Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 22:53

General

  • Target

    5a323ac8f68192c38a384436e9cc48807af358881bc3d584b3b259f671d9e87b.exe

  • Size

    45KB

  • MD5

    4f0ba6690bbacc38c924108e9280e6de

  • SHA1

    4d504f36e3770573686623bd6109c0148443a18c

  • SHA256

    5a323ac8f68192c38a384436e9cc48807af358881bc3d584b3b259f671d9e87b

  • SHA512

    f1653edb42ef3976c9cfc961067b83dbe384e4cd3ce09fbcd8e4c693ab5825a7bf1f8110fc597e88edc7708a1fd97a550d9ad5216649df4285d7b3e4517cb6df

  • SSDEEP

    768:E1AuwHyeFo6NPIFAoslbf8eRYLGXdoIFbb5omuKWcbsvwnoT9D88888888888JXR:EOxyeFo6NPCAosxYyXdF5oy3VoKR

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Executes dropped EXE 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 29 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 21 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a323ac8f68192c38a384436e9cc48807af358881bc3d584b3b259f671d9e87b.exe
    "C:\Users\Admin\AppData\Local\Temp\5a323ac8f68192c38a384436e9cc48807af358881bc3d584b3b259f671d9e87b.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\recycled\SVCHOST.EXE
      C:\recycled\SVCHOST.EXE :agent
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4276
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Enumerates connected drives
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4176
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4576
        • C:\recycled\SPOOLSV.EXE
          C:\recycled\SPOOLSV.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:3536
        • C:\recycled\CTFMON.EXE
          C:\recycled\CTFMON.EXE :agent
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Enumerates connected drives
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2024
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1156
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4288
          • C:\recycled\CTFMON.EXE
            C:\recycled\CTFMON.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:208
      • C:\recycled\CTFMON.EXE
        C:\recycled\CTFMON.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2156
      • C:\Windows\SysWOW64\userinit.exe
        C:\Windows\system32\userinit.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\Explorer.exe
          Explorer.exe "C:\recycled\SVCHOST.exe"
          4⤵
            PID:3224
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4536
      • C:\recycled\CTFMON.EXE
        C:\recycled\CTFMON.EXE :agent
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3932
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5a323ac8f68192c38a384436e9cc48807af358881bc3d584b3b259f671d9e87b.doc" /o ""
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:832
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
        PID:2216

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Recycled\CTFMON.EXE

              Filesize

              45KB

              MD5

              7895496ec6f59ee93a4eea469fd342a7

              SHA1

              cae679f95fe5adc1bb545c143c969bc4ed0e438e

              SHA256

              31aa23f5ca35ffbab867b4c36ce922bc82cd16a012efab686609ff0711a8c8eb

              SHA512

              6d5329ffbd18858f8226c2d58c911dfc5ab74a8c1519327b77a92c52169d7b11ca994e3b5c259f4e589dcd295bed1b2df5debef1ad63b7f79958428f1a1db82a

            • C:\Recycled\CTFMON.EXE

              Filesize

              45KB

              MD5

              7895496ec6f59ee93a4eea469fd342a7

              SHA1

              cae679f95fe5adc1bb545c143c969bc4ed0e438e

              SHA256

              31aa23f5ca35ffbab867b4c36ce922bc82cd16a012efab686609ff0711a8c8eb

              SHA512

              6d5329ffbd18858f8226c2d58c911dfc5ab74a8c1519327b77a92c52169d7b11ca994e3b5c259f4e589dcd295bed1b2df5debef1ad63b7f79958428f1a1db82a

            • C:\Recycled\CTFMON.EXE

              Filesize

              45KB

              MD5

              7895496ec6f59ee93a4eea469fd342a7

              SHA1

              cae679f95fe5adc1bb545c143c969bc4ed0e438e

              SHA256

              31aa23f5ca35ffbab867b4c36ce922bc82cd16a012efab686609ff0711a8c8eb

              SHA512

              6d5329ffbd18858f8226c2d58c911dfc5ab74a8c1519327b77a92c52169d7b11ca994e3b5c259f4e589dcd295bed1b2df5debef1ad63b7f79958428f1a1db82a

            • C:\Recycled\CTFMON.EXE

              Filesize

              45KB

              MD5

              7895496ec6f59ee93a4eea469fd342a7

              SHA1

              cae679f95fe5adc1bb545c143c969bc4ed0e438e

              SHA256

              31aa23f5ca35ffbab867b4c36ce922bc82cd16a012efab686609ff0711a8c8eb

              SHA512

              6d5329ffbd18858f8226c2d58c911dfc5ab74a8c1519327b77a92c52169d7b11ca994e3b5c259f4e589dcd295bed1b2df5debef1ad63b7f79958428f1a1db82a

