Analysis

  • max time kernel
    129s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 18:23

General

  • Target

    14d714a58c70a002a1dc790b32dcda98658d23fda260c282ce21edd014f40f88.exe

  • Size

    351KB

  • MD5

    0e48a80ea90bc0b2493a18af347e55c0

  • SHA1

    e3a981c17307dbe73a2f4011559d1bed29a53391

  • SHA256

    14d714a58c70a002a1dc790b32dcda98658d23fda260c282ce21edd014f40f88

  • SHA512

    ad34a74f8ee903ac1b868b98b27122f8c6f28ded808bb79595ed639546eeeeffa6957eaf38870437710736dba4c652d482ec2f1c3238db507e65340f9b4282be

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCmHV5F11Z++M42bpDCw1p3vmLvsZIaVwiwDw:gDCwfG1bnxHXG+MfDCwfG1bnxHXG+MX

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\14d714a58c70a002a1dc790b32dcda98658d23fda260c282ce21edd014f40f88.exe
    "C:\Users\Admin\AppData\Local\Temp\14d714a58c70a002a1dc790b32dcda98658d23fda260c282ce21edd014f40f88.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:5056
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:5040
    • 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:1148
      • 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:1456
      • 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:3028
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:372
        • 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:3716
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1488
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1288
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4756
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2172
    • 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:3048
      • 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:1792
        • 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:3904
        • 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:1260
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1068
          • 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:2984
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3148
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2416
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:4380
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3984
      • 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:3120
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4112

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      351KB

      MD5

      5f85fc4811c43a826fa6049c572f6cb9

      SHA1

      3c136203267908967bb7019012def4003a063542

      SHA256

      9bcd2e9d4e5eb1d575e582f3229e3b1bab1e0441cbd3cddc27cfd96dd529d5ed

      SHA512

      371340e457542c177053c1c350b7643f6920edfad20fd838dc311987154b27e03837f42306659001b90f0bd9a2c9d3c3f1f53ded71837c6ea696e35d9ece8496

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

      Filesize

      351KB

      MD5

      5f85fc4811c43a826fa6049c572f6cb9

      SHA1

      3c136203267908967bb7019012def4003a063542

      SHA256

      9bcd2e9d4e5eb1d575e582f3229e3b1bab1e0441cbd3cddc27cfd96dd529d5ed

      SHA512

      371340e457542c177053c1c350b7643f6920edfad20fd838dc311987154b27e03837f42306659001b90f0bd9a2c9d3c3f1f53ded71837c6ea696e35d9ece8496

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

      Filesize

      351KB

      MD5

      5f85fc4811c43a826fa6049c572f6cb9

      SHA1

      3c136203267908967bb7019012def4003a063542

      SHA256

      9bcd2e9d4e5eb1d575e582f3229e3b1bab1e0441cbd3cddc27cfd96dd529d5ed

      SHA512

      371340e457542c177053c1c350b7643f6920edfad20fd838dc311987154b27e03837f42306659001b90f0bd9a2c9d3c3f1f53ded71837c6ea696e35d9ece8496

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

      Filesize

      351KB

      MD5

      5f85fc4811c43a826fa6049c572f6cb9

      SHA1

      3c136203267908967bb7019012def4003a063542

      SHA256

      9bcd2e9d4e5eb1d575e582f3229e3b1bab1e0441cbd3cddc27cfd96dd529d5ed

      SHA512

      371340e457542c177053c1c350b7643f6920edfad20fd838dc311987154b27e03837f42306659001b90f0bd9a2c9d3c3f1f53ded71837c6ea696e35d9ece8496

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      7fc0db81060e343fd209dc050b401f77

      SHA1

      08ce8975b023bf90c21b8e64cd54fdd39debce04

      SHA256

      4a21d378652d4291a6b9e88a1934ac51e9eccd5c9a42aa09076219301509367f

      SHA512

      e0d13ba3713707f7cb9be56240930a8f47d8c302e692b49dcb01f7bdf3e3475f829e1ead60ce6a5f98bed591be96456e9c3ef67bb27f88dc70343c1412e9de57

    • C:\Windows\hosts.exe

      Filesize

      351KB

      MD5

      4c58e90a024264d91003c323beb69a98

      SHA1

      bb0f93497cb19722cf85c05d307b13d471156735

      SHA256

      75c65c8d018e7a1e8b1cdf9120bea388bdbe44e95cb62f66bdf96bf9162ef262

      SHA512

      814d8a669c9280e453c95576553844ece37be558af5b47a26cf6cd8364c9fec8e04630eba26314ea87d844ed2893add62ebd0ed149366c17d946d7f585df3c1b

    • C:\Windows\hosts.exe

      Filesize

      351KB

      MD5

      4c58e90a024264d91003c323beb69a98

      SHA1

      bb0f93497cb19722cf85c05d307b13d471156735

      SHA256

      75c65c8d018e7a1e8b1cdf9120bea388bdbe44e95cb62f66bdf96bf9162ef262

      SHA512

      814d8a669c9280e453c95576553844ece37be558af5b47a26cf6cd8364c9fec8e04630eba26314ea87d844ed2893add62ebd0ed149366c17d946d7f585df3c1b

    • C:\Windows\hosts.exe

      Filesize

      351KB

      MD5

      4c58e90a024264d91003c323beb69a98

      SHA1

      bb0f93497cb19722cf85c05d307b13d471156735

      SHA256

      75c65c8d018e7a1e8b1cdf9120bea388bdbe44e95cb62f66bdf96bf9162ef262

      SHA512

      814d8a669c9280e453c95576553844ece37be558af5b47a26cf6cd8364c9fec8e04630eba26314ea87d844ed2893add62ebd0ed149366c17d946d7f585df3c1b

    • C:\Windows\hosts.exe

      Filesize

      351KB

      MD5

      4c58e90a024264d91003c323beb69a98

      SHA1

      bb0f93497cb19722cf85c05d307b13d471156735

      SHA256

      75c65c8d018e7a1e8b1cdf9120bea388bdbe44e95cb62f66bdf96bf9162ef262

      SHA512

      814d8a669c9280e453c95576553844ece37be558af5b47a26cf6cd8364c9fec8e04630eba26314ea87d844ed2893add62ebd0ed149366c17d946d7f585df3c1b

    • C:\windows\hosts.exe

      Filesize

      351KB

      MD5

      4c58e90a024264d91003c323beb69a98

      SHA1

      bb0f93497cb19722cf85c05d307b13d471156735

      SHA256

      75c65c8d018e7a1e8b1cdf9120bea388bdbe44e95cb62f66bdf96bf9162ef262

      SHA512

      814d8a669c9280e453c95576553844ece37be558af5b47a26cf6cd8364c9fec8e04630eba26314ea87d844ed2893add62ebd0ed149366c17d946d7f585df3c1b

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b