Analysis

  • max time kernel
    124s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 02:31

General

  • Target

    0f82feba9e0a27ad85d50aa679d752be2bbd01a2da26288b0ea910d167dd5d4b.exe

  • Size

    175KB

  • MD5

    72233adb99cb8500659a93deed9d93e7

  • SHA1

    8c5e0775b9315c3815eb1eb4ed7b999499318c1a

  • SHA256

    0f82feba9e0a27ad85d50aa679d752be2bbd01a2da26288b0ea910d167dd5d4b

  • SHA512

    90375e23ac78d0319e3b58c663669c28599fbbfb5fe6f0b727b4525848c0c2d0f787cf4861c87f4de685ea0c1681bf4c4304729efdbf14f78700e3404e6cf207

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCmT47++M4lJiSp:gDCwfG1bnxM6+MIJ1

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\0f82feba9e0a27ad85d50aa679d752be2bbd01a2da26288b0ea910d167dd5d4b.exe
    "C:\Users\Admin\AppData\Local\Temp\0f82feba9e0a27ad85d50aa679d752be2bbd01a2da26288b0ea910d167dd5d4b.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:2228
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2440
    • 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:4124
      • 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:4008
      • 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:1756
        • 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:1096
          • 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:3708
          • 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:4012
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4412
            • 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:4140
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2780
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1776
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1600
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4028
        • 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:2152
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:796
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4988
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:5000
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4160
    • 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:3988
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5104
      • 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:2404
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1740

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      175KB

      MD5

      dfccca897fd0592f51af858f22888565

      SHA1

      218b09b85d94455b3ef753ea5935f131e4af0887

      SHA256

      c2e5c4370d14fc5089df714bba779ccdb926cc6ed89ee6ab87cf1afd615ebaeb

      SHA512

      aae983ab7ee29e8dac8ef1fa20b2529bbd59f1d7232f92566eab57db114b08395fcf1f1e02005cff79fc3bc7773b2ee5c855aff46dc77f193e5d4e6ad4defc3f

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

      Filesize

      175KB

      MD5

      dfccca897fd0592f51af858f22888565

      SHA1

      218b09b85d94455b3ef753ea5935f131e4af0887

      SHA256

      c2e5c4370d14fc5089df714bba779ccdb926cc6ed89ee6ab87cf1afd615ebaeb

      SHA512

      aae983ab7ee29e8dac8ef1fa20b2529bbd59f1d7232f92566eab57db114b08395fcf1f1e02005cff79fc3bc7773b2ee5c855aff46dc77f193e5d4e6ad4defc3f

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

      Filesize

      175KB

      MD5

      dfccca897fd0592f51af858f22888565

      SHA1

      218b09b85d94455b3ef753ea5935f131e4af0887

      SHA256

      c2e5c4370d14fc5089df714bba779ccdb926cc6ed89ee6ab87cf1afd615ebaeb

      SHA512

      aae983ab7ee29e8dac8ef1fa20b2529bbd59f1d7232f92566eab57db114b08395fcf1f1e02005cff79fc3bc7773b2ee5c855aff46dc77f193e5d4e6ad4defc3f

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

      Filesize

      175KB

      MD5

      dfccca897fd0592f51af858f22888565

      SHA1

      218b09b85d94455b3ef753ea5935f131e4af0887

      SHA256

      c2e5c4370d14fc5089df714bba779ccdb926cc6ed89ee6ab87cf1afd615ebaeb

      SHA512

      aae983ab7ee29e8dac8ef1fa20b2529bbd59f1d7232f92566eab57db114b08395fcf1f1e02005cff79fc3bc7773b2ee5c855aff46dc77f193e5d4e6ad4defc3f

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      0e0483d4802632100b6bfe8bc2e5d661

      SHA1

      767e0deb7dcaa7676004e6053957c36cecfeeefa

      SHA256

      81bbebb8d0e77ffffbc7b7d24afdcdce4089f4b04d1a12284eda861c25e03f9f

      SHA512

      8279b0559ca30a0adc6c8614870c3e445866c20f0617a7153cab41982b451dfe9ea44478f37b884465235714623ef26a56f5ea3d1cb81767487c494d3703ab29