            • C:\Recycled\SPOOLSV.EXE

              Filesize

              45KB

              MD5

              668faf5581b39115537e326c2632c9af

              SHA1

              e1a4246576e1cdf2bea742d20b9a7e4f209d93e0

              SHA256

              513c0630d1739b6c3a52f2399c3c3ab5f9ef1ab98b05c3e378034ccd48bcb0f9

              SHA512

              861778f4c80ad237a5ab0cc27eeace87aa195a82ef7a3462955155aaed179b4d41bc76c220e9a0035e3720a1d8aa0e4354541bfcf05df17b2027707872661b0c

            • C:\Recycled\SPOOLSV.EXE

              Filesize

              45KB

              MD5

              668faf5581b39115537e326c2632c9af

              SHA1

              e1a4246576e1cdf2bea742d20b9a7e4f209d93e0

              SHA256

              513c0630d1739b6c3a52f2399c3c3ab5f9ef1ab98b05c3e378034ccd48bcb0f9

              SHA512

              861778f4c80ad237a5ab0cc27eeace87aa195a82ef7a3462955155aaed179b4d41bc76c220e9a0035e3720a1d8aa0e4354541bfcf05df17b2027707872661b0c

            • C:\Recycled\SPOOLSV.EXE

              Filesize

              45KB

              MD5

              668faf5581b39115537e326c2632c9af

              SHA1

              e1a4246576e1cdf2bea742d20b9a7e4f209d93e0

              SHA256

              513c0630d1739b6c3a52f2399c3c3ab5f9ef1ab98b05c3e378034ccd48bcb0f9

              SHA512

              861778f4c80ad237a5ab0cc27eeace87aa195a82ef7a3462955155aaed179b4d41bc76c220e9a0035e3720a1d8aa0e4354541bfcf05df17b2027707872661b0c

            • C:\Recycled\SPOOLSV.EXE

              Filesize

              45KB

              MD5

              668faf5581b39115537e326c2632c9af

              SHA1

              e1a4246576e1cdf2bea742d20b9a7e4f209d93e0

              SHA256

              513c0630d1739b6c3a52f2399c3c3ab5f9ef1ab98b05c3e378034ccd48bcb0f9

              SHA512

              861778f4c80ad237a5ab0cc27eeace87aa195a82ef7a3462955155aaed179b4d41bc76c220e9a0035e3720a1d8aa0e4354541bfcf05df17b2027707872661b0c

            • C:\Recycled\SVCHOST.EXE

              Filesize

              45KB

              MD5

              4ff61eccbcd8085f764adfbef22e6b72

              SHA1

              11fef70d484099a0d1c467f0c1703824d5bd8c6a

              SHA256

              b72f869ca51be022121dd9848f14a6bf1495dba4c934c437b963fa9658f8e7d5

              SHA512

              f424c4dc991bdf4ccf8249b451b2c806d8b7f1bcf4b792be043cb5c40822fb0ce949a0c3102fcae6e8497266903283d544ba4834fbe30ace65de889c11463ed6

            • C:\Recycled\SVCHOST.EXE

              Filesize

              45KB

              MD5

              4ff61eccbcd8085f764adfbef22e6b72

              SHA1

              11fef70d484099a0d1c467f0c1703824d5bd8c6a

              SHA256

              b72f869ca51be022121dd9848f14a6bf1495dba4c934c437b963fa9658f8e7d5

              SHA512

              f424c4dc991bdf4ccf8249b451b2c806d8b7f1bcf4b792be043cb5c40822fb0ce949a0c3102fcae6e8497266903283d544ba4834fbe30ace65de889c11463ed6

            • C:\Recycled\SVCHOST.EXE

              Filesize

              45KB

              MD5

              4ff61eccbcd8085f764adfbef22e6b72

              SHA1

              11fef70d484099a0d1c467f0c1703824d5bd8c6a

              SHA256

              b72f869ca51be022121dd9848f14a6bf1495dba4c934c437b963fa9658f8e7d5

              SHA512

              f424c4dc991bdf4ccf8249b451b2c806d8b7f1bcf4b792be043cb5c40822fb0ce949a0c3102fcae6e8497266903283d544ba4834fbe30ace65de889c11463ed6

            • C:\Recycled\SVCHOST.EXE

              Filesize

              45KB

              MD5

              4ff61eccbcd8085f764adfbef22e6b72

              SHA1

              11fef70d484099a0d1c467f0c1703824d5bd8c6a

              SHA256

              b72f869ca51be022121dd9848f14a6bf1495dba4c934c437b963fa9658f8e7d5

              SHA512

              f424c4dc991bdf4ccf8249b451b2c806d8b7f1bcf4b792be043cb5c40822fb0ce949a0c3102fcae6e8497266903283d544ba4834fbe30ace65de889c11463ed6

