Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 19:05

General

  • Target

    0bcfe293546a8fcb666ba389bb0b9ac7eca8ebba077cc067ef8678921c2213b1.exe

  • Size

    169KB

  • MD5

    2599b6a960521a31e699d7be199fa13b

  • SHA1

    14d7fdc40271c2e29742b677ff17c1601e0f9add

  • SHA256

    0bcfe293546a8fcb666ba389bb0b9ac7eca8ebba077cc067ef8678921c2213b1

  • SHA512

    81fbde0213fc1ddb4b262b41670bf9bd9e40b0a6d50919efcdee3985c50d1d095a4d2d5687ce5c0a97d6776a4294da6824733f6ee3d5137ac2f2aab8909a8a21

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DERzU3B:gDCwfG1bnxLERI

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 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bcfe293546a8fcb666ba389bb0b9ac7eca8ebba077cc067ef8678921c2213b1.exe
    "C:\Users\Admin\AppData\Local\Temp\0bcfe293546a8fcb666ba389bb0b9ac7eca8ebba077cc067ef8678921c2213b1.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 behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2432
    • 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:4800
      • 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:4260
      • 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:1460
        • 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:4092
          • 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:4824
          • 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:3860
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4452
            • 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:4532
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1424
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4572
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:432
        • 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:3176
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:540
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4656
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3932
    • 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:1400
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:100
      • 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:620
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4888

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      169KB

      MD5

      90a28ff35fbc726475027934535508cb

      SHA1

      d6f5d52ff7ee6bfbbced68724755a0791e9c563e

      SHA256

      088124276a2161922a2777810c48e251de6ff94267e2494c3039c232b777b0d4

      SHA512

      9b7c4dcd7b897f739266c9b1fd76149b1d4b537896186c8d6a865f81637fc2d90049e8223c02619a2e64ec5902aad719a98ad6d6e7f454e2d24396566893faf6

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

      Filesize

      169KB

      MD5

      90a28ff35fbc726475027934535508cb

      SHA1

      d6f5d52ff7ee6bfbbced68724755a0791e9c563e

      SHA256

      088124276a2161922a2777810c48e251de6ff94267e2494c3039c232b777b0d4

      SHA512

      9b7c4dcd7b897f739266c9b1fd76149b1d4b537896186c8d6a865f81637fc2d90049e8223c02619a2e64ec5902aad719a98ad6d6e7f454e2d24396566893faf6

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

      Filesize

      169KB

      MD5

      90a28ff35fbc726475027934535508cb

      SHA1

      d6f5d52ff7ee6bfbbced68724755a0791e9c563e

      SHA256

      088124276a2161922a2777810c48e251de6ff94267e2494c3039c232b777b0d4

      SHA512

      9b7c4dcd7b897f739266c9b1fd76149b1d4b537896186c8d6a865f81637fc2d90049e8223c02619a2e64ec5902aad719a98ad6d6e7f454e2d24396566893faf6

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

      Filesize

      169KB

      MD5

      90a28ff35fbc726475027934535508cb

      SHA1

      d6f5d52ff7ee6bfbbced68724755a0791e9c563e

      SHA256

      088124276a2161922a2777810c48e251de6ff94267e2494c3039c232b777b0d4

      SHA512

      9b7c4dcd7b897f739266c9b1fd76149b1d4b537896186c8d6a865f81637fc2d90049e8223c02619a2e64ec5902aad719a98ad6d6e7f454e2d24396566893faf6

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5b87381bf407d7c6018a8b11c3e20f92

      SHA1

      bb61b28d9c8fd7dfeb13a397c49a1be3abc06ca2

      SHA256

      4785d6a229d0872fe90c75ab620de9a680d7f07ccd27a134da2afc4ee88f34f3

      SHA512

      05db1178f671e9d6c3a1c601349093447b04ebddcd071a06f7cc92cbaf7efb53027bc92523a19372a08ca5af715cc9955649255f8be1909b5e594385b3dcbe3d

