Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 18:23

General

  • Target

    215e5912e68742d153b50b7afb977682cbbdf10743b18bf5fe3605517e2e922b.exe

  • Size

    241KB

  • MD5

    0f98f79bbde9fedacbea7da9449b7506

  • SHA1

    6a6af4979adad12fde9a9bda7684bbf5ff0de35a

  • SHA256

    215e5912e68742d153b50b7afb977682cbbdf10743b18bf5fe3605517e2e922b

  • SHA512

    764cbf18b073d966fb422beb8c029c923cbc40e50745de5af801ceec5213a863b04e4aaf66fe0e4ba45681567ca04a1796eafcac1e00af50de25d58ec478ae00

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQyMWoe0c8TilDcq1WC6dS:gDCwfG1bnxLERRh5yc8TO91WC6dS

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\215e5912e68742d153b50b7afb977682cbbdf10743b18bf5fe3605517e2e922b.exe
    "C:\Users\Admin\AppData\Local\Temp\215e5912e68742d153b50b7afb977682cbbdf10743b18bf5fe3605517e2e922b.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:4904
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2256
    • 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:944
      • 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:1012
      • 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:2288
        • 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:3732
          • 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:2260
          • 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:3272
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:724
            • 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:4604
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1412
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4320
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:3804
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4964
        • 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:2324
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1992
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2160
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:400
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4520
    • 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:5076
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4976
      • 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:4840
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3972

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      241KB

      MD5

      962c7eba6bdbb72b2598514b4f4ba0c8

      SHA1

      190c003fbacb23ef59391942c34e0ee832c8ef15

      SHA256

      86b15861fc8d7762b7ee0071b3421533b6e0e45dd19e345a74bd12c9aed14084

      SHA512

      d26dbd793e23c63aa128c44500cdc3d124b03e0c5a0f20c6ad1ecc22caa02d4b992276816256bd235c5a9522f00d5f8507b43611bd6aafccc896500edfdaa15e

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

      Filesize

      241KB

      MD5

      962c7eba6bdbb72b2598514b4f4ba0c8

      SHA1

      190c003fbacb23ef59391942c34e0ee832c8ef15

      SHA256

      86b15861fc8d7762b7ee0071b3421533b6e0e45dd19e345a74bd12c9aed14084

      SHA512

      d26dbd793e23c63aa128c44500cdc3d124b03e0c5a0f20c6ad1ecc22caa02d4b992276816256bd235c5a9522f00d5f8507b43611bd6aafccc896500edfdaa15e

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

      Filesize

      241KB

      MD5

      962c7eba6bdbb72b2598514b4f4ba0c8

      SHA1

      190c003fbacb23ef59391942c34e0ee832c8ef15

      SHA256

      86b15861fc8d7762b7ee0071b3421533b6e0e45dd19e345a74bd12c9aed14084

      SHA512

      d26dbd793e23c63aa128c44500cdc3d124b03e0c5a0f20c6ad1ecc22caa02d4b992276816256bd235c5a9522f00d5f8507b43611bd6aafccc896500edfdaa15e

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

      Filesize

      241KB

      MD5

      962c7eba6bdbb72b2598514b4f4ba0c8

      SHA1

      190c003fbacb23ef59391942c34e0ee832c8ef15

      SHA256

      86b15861fc8d7762b7ee0071b3421533b6e0e45dd19e345a74bd12c9aed14084

      SHA512

      d26dbd793e23c63aa128c44500cdc3d124b03e0c5a0f20c6ad1ecc22caa02d4b992276816256bd235c5a9522f00d5f8507b43611bd6aafccc896500edfdaa15e

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      0e0483d4802632100b6bfe8bc2e5d661

      SHA1

      767e0deb7dcaa7676004e6053957c36cecfeeefa

      SHA256

      81bbebb8d0e77ffffbc7b7d24afdcdce4089f4b04d1a12284eda861c25e03f9f

      SHA512

      8279b0559ca30a0adc6c8614870c3e445866c20f0617a7153cab41982b451dfe9ea44478f37b884465235714623ef26a56f5ea3d1cb81767487c494d3703ab29

    • C:\Windows\hosts.exe

      Filesize

      241KB

      MD5

      e4050ca11096ddac6011453660de0f7e

      SHA1

      6d28b66690ed5ff2c0320028184e6d1087546843

      SHA256

      16e35ebab697f5ec64bfab030aea267aa1d2f046021c88291a6e4bb69e5fc0a9

      SHA512

      cd8941a8259b79037e52258f54263979788e0af6808a17bade685c09e1bdb484a5be41bb6ffb477c53b1bc78e5404080f86186a52dfc4a2dd5ed53c14071404f

    • C:\Windows\hosts.exe

      Filesize

      241KB

      MD5

      e4050ca11096ddac6011453660de0f7e

      SHA1

      6d28b66690ed5ff2c0320028184e6d1087546843

      SHA256

      16e35ebab697f5ec64bfab030aea267aa1d2f046021c88291a6e4bb69e5fc0a9

      SHA512

      cd8941a8259b79037e52258f54263979788e0af6808a17bade685c09e1bdb484a5be41bb6ffb477c53b1bc78e5404080f86186a52dfc4a2dd5ed53c14071404f

    • C:\Windows\hosts.exe

      Filesize

      241KB

      MD5

      e4050ca11096ddac6011453660de0f7e

      SHA1

      6d28b66690ed5ff2c0320028184e6d1087546843

      SHA256

      16e35ebab697f5ec64bfab030aea267aa1d2f046021c88291a6e4bb69e5fc0a9

      SHA512

      cd8941a8259b79037e52258f54263979788e0af6808a17bade685c09e1bdb484a5be41bb6ffb477c53b1bc78e5404080f86186a52dfc4a2dd5ed53c14071404f

    • C:\Windows\hosts.exe

      Filesize

      241KB

      MD5

      e4050ca11096ddac6011453660de0f7e

      SHA1

      6d28b66690ed5ff2c0320028184e6d1087546843

      SHA256

      16e35ebab697f5ec64bfab030aea267aa1d2f046021c88291a6e4bb69e5fc0a9

      SHA512

      cd8941a8259b79037e52258f54263979788e0af6808a17bade685c09e1bdb484a5be41bb6ffb477c53b1bc78e5404080f86186a52dfc4a2dd5ed53c14071404f

    • C:\windows\hosts.exe

      Filesize

      241KB

      MD5

      e4050ca11096ddac6011453660de0f7e

      SHA1

      6d28b66690ed5ff2c0320028184e6d1087546843

      SHA256

      16e35ebab697f5ec64bfab030aea267aa1d2f046021c88291a6e4bb69e5fc0a9

      SHA512

      cd8941a8259b79037e52258f54263979788e0af6808a17bade685c09e1bdb484a5be41bb6ffb477c53b1bc78e5404080f86186a52dfc4a2dd5ed53c14071404f

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/400-174-0x0000000000000000-mapping.dmp

    • memory/724-165-0x0000000000000000-mapping.dmp

    • memory/944-135-0x0000000000000000-mapping.dmp

    • memory/1012-141-0x0000000000000000-mapping.dmp

    • memory/1412-171-0x0000000000000000-mapping.dmp

    • memory/1992-170-0x0000000000000000-mapping.dmp

    • memory/2160-172-0x0000000000000000-mapping.dmp

    • memory/2256-134-0x0000000000000000-mapping.dmp

    • memory/2260-154-0x0000000000000000-mapping.dmp

    • memory/2288-145-0x0000000000000000-mapping.dmp

    • memory/2324-163-0x0000000000000000-mapping.dmp

    • memory/3272-162-0x0000000000000000-mapping.dmp

    • memory/3732-148-0x0000000000000000-mapping.dmp

    • memory/3804-175-0x0000000000000000-mapping.dmp

    • memory/4320-173-0x0000000000000000-mapping.dmp

    • memory/4520-176-0x0000000000000000-mapping.dmp

    • memory/4604-169-0x0000000000000000-mapping.dmp

    • memory/4840-164-0x0000000000000000-mapping.dmp

    • memory/4964-177-0x0000000000000000-mapping.dmp

    • memory/4976-153-0x0000000000000000-mapping.dmp

    • memory/5076-146-0x0000000000000000-mapping.dmp