            • C:\Recycled\desktop.ini

              Filesize

              65B

              MD5

              ad0b0b4416f06af436328a3c12dc491b

              SHA1

              743c7ad130780de78ccbf75aa6f84298720ad3fa

              SHA256

              23521de51ca1db2bc7b18e41de7693542235284667bf85f6c31902547a947416

              SHA512

              884cd0cae3b31a594f387dae94fc1e0aacb4fd833f8a3368bdec7de0f9f3dc44337c7318895d9549aad579f95de71ff45e1618e75065a04c7894ad1d0d0eac56

            • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

              Filesize

              1KB

              MD5

              0269b6347e473980c5378044ac67aa1f

              SHA1

              c3334de50e320ad8bce8398acff95c363d039245

              SHA256

              68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

              SHA512

              e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

            • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

              Filesize

              1KB

              MD5

              0269b6347e473980c5378044ac67aa1f

              SHA1

              c3334de50e320ad8bce8398acff95c363d039245

              SHA256

              68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

              SHA512

              e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

            • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

              Filesize

              1KB

              MD5

              0269b6347e473980c5378044ac67aa1f

              SHA1

              c3334de50e320ad8bce8398acff95c363d039245

              SHA256

              68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

              SHA512

              e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

            • C:\begolu.txt

              Filesize

              2B

              MD5

              2b9d4fa85c8e82132bde46b143040142

              SHA1

              a02431cf7c501a5b368c91e41283419d8fa9fb03

              SHA256

              4658d6abbbaf7748c172ed5a3e003cdb8997648f88724834e41f75e54520e142

              SHA512

              c37f27b442d578e94db6e5d879d026b0b3457f42b99ec56a9cb6fca3161540a32e207b942ef2ddb7be01fa9245ba4d8c859978a0f9a498c1ad8aa46d0890e6be

            • C:\recycled\CTFMON.EXE

              Filesize

              45KB

              MD5

              7895496ec6f59ee93a4eea469fd342a7

              SHA1

              cae679f95fe5adc1bb545c143c969bc4ed0e438e

              SHA256

              31aa23f5ca35ffbab867b4c36ce922bc82cd16a012efab686609ff0711a8c8eb

              SHA512

              6d5329ffbd18858f8226c2d58c911dfc5ab74a8c1519327b77a92c52169d7b11ca994e3b5c259f4e589dcd295bed1b2df5debef1ad63b7f79958428f1a1db82a

            • C:\recycled\SPOOLSV.EXE

              Filesize

              45KB

              MD5

              668faf5581b39115537e326c2632c9af

              SHA1

              e1a4246576e1cdf2bea742d20b9a7e4f209d93e0

              SHA256

              513c0630d1739b6c3a52f2399c3c3ab5f9ef1ab98b05c3e378034ccd48bcb0f9

              SHA512

              861778f4c80ad237a5ab0cc27eeace87aa195a82ef7a3462955155aaed179b4d41bc76c220e9a0035e3720a1d8aa0e4354541bfcf05df17b2027707872661b0c

            • C:\recycled\SVCHOST.EXE

              Filesize

              45KB

              MD5

              4ff61eccbcd8085f764adfbef22e6b72

              SHA1

              11fef70d484099a0d1c467f0c1703824d5bd8c6a

              SHA256

              b72f869ca51be022121dd9848f14a6bf1495dba4c934c437b963fa9658f8e7d5

              SHA512

              f424c4dc991bdf4ccf8249b451b2c806d8b7f1bcf4b792be043cb5c40822fb0ce949a0c3102fcae6e8497266903283d544ba4834fbe30ace65de889c11463ed6

            • memory/208-185-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/832-212-0x00007FFAF22E0000-0x00007FFAF22F0000-memory.dmp

              Filesize

              64KB

            • memory/832-208-0x00007FFAF4C10000-0x00007FFAF4C20000-memory.dmp

              Filesize

              64KB

            • memory/832-213-0x00007FFAF22E0000-0x00007FFAF22F0000-memory.dmp

              Filesize

              64KB

            • memory/832-209-0x00007FFAF4C10000-0x00007FFAF4C20000-memory.dmp

              Filesize

              64KB

            • memory/832-210-0x00007FFAF4C10000-0x00007FFAF4C20000-memory.dmp

              Filesize

              64KB

            • memory/832-211-0x00007FFAF4C10000-0x00007FFAF4C20000-memory.dmp

              Filesize

              64KB

            • memory/832-207-0x00007FFAF4C10000-0x00007FFAF4C20000-memory.dmp

              Filesize

              64KB

            • memory/1156-174-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/1312-137-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/1312-214-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/2024-180-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/2024-215-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/2156-191-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/2696-205-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/2696-132-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3536-162-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3932-201-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4176-216-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4176-178-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4276-146-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4288-181-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4536-196-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4576-158-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB