Analysis

  • max time kernel
    126s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 15:12

General

  • Target

    9b5b96b9118e07afe09f079329d08842b30f27bf5f4161ee37d7a2b1808fa312.exe

  • Size

    172KB

  • MD5

    96daa9c1be2b4e3631d38115656e239b

  • SHA1

    d5a8322d7a597ccc3b41ec1d1626e1f603b83563

  • SHA256

    9b5b96b9118e07afe09f079329d08842b30f27bf5f4161ee37d7a2b1808fa312

  • SHA512

    0c5e6b635741541d85937c066a611fad760716b233dd255c53efc8b22889649078d0f3707abf0a32351fcb21332181db2e82d4adeaea0e0d6010d305c62026e2

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DELU3Jmd:gDCwfG1bnxLEXd

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\9b5b96b9118e07afe09f079329d08842b30f27bf5f4161ee37d7a2b1808fa312.exe
    "C:\Users\Admin\AppData\Local\Temp\9b5b96b9118e07afe09f079329d08842b30f27bf5f4161ee37d7a2b1808fa312.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:4956
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:4380
    • 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:456
      • 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:1580
      • 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:4880
        • 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:2640
          • 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:4704
          • 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:1412
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:3776
            • 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:4676
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:3056
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2208
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1796
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2700
        • 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:3416
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4648
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3804
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3800
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3336
    • 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:4604
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4736
      • 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:176
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5048

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      172KB

      MD5

      896d1f1f682bed8e3683750ce717d6ae

      SHA1

      929d4a4387edcd2556fbae08ed4ce6e37924df34

      SHA256

      eb3d7fdfb112cf3783eaea223dc9cd89b55493e177844388e9664cd7c3158e97

      SHA512

      d2ba74889e8eece8c4c7bb5811a77805e093821adc466a2fe529c30ca7d36b1aab3b44c71972316315821e2d82a8a38db684ce6d8d18001dfed189009f8e600c

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

      Filesize

      172KB

      MD5

      896d1f1f682bed8e3683750ce717d6ae

      SHA1

      929d4a4387edcd2556fbae08ed4ce6e37924df34

      SHA256

      eb3d7fdfb112cf3783eaea223dc9cd89b55493e177844388e9664cd7c3158e97

      SHA512

      d2ba74889e8eece8c4c7bb5811a77805e093821adc466a2fe529c30ca7d36b1aab3b44c71972316315821e2d82a8a38db684ce6d8d18001dfed189009f8e600c

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

      Filesize

      172KB

      MD5

      896d1f1f682bed8e3683750ce717d6ae

      SHA1

      929d4a4387edcd2556fbae08ed4ce6e37924df34

      SHA256

      eb3d7fdfb112cf3783eaea223dc9cd89b55493e177844388e9664cd7c3158e97

      SHA512

      d2ba74889e8eece8c4c7bb5811a77805e093821adc466a2fe529c30ca7d36b1aab3b44c71972316315821e2d82a8a38db684ce6d8d18001dfed189009f8e600c

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

      Filesize

      172KB

      MD5

      896d1f1f682bed8e3683750ce717d6ae

      SHA1

      929d4a4387edcd2556fbae08ed4ce6e37924df34

      SHA256

      eb3d7fdfb112cf3783eaea223dc9cd89b55493e177844388e9664cd7c3158e97

      SHA512

      d2ba74889e8eece8c4c7bb5811a77805e093821adc466a2fe529c30ca7d36b1aab3b44c71972316315821e2d82a8a38db684ce6d8d18001dfed189009f8e600c

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5b87381bf407d7c6018a8b11c3e20f92

      SHA1

      bb61b28d9c8fd7dfeb13a397c49a1be3abc06ca2

      SHA256

      4785d6a229d0872fe90c75ab620de9a680d7f07ccd27a134da2afc4ee88f34f3

      SHA512

      05db1178f671e9d6c3a1c601349093447b04ebddcd071a06f7cc92cbaf7efb53027bc92523a19372a08ca5af715cc9955649255f8be1909b5e594385b3dcbe3d

