135674d7e93e54dd2a8541eab0d

      SHA1

      c88b2287f00aebb7341c4029b3baf310d75e6d8c

      SHA256

      64988317ada321a3266219a3b75d12fc63a23097301afd84a4395d3bf4bd6cdc

      SHA512

      942dfd4d7c88a5a8315cdc653f2119f6dbf1e2713993c971cc3791ade8f3b2b19cd2c42c024cc19c44854459e2c0971daf282b436fd1ebf9cdcbd92e5b865ed7

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

      Filesize

      181KB

      MD5

      ac8db135674d7e93e54dd2a8541eab0d

      SHA1

      c88b2287f00aebb7341c4029b3baf310d75e6d8c

      SHA256

      64988317ada321a3266219a3b75d12fc63a23097301afd84a4395d3bf4bd6cdc

      SHA512

      942dfd4d7c88a5a8315cdc653f2119f6dbf1e2713993c971cc3791ade8f3b2b19cd2c42c024cc19c44854459e2c0971daf282b436fd1ebf9cdcbd92e5b865ed7

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

      Filesize

      181KB

      MD5

      ac8db135674d7e93e54dd2a8541eab0d

      SHA1

      c88b2287f00aebb7341c4029b3baf310d75e6d8c

      SHA256

      64988317ada321a3266219a3b75d12fc63a23097301afd84a4395d3bf4bd6cdc

      SHA512

      942dfd4d7c88a5a8315cdc653f2119f6dbf1e2713993c971cc3791ade8f3b2b19cd2c42c024cc19c44854459e2c0971daf282b436fd1ebf9cdcbd92e5b865ed7

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

      Filesize

      181KB

      MD5

      ac8db135674d7e93e54dd2a8541eab0d

      SHA1

      c88b2287f00aebb7341c4029b3baf310d75e6d8c

      SHA256

      64988317ada321a3266219a3b75d12fc63a23097301afd84a4395d3bf4bd6cdc

      SHA512

      942dfd4d7c88a5a8315cdc653f2119f6dbf1e2713993c971cc3791ade8f3b2b19cd2c42c024cc19c44854459e2c0971daf282b436fd1ebf9cdcbd92e5b865ed7

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5b87381bf407d7c6018a8b11c3e20f92

      SHA1

      bb61b28d9c8fd7dfeb13a397c49a1be3abc06ca2

      SHA256

      4785d6a229d0872fe90c75ab620de9a680d7f07ccd27a134da2afc4ee88f34f3

      SHA512

      05db1178f671e9d6c3a1c601349093447b04ebddcd071a06f7cc92cbaf7efb53027bc92523a19372a08ca5af715cc9955649255f8be1909b5e594385b3dcbe3d

    • C:\Windows\hosts.exe

      Filesize

      181KB

      MD5

      5c8b559d57c4057e179f656b67725ec7

      SHA1

      09a44ee878353bdb705927e20054f505d9cc9afd

      SHA256

      aa4418a0483b617f3466775d9019c03ce22d8f044976a87a74a9ccaf0c1b6608

      SHA512

      2688bbbcde307f1dfadeb95af1df4970f5c0d34cad5c7fddc02e4207f86dba9ecb3de12a371a72f89d745862985c2d9316f1c71b9f97e1a1a1765d22f4e11545

    • C:\Windows\hosts.exe

      Filesize

      181KB

      MD5

      5c8b559d57c4057e179f656b67725ec7

      SHA1

      09a44ee878353bdb705927e20054f505d9cc9afd

      SHA256

      aa4418a0483b617f3466775d9019c03ce22d8f044976a87a74a9ccaf0c1b6608

      SHA512

      2688bbbcde307f1dfadeb95af1df4970f5c0d34cad5c7fddc02e4207f86dba9ecb3de12a371a72f89d745862985c2d9316f1c71b9f97e1a1a1765d22f4e11545

    • C:\Windows\hosts.exe

      Filesize

      181KB

      MD5

      5c8b559d57c4057e179f656b67725ec7

      SHA1

      09a44ee878353bdb705927e20054f505d9cc9afd

      SHA256

      aa4418a0483b617f3466775d9019c03ce22d8f044976a87a74a9ccaf0c1b6608

      SHA512

      2688bbbcde307f1dfadeb95af1df4970f5c0d34cad5c7fddc02e4207f86dba9ecb3de12a371a72f89d745862985c2d9316f1c71b9f97e1a1a1765d22f4e11545

    • C:\Windows\hosts.exe

      Filesize

      181KB

      MD5

      5c8b559d57c4057e179f656b67725ec7

      SHA1

      09a44ee878353bdb705927e20054f505d9cc9afd

      SHA256

      aa4418a0483b617f3466775d9019c03ce22d8f044976a87a74a9ccaf0c1b6608

      SHA512

      2688bbbcde307f1dfadeb95af1df4970f5c0d34cad5c7fddc02e4207f86dba9ecb3de12a371a72f89d745862985c2d9316f1c71b9f97e1a1a1765d22f4e11545

    • C:\windows\hosts.exe

      Filesize

      181KB

      MD5

      5c8b559d57c4057e179f656b67725ec7

      SHA1

      09a44ee878353bdb705927e20054f505d9cc9afd

      SHA256

      aa4418a0483b617f3466775d9019c03ce22d8f044976a87a74a9ccaf0c1b6608

      SHA512

      2688bbbcde307f1dfadeb95af1df4970f5c0d34cad5c7fddc02e4207f86dba9ecb3de12a371a72f89d745862985c2d9316f1c71b9f97e1a1a1765d22f4e11545

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b