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      21ad212380818ba7892abb49040c8a51

      SHA1

      3d1ac318c86229c89b0aa0d4547975b4ebcfcf98

      SHA256

      bd8c9f5bcec5e7dad791bccaeee853d64c625212cd50f86fab3c92e5a8487cb4

      SHA512

      f8923fe465176801bdef98d2bbb502f3175f5afce722da0d92bb74ca339f66db70bce1064c46ca3126201adc7761e5f2a40c37887cfa01e5978df77b8935b5f6

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      21ad212380818ba7892abb49040c8a51

      SHA1

      3d1ac318c86229c89b0aa0d4547975b4ebcfcf98

      SHA256

      bd8c9f5bcec5e7dad791bccaeee853d64c625212cd50f86fab3c92e5a8487cb4

      SHA512

      f8923fe465176801bdef98d2bbb502f3175f5afce722da0d92bb74ca339f66db70bce1064c46ca3126201adc7761e5f2a40c37887cfa01e5978df77b8935b5f6

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      21ad212380818ba7892abb49040c8a51

      SHA1

      3d1ac318c86229c89b0aa0d4547975b4ebcfcf98

      SHA256

      bd8c9f5bcec5e7dad791bccaeee853d64c625212cd50f86fab3c92e5a8487cb4

      SHA512

      f8923fe465176801bdef98d2bbb502f3175f5afce722da0d92bb74ca339f66db70bce1064c46ca3126201adc7761e5f2a40c37887cfa01e5978df77b8935b5f6

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      21ad212380818ba7892abb49040c8a51

      SHA1

      3d1ac318c86229c89b0aa0d4547975b4ebcfcf98

      SHA256

      bd8c9f5bcec5e7dad791bccaeee853d64c625212cd50f86fab3c92e5a8487cb4

      SHA512

      f8923fe465176801bdef98d2bbb502f3175f5afce722da0d92bb74ca339f66db70bce1064c46ca3126201adc7761e5f2a40c37887cfa01e5978df77b8935b5f6

    • C:\windows\hosts.exe

      Filesize

      175KB

      MD5

      21ad212380818ba7892abb49040c8a51

      SHA1

      3d1ac318c86229c89b0aa0d4547975b4ebcfcf98

      SHA256

      bd8c9f5bcec5e7dad791bccaeee853d64c625212cd50f86fab3c92e5a8487cb4

      SHA512

      f8923fe465176801bdef98d2bbb502f3175f5afce722da0d92bb74ca339f66db70bce1064c46ca3126201adc7761e5f2a40c37887cfa01e5978df77b8935b5f6

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/796-170-0x0000000000000000-mapping.dmp

    • memory/1096-148-0x0000000000000000-mapping.dmp

    • memory/1600-175-0x0000000000000000-mapping.dmp

    • memory/1756-145-0x0000000000000000-mapping.dmp

    • memory/1776-173-0x0000000000000000-mapping.dmp

    • memory/2152-163-0x0000000000000000-mapping.dmp

    • memory/2404-164-0x0000000000000000-mapping.dmp

    • memory/2440-134-0x0000000000000000-mapping.dmp

    • memory/2780-171-0x0000000000000000-mapping.dmp

    • memory/3708-157-0x0000000000000000-mapping.dmp

    • memory/3988-146-0x0000000000000000-mapping.dmp

    • memory/4008-141-0x0000000000000000-mapping.dmp

    • memory/4012-161-0x0000000000000000-mapping.dmp

    • memory/4028-177-0x0000000000000000-mapping.dmp

    • memory/4124-135-0x0000000000000000-mapping.dmp

    • memory/4140-169-0x0000000000000000-mapping.dmp

    • memory/4160-176-0x0000000000000000-mapping.dmp

    • memory/4412-165-0x0000000000000000-mapping.dmp

    • memory/4988-172-0x0000000000000000-mapping.dmp

    • memory/5000-174-0x0000000000000000-mapping.dmp

    • memory/5104-149-0x0000000000000000-mapping.dmp