Analysis

  • max time kernel
    149s
  • max time network
    187s
  • 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

    2607f044ff766d27493b4c42fb6dd7b2dd4c50cbb4b916f22e7e023479004bef.exe

  • Size

    207KB

  • MD5

    0f5e7c4efcd50e0f8eb1695276a951b9

  • SHA1

    17cc25ca6e577f15444b19038051e475df80861b

  • SHA256

    2607f044ff766d27493b4c42fb6dd7b2dd4c50cbb4b916f22e7e023479004bef

  • SHA512

    c5be03e751f63d85bba0e099b9ec32d3cd4f2d21e4b337fbd223a3b1dd969418c8001b9546a9eea30de9f2e9185a7d375e7b191b314c5b5f87b9ee1b1e388b5e

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQ8O7ZnX:gDCwfG1bnxLERRU7d

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\2607f044ff766d27493b4c42fb6dd7b2dd4c50cbb4b916f22e7e023479004bef.exe
    "C:\Users\Admin\AppData\Local\Temp\2607f044ff766d27493b4c42fb6dd7b2dd4c50cbb4b916f22e7e023479004bef.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:3416
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:1344
    • 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:5056
      • 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:4772
      • 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:4852
        • 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:1912
          • 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:4420
          • 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:4408
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4428
            • 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:4676
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2164
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4608
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1964
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4184
        • 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:3896
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4744
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:524
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2392
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3708
    • 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:4860
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4932
      • 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:4040
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4124

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      207KB

      MD5

      94735fffab35e9629cbe873e983e22ab

      SHA1

      e2dd01e3430c6e657ef106f0d1bdeb9cdf658acf

      SHA256

      7c197d5a142d57e4c36e3158d1eed7dfb072a2307fa648a06a70b5413b1688dc

      SHA512

      d8229fb6111eb9808a1728a881817d9ca7700819800f1952812f78754e7d01d803f63d36a773d9dc4cf3e46f826bad304bd63ee9b926c966c80e5f04387ef643

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

      Filesize

      207KB

      MD5

      94735fffab35e9629cbe873e983e22ab

      SHA1

      e2dd01e3430c6e657ef106f0d1bdeb9cdf658acf

      SHA256

      7c197d5a142d57e4c36e3158d1eed7dfb072a2307fa648a06a70b5413b1688dc

      SHA512

      d8229fb6111eb9808a1728a881817d9ca7700819800f1952812f78754e7d01d803f63d36a773d9dc4cf3e46f826bad304bd63ee9b926c966c80e5f04387ef643

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

      Filesize

      207KB

      MD5

      94735fffab35e9629cbe873e983e22ab

      SHA1

      e2dd01e3430c6e657ef106f0d1bdeb9cdf658acf

      SHA256

      7c197d5a142d57e4c36e3158d1eed7dfb072a2307fa648a06a70b5413b1688dc

      SHA512

      d8229fb6111eb9808a1728a881817d9ca7700819800f1952812f78754e7d01d803f63d36a773d9dc4cf3e46f826bad304bd63ee9b926c966c80e5f04387ef643

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

      Filesize

      207KB

      MD5

      94735fffab35e9629cbe873e983e22ab

      SHA1

      e2dd01e3430c6e657ef106f0d1bdeb9cdf658acf

      SHA256

      7c197d5a142d57e4c36e3158d1eed7dfb072a2307fa648a06a70b5413b1688dc

      SHA512

      d8229fb6111eb9808a1728a881817d9ca7700819800f1952812f78754e7d01d803f63d36a773d9dc4cf3e46f826bad304bd63ee9b926c966c80e5f04387ef643

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5b87381bf407d7c6018a8b11c3e20f92

      SHA1

      bb61b28d9c8fd7dfeb13a397c49a1be3abc06ca2

      SHA256

      4785d6a229d0872fe90c75ab620de9a680d7f07ccd27a134da2afc4ee88f34f3

      SHA512

      05db1178f671e9d6c3a1c601349093447b04ebddcd071a06f7cc92cbaf7efb53027bc92523a19372a08ca5af715cc9955649255f8be1909b5e594385b3dcbe3d

