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Analysis

  • max time kernel
    125s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 13:08

General

  • Target

    7824c05703ad4666728b8eab9a86dffb4803185e5f7428ffabea682dc8e16bde.exe

  • Size

    179KB

  • MD5

    0ea35c285df718f07ae76eb2ba5dc1ab

  • SHA1

    31f7406913ae32cf41337c63ba4d58740dd5a062

  • SHA256

    7824c05703ad4666728b8eab9a86dffb4803185e5f7428ffabea682dc8e16bde

  • SHA512

    9e29f03f2c7c3293634b2ff1fa86bc5b631492cad1aebbf07b550b8bbf0bd9e22d0e7f2660ec5bee5d3ebe69f5788092614aa6180a076f58a8742ca624701563

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQSRuy8Jy:gDCwfG1bnxLERRLRr8Y

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\7824c05703ad4666728b8eab9a86dffb4803185e5f7428ffabea682dc8e16bde.exe
    "C:\Users\Admin\AppData\Local\Temp\7824c05703ad4666728b8eab9a86dffb4803185e5f7428ffabea682dc8e16bde.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:5080
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2100
    • 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:4260
      • 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:2784
      • 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:4232
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:376
        • 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:2288
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1932
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2356
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3312
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2028
    • 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:3496
      • 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:1668
        • 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:4964
        • 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:4928
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2464
          • 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:3020
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3016
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3492
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3136
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:4544
      • 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:2944
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4920

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      179KB

      MD5

      046de5194e5c76a0fe53896472dccc2b

      SHA1

      db8cf5a05bbf8c8708aebf187ab192a0d24612bf

      SHA256

      2f2fd12f22a8c50216fb314377e039092c6c6ab40fc213183914ea8cfd26461f

      SHA512

      8c2763b0c9509c8f2cda8de972215506c2f7391d90e1fbde5d73051b2464c1cd56e134b773e8aa6f29150fe5371ecc12d246b58a5da8b0ac806e70ff796ced7f

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

      Filesize

      179KB

      MD5

      046de5194e5c76a0fe53896472dccc2b

      SHA1

      db8cf5a05bbf8c8708aebf187ab192a0d24612bf

      SHA256

      2f2fd12f22a8c50216fb314377e039092c6c6ab40fc213183914ea8cfd26461f

      SHA512

      8c2763b0c9509c8f2cda8de972215506c2f7391d90e1fbde5d73051b2464c1cd56e134b773e8aa6f29150fe5371ecc12d246b58a5da8b0ac806e70ff796ced7f

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

      Filesize

      179KB

      MD5

      046de5194e5c76a0fe53896472dccc2b

      SHA1

      db8cf5a05bbf8c8708aebf187ab192a0d24612bf

      SHA256

      2f2fd12f22a8c50216fb314377e039092c6c6ab40fc213183914ea8cfd26461f

      SHA512

      8c2763b0c9509c8f2cda8de972215506c2f7391d90e1fbde5d73051b2464c1cd56e134b773e8aa6f29150fe5371ecc12d246b58a5da8b0ac806e70ff796ced7f

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

      Filesize

      179KB

      MD5

      046de5194e5c76a0fe53896472dccc2b

      SHA1

      db8cf5a05bbf8c8708aebf187ab192a0d24612bf

      SHA256

      2f2fd12f22a8c50216fb314377e039092c6c6ab40fc213183914ea8cfd26461f

      SHA512

      8c2763b0c9509c8f2cda8de972215506c2f7391d90e1fbde5d73051b2464c1cd56e134b773e8aa6f29150fe5371ecc12d246b58a5da8b0ac806e70ff796ced7f

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      0e0483d4802632100b6bfe8bc2e5d661

      SHA1

      767e0deb7dcaa7676004e6053957c36cecfeeefa

      SHA256

      81bbebb8d0e77ffffbc7b7d24afdcdce4089f4b04d1a12284eda861c25e03f9f

      SHA512

      8279b0559ca30a0adc6c8614870c3e445866c20f0617a7153cab41982b451dfe9ea44478f37b884465235714623ef26a56f5ea3d1cb81767487c494d3703ab29

    • C:\Windows\hosts.exe

      Filesize

      179KB

      MD5

      ea5357cb9b78e4bbc0f46c1029d1a4a9

      SHA1

      01bced8cffb0178e5c67594de2a45eeeca35662e

      SHA256

      36d5207a1f42138fe0549f5ada66436ff45c41f63d3f3687c3b1e7247c5d510c

      SHA512

      d7bee29373bf5d8b419d9b1b54ff4915e731bdd8e15fafb65ffc93c0c9ac0d7ba31d01021370b85ee8676d32616f3bba2f44a5188731420a341296ed01167585

    • C:\Windows\hosts.exe

      Filesize

      179KB

      MD5

      ea5357cb9b78e4bbc0f46c1029d1a4a9

      SHA1

      01bced8cffb0178e5c67594de2a45eeeca35662e

      SHA256

      36d5207a1f42138fe0549f5ada66436ff45c41f63d3f3687c3b1e7247c5d510c

      SHA512

      d7bee29373bf5d8b419d9b1b54ff4915e731bdd8e15fafb65ffc93c0c9ac0d7ba31d01021370b85ee8676d32616f3bba2f44a5188731420a341296ed01167585

    • C:\Windows\hosts.exe

      Filesize

      179KB

      MD5

      ea5357cb9b78e4bbc0f46c1029d1a4a9

      SHA1

      01bced8cffb0178e5c67594de2a45eeeca35662e

      SHA256

      36d5207a1f42138fe0549f5ada66436ff45c41f63d3f3687c3b1e7247c5d510c

      SHA512

      d7bee29373bf5d8b419d9b1b54ff4915e731bdd8e15fafb65ffc93c0c9ac0d7ba31d01021370b85ee8676d32616f3bba2f44a5188731420a341296ed01167585

    • C:\Windows\hosts.exe

      Filesize

      179KB

      MD5

      ea5357cb9b78e4bbc0f46c1029d1a4a9

      SHA1

      01bced8cffb0178e5c67594de2a45eeeca35662e

      SHA256

      36d5207a1f42138fe0549f5ada66436ff45c41f63d3f3687c3b1e7247c5d510c

      SHA512

      d7bee29373bf5d8b419d9b1b54ff4915e731bdd8e15fafb65ffc93c0c9ac0d7ba31d01021370b85ee8676d32616f3bba2f44a5188731420a341296ed01167585

    • C:\windows\hosts.exe

      Filesize

      179KB

      MD5

      ea5357cb9b78e4bbc0f46c1029d1a4a9

      SHA1

      01bced8cffb0178e5c67594de2a45eeeca35662e

      SHA256

      36d5207a1f42138fe0549f5ada66436ff45c41f63d3f3687c3b1e7247c5d510c

      SHA512

      d7bee29373bf5d8b419d9b1b54ff4915e731bdd8e15fafb65ffc93c0c9ac0d7ba31d01021370b85ee8676d32616f3bba2f44a5188731420a341296ed01167585

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b