    • C:\Windows\hosts.exe

      Filesize

      169KB

      MD5

      7cc265588c19ba9bbb2c66f76b0b645f

      SHA1

      937aa02d4d385f7074a78095133900c703135076

      SHA256

      9b7b419d08c726532d9cb895ec0a61f2ae590f47102a991730f1931cee3ffb4c

      SHA512

      72c377be678ca0516f7d5bb6dfac729bf5ff3842f92237dcae6d7a233fd31ea184c68ebdb03869f58fb1779c54e8912bff91e20d22dbfe649cc756e7d2587d53

    • C:\Windows\hosts.exe

      Filesize

      169KB

      MD5

      7cc265588c19ba9bbb2c66f76b0b645f

      SHA1

      937aa02d4d385f7074a78095133900c703135076

      SHA256

      9b7b419d08c726532d9cb895ec0a61f2ae590f47102a991730f1931cee3ffb4c

      SHA512

      72c377be678ca0516f7d5bb6dfac729bf5ff3842f92237dcae6d7a233fd31ea184c68ebdb03869f58fb1779c54e8912bff91e20d22dbfe649cc756e7d2587d53

    • C:\Windows\hosts.exe

      Filesize

      169KB

      MD5

      7cc265588c19ba9bbb2c66f76b0b645f

      SHA1

      937aa02d4d385f7074a78095133900c703135076

      SHA256

      9b7b419d08c726532d9cb895ec0a61f2ae590f47102a991730f1931cee3ffb4c

      SHA512

      72c377be678ca0516f7d5bb6dfac729bf5ff3842f92237dcae6d7a233fd31ea184c68ebdb03869f58fb1779c54e8912bff91e20d22dbfe649cc756e7d2587d53

    • C:\Windows\hosts.exe

      Filesize

      169KB

      MD5

      7cc265588c19ba9bbb2c66f76b0b645f

      SHA1

      937aa02d4d385f7074a78095133900c703135076

      SHA256

      9b7b419d08c726532d9cb895ec0a61f2ae590f47102a991730f1931cee3ffb4c

      SHA512

      72c377be678ca0516f7d5bb6dfac729bf5ff3842f92237dcae6d7a233fd31ea184c68ebdb03869f58fb1779c54e8912bff91e20d22dbfe649cc756e7d2587d53

    • C:\windows\hosts.exe

      Filesize

      169KB

      MD5

      7cc265588c19ba9bbb2c66f76b0b645f

      SHA1

      937aa02d4d385f7074a78095133900c703135076

      SHA256

      9b7b419d08c726532d9cb895ec0a61f2ae590f47102a991730f1931cee3ffb4c

      SHA512

      72c377be678ca0516f7d5bb6dfac729bf5ff3842f92237dcae6d7a233fd31ea184c68ebdb03869f58fb1779c54e8912bff91e20d22dbfe649cc756e7d2587d53

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/100-149-0x0000000000000000-mapping.dmp

    • memory/432-175-0x0000000000000000-mapping.dmp

    • memory/540-170-0x0000000000000000-mapping.dmp

    • memory/620-169-0x0000000000000000-mapping.dmp

    • memory/1400-146-0x0000000000000000-mapping.dmp

    • memory/1424-171-0x0000000000000000-mapping.dmp

    • memory/1460-145-0x0000000000000000-mapping.dmp

    • memory/2432-134-0x0000000000000000-mapping.dmp

    • memory/3176-168-0x0000000000000000-mapping.dmp

    • memory/3860-161-0x0000000000000000-mapping.dmp

    • memory/3932-174-0x0000000000000000-mapping.dmp

    • memory/4092-148-0x0000000000000000-mapping.dmp

    • memory/4260-141-0x0000000000000000-mapping.dmp

    • memory/4452-163-0x0000000000000000-mapping.dmp

    • memory/4532-167-0x0000000000000000-mapping.dmp

    • memory/4572-172-0x0000000000000000-mapping.dmp

    • memory/4656-173-0x0000000000000000-mapping.dmp

    • memory/4800-135-0x0000000000000000-mapping.dmp

    • memory/4824-156-0x0000000000000000-mapping.dmp