Analysis

  • max time kernel
    136s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 13:08

General

  • Target

    74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06.exe

  • Size

    184KB

  • MD5

    0d3cdfe1e28e154dd45e5352c7ee4c4b

  • SHA1

    544caea70a385753381554a299924960fc77b668

  • SHA256

    74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06

  • SHA512

    026712e5fcda55f89acb2d900d070e7eb02f54f47bfa95a7e53f3c7091bb12af1467820879137da6167bcd60495615f9b263691bad5154de8ff53c6c1a297b85

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DELU31fIcPh3GFtD:gDCwfG1bnxLED24tD

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 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06.exe
    "C:\Users\Admin\AppData\Local\Temp\74d065cb68f2227f628d1c0fe32fa6169742b30e31cd6e590c04ec4f6bdbaa06.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:3012
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2872
    • 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:4908
      • 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:4940
      • 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:2064
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2312
        • 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:1232
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3076
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3484
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3156
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4412
    • 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:1256
      • 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:2124
        • 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:3600
        • 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:1888
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4056
          • 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:4728
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2316
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2472
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1592
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3424
      • 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:5080
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4488

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      184KB

      MD5

      1b9f685e765e1911c350b5886fba5383

      SHA1

      988854c0b011ade19cca98c4d9384d00a7b1eb0e

      SHA256

      3cdb173c63f1b7033d8e5b9ed2559c4b6c46622e78448b60afc4b583acd38e40

      SHA512

      b25b3f0976b46cf813810b33477a472f8a2252d65ad77c0fb180cedafbafbf7d856d252b779d091810e6a1e5f532ef2a13935128c682d66e99ea5b1d219b8094

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

      Filesize

      184KB

      MD5

      1b9f685e765e1911c350b5886fba5383

      SHA1

      988854c0b011ade19cca98c4d9384d00a7b1eb0e

      SHA256

      3cdb173c63f1b7033d8e5b9ed2559c4b6c46622e78448b60afc4b583acd38e40

      SHA512

      b25b3f0976b46cf813810b33477a472f8a2252d65ad77c0fb180cedafbafbf7d856d252b779d091810e6a1e5f532ef2a13935128c682d66e99ea5b1d219b8094

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

      Filesize

      184KB

      MD5

      1b9f685e765e1911c350b5886fba5383

      SHA1

      988854c0b011ade19cca98c4d9384d00a7b1eb0e

      SHA256

      3cdb173c63f1b7033d8e5b9ed2559c4b6c46622e78448b60afc4b583acd38e40

      SHA512

      b25b3f0976b46cf813810b33477a472f8a2252d65ad77c0fb180cedafbafbf7d856d252b779d091810e6a1e5f532ef2a13935128c682d66e99ea5b1d219b8094

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

      Filesize

      184KB

      MD5

      1b9f685e765e1911c350b5886fba5383

      SHA1

      988854c0b011ade19cca98c4d9384d00a7b1eb0e

      SHA256

      3cdb173c63f1b7033d8e5b9ed2559c4b6c46622e78448b60afc4b583acd38e40

      SHA512

      b25b3f0976b46cf813810b33477a472f8a2252d65ad77c0fb180cedafbafbf7d856d252b779d091810e6a1e5f532ef2a13935128c682d66e99ea5b1d219b8094

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      7fc0db81060e343fd209dc050b401f77

      SHA1

      08ce8975b023bf90c21b8e64cd54fdd39debce04

      SHA256

      4a21d378652d4291a6b9e88a1934ac51e9eccd5c9a42aa09076219301509367f

      SHA512

      e0d13ba3713707f7cb9be56240930a8f47d8c302e692b49dcb01f7bdf3e3475f829e1ead60ce6a5f98bed591be96456e9c3ef67bb27f88dc70343c1412e9de57

    • C:\Windows\hosts.exe

      Filesize

      184KB

      MD5

      8b74387c2e26ba3a75c1ac158e6a2e1d

      SHA1

      dcb412a0c07375bc776d30c211277aeb174f6ba6

      SHA256

      5c15e7e551c598cfa433abde64d4cbccf71398e11d940c1e56f77756b95a35ff

      SHA512

      3415daa721c2f22b936fd1356c2f5268a5f2797183397db3849c1b2bb17456cc09507d4bbb0ea5340b190b367266c996d9c49f2337e95db6c6982688b7637deb

    • C:\Windows\hosts.exe

      Filesize

      184KB

      MD5

      8b74387c2e26ba3a75c1ac158e6a2e1d

      SHA1

      dcb412a0c07375bc776d30c211277aeb174f6ba6

      SHA256

      5c15e7e551c598cfa433abde64d4cbccf71398e11d940c1e56f77756b95a35ff

      SHA512

      3415daa721c2f22b936fd1356c2f5268a5f2797183397db3849c1b2bb17456cc09507d4bbb0ea5340b190b367266c996d9c49f2337e95db6c6982688b7637deb

    • C:\Windows\hosts.exe

      Filesize

      184KB

      MD5

      8b74387c2e26ba3a75c1ac158e6a2e1d

      SHA1

      dcb412a0c07375bc776d30c211277aeb174f6ba6

      SHA256

      5c15e7e551c598cfa433abde64d4cbccf71398e11d940c1e56f77756b95a35ff

      SHA512

      3415daa721c2f22b936fd1356c2f5268a5f2797183397db3849c1b2bb17456cc09507d4bbb0ea5340b190b367266c996d9c49f2337e95db6c6982688b7637deb

    • C:\Windows\hosts.exe

      Filesize

      184KB

      MD5

      8b74387c2e26ba3a75c1ac158e6a2e1d

      SHA1

      dcb412a0c07375bc776d30c211277aeb174f6ba6

      SHA256

      5c15e7e551c598cfa433abde64d4cbccf71398e11d940c1e56f77756b95a35ff

      SHA512

      3415daa721c2f22b936fd1356c2f5268a5f2797183397db3849c1b2bb17456cc09507d4bbb0ea5340b190b367266c996d9c49f2337e95db6c6982688b7637deb

    • C:\windows\hosts.exe

      Filesize

      184KB

      MD5

      8b74387c2e26ba3a75c1ac158e6a2e1d

      SHA1

      dcb412a0c07375bc776d30c211277aeb174f6ba6

      SHA256

      5c15e7e551c598cfa433abde64d4cbccf71398e11d940c1e56f77756b95a35ff

      SHA512

      3415daa721c2f22b936fd1356c2f5268a5f2797183397db3849c1b2bb17456cc09507d4bbb0ea5340b190b367266c996d9c49f2337e95db6c6982688b7637deb

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b