    • C:\Windows\hosts.exe

      Filesize

      172KB

      MD5

      469faf9cfc6c0798f46fefcc0fd68314

      SHA1

      e325f786aafec06e8d86d85ffda657bbd3254f15

      SHA256

      9e43458be9079075ab5043ff15df366971a6aa44c512d746967fb1c3c7ac3476

      SHA512

      2140dcee889e302d5e1d0ee422477f032cb64a1afc855bab4a14f2c93aa1eaaf109767b7d96eb92e86f85909479c32704f513b4679d878be54e5943661096b44

    • C:\Windows\hosts.exe

      Filesize

      172KB

      MD5

      469faf9cfc6c0798f46fefcc0fd68314

      SHA1

      e325f786aafec06e8d86d85ffda657bbd3254f15

      SHA256

      9e43458be9079075ab5043ff15df366971a6aa44c512d746967fb1c3c7ac3476

      SHA512

      2140dcee889e302d5e1d0ee422477f032cb64a1afc855bab4a14f2c93aa1eaaf109767b7d96eb92e86f85909479c32704f513b4679d878be54e5943661096b44

    • C:\Windows\hosts.exe

      Filesize

      172KB

      MD5

      469faf9cfc6c0798f46fefcc0fd68314

      SHA1

      e325f786aafec06e8d86d85ffda657bbd3254f15

      SHA256

      9e43458be9079075ab5043ff15df366971a6aa44c512d746967fb1c3c7ac3476

      SHA512

      2140dcee889e302d5e1d0ee422477f032cb64a1afc855bab4a14f2c93aa1eaaf109767b7d96eb92e86f85909479c32704f513b4679d878be54e5943661096b44

    • C:\Windows\hosts.exe

      Filesize

      172KB

      MD5

      469faf9cfc6c0798f46fefcc0fd68314

      SHA1

      e325f786aafec06e8d86d85ffda657bbd3254f15

      SHA256

      9e43458be9079075ab5043ff15df366971a6aa44c512d746967fb1c3c7ac3476

      SHA512

      2140dcee889e302d5e1d0ee422477f032cb64a1afc855bab4a14f2c93aa1eaaf109767b7d96eb92e86f85909479c32704f513b4679d878be54e5943661096b44

    • C:\windows\hosts.exe

      Filesize

      172KB

      MD5

      469faf9cfc6c0798f46fefcc0fd68314

      SHA1

      e325f786aafec06e8d86d85ffda657bbd3254f15

      SHA256

      9e43458be9079075ab5043ff15df366971a6aa44c512d746967fb1c3c7ac3476

      SHA512

      2140dcee889e302d5e1d0ee422477f032cb64a1afc855bab4a14f2c93aa1eaaf109767b7d96eb92e86f85909479c32704f513b4679d878be54e5943661096b44

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/176-167-0x0000000000000000-mapping.dmp

    • memory/456-135-0x0000000000000000-mapping.dmp

    • memory/1412-161-0x0000000000000000-mapping.dmp

    • memory/1580-141-0x0000000000000000-mapping.dmp

    • memory/1796-175-0x0000000000000000-mapping.dmp

    • memory/2208-173-0x0000000000000000-mapping.dmp

    • memory/2640-148-0x0000000000000000-mapping.dmp

    • memory/2700-177-0x0000000000000000-mapping.dmp

    • memory/3056-171-0x0000000000000000-mapping.dmp

    • memory/3336-176-0x0000000000000000-mapping.dmp

    • memory/3416-168-0x0000000000000000-mapping.dmp

    • memory/3776-163-0x0000000000000000-mapping.dmp

    • memory/3800-174-0x0000000000000000-mapping.dmp

    • memory/3804-172-0x0000000000000000-mapping.dmp

    • memory/4380-134-0x0000000000000000-mapping.dmp

    • memory/4604-146-0x0000000000000000-mapping.dmp

    • memory/4648-170-0x0000000000000000-mapping.dmp

    • memory/4676-169-0x0000000000000000-mapping.dmp

    • memory/4704-155-0x0000000000000000-mapping.dmp

    • memory/4736-153-0x0000000000000000-mapping.dmp

    • memory/4880-145-0x0000000000000000-mapping.dmp