    • C:\Windows\hosts.exe

      Filesize

      207KB

      MD5

      c62f976cd30613dde3d57558262486a1

      SHA1

      dd1dc4feb4abc759843aaedde10cde75a705eb69

      SHA256

      d8c784ad8602688bb06d7ad623ed21ee7201b8517778e91ca232c6b1de26cb5e

      SHA512

      93e620b70225c73f74e3e8fc487836945802fed15f381cdead895ac130f6e5140067803f05b054d96a9c7f14cfcaaadfc2d187750c55efcdba82f76a56546ad2

    • C:\Windows\hosts.exe

      Filesize

      207KB

      MD5

      c62f976cd30613dde3d57558262486a1

      SHA1

      dd1dc4feb4abc759843aaedde10cde75a705eb69

      SHA256

      d8c784ad8602688bb06d7ad623ed21ee7201b8517778e91ca232c6b1de26cb5e

      SHA512

      93e620b70225c73f74e3e8fc487836945802fed15f381cdead895ac130f6e5140067803f05b054d96a9c7f14cfcaaadfc2d187750c55efcdba82f76a56546ad2

    • C:\Windows\hosts.exe

      Filesize

      207KB

      MD5

      c62f976cd30613dde3d57558262486a1

      SHA1

      dd1dc4feb4abc759843aaedde10cde75a705eb69

      SHA256

      d8c784ad8602688bb06d7ad623ed21ee7201b8517778e91ca232c6b1de26cb5e

      SHA512

      93e620b70225c73f74e3e8fc487836945802fed15f381cdead895ac130f6e5140067803f05b054d96a9c7f14cfcaaadfc2d187750c55efcdba82f76a56546ad2

    • C:\Windows\hosts.exe

      Filesize

      207KB

      MD5

      c62f976cd30613dde3d57558262486a1

      SHA1

      dd1dc4feb4abc759843aaedde10cde75a705eb69

      SHA256

      d8c784ad8602688bb06d7ad623ed21ee7201b8517778e91ca232c6b1de26cb5e

      SHA512

      93e620b70225c73f74e3e8fc487836945802fed15f381cdead895ac130f6e5140067803f05b054d96a9c7f14cfcaaadfc2d187750c55efcdba82f76a56546ad2

    • C:\windows\hosts.exe

      Filesize

      207KB

      MD5

      c62f976cd30613dde3d57558262486a1

      SHA1

      dd1dc4feb4abc759843aaedde10cde75a705eb69

      SHA256

      d8c784ad8602688bb06d7ad623ed21ee7201b8517778e91ca232c6b1de26cb5e

      SHA512

      93e620b70225c73f74e3e8fc487836945802fed15f381cdead895ac130f6e5140067803f05b054d96a9c7f14cfcaaadfc2d187750c55efcdba82f76a56546ad2

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/524-172-0x0000000000000000-mapping.dmp

    • memory/1344-134-0x0000000000000000-mapping.dmp

    • memory/1912-148-0x0000000000000000-mapping.dmp

    • memory/1964-175-0x0000000000000000-mapping.dmp

    • memory/2164-171-0x0000000000000000-mapping.dmp

    • memory/2392-174-0x0000000000000000-mapping.dmp

    • memory/3708-176-0x0000000000000000-mapping.dmp

    • memory/3896-164-0x0000000000000000-mapping.dmp

    • memory/4040-163-0x0000000000000000-mapping.dmp

    • memory/4184-177-0x0000000000000000-mapping.dmp

    • memory/4408-161-0x0000000000000000-mapping.dmp

    • memory/4420-155-0x0000000000000000-mapping.dmp

    • memory/4428-165-0x0000000000000000-mapping.dmp

    • memory/4608-173-0x0000000000000000-mapping.dmp

    • memory/4676-169-0x0000000000000000-mapping.dmp

    • memory/4744-170-0x0000000000000000-mapping.dmp

    • memory/4772-141-0x0000000000000000-mapping.dmp

    • memory/4852-145-0x0000000000000000-mapping.dmp

    • memory/4860-146-0x0000000000000000-mapping.dmp

    • memory/4932-151-0x0000000000000000-mapping.dmp

    • memory/5056-135-0x0000000000000000-mapping.dmp