Resubmissions

03-07-2024 22:59

240703-2yn7wszhlp 10

03-07-2024 16:13

240703-tn93lsyglf 10

03-07-2024 16:11

240703-tm84xsyfma 10

10-05-2024 16:25

240510-tw1h5shh47 10

24-08-2023 11:16

230824-nda8msdf8z 10

Analysis

  • max time kernel
    1114s
  • max time network
    1124s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-11-2020 06:42

Errors

Reason
Machine shutdown

General

  • Target

  • Size

    1.0MB

  • MD5

    0002dddba512e20c3f82aaab8bad8b4d

  • SHA1

    493286b108822ba636cc0e53b8259e4f06ecf900

  • SHA256

    2d68fe191ba9e97f57f07f7bd116e53800b983d267da99bf0a6e6624dd7e5cf7

  • SHA512

    497954400ab463eb254abe895648c208a1cc951ecb231202362dadbe3ffb49d8d853b487589ce935c1dc8171f56d0df95093ffc655c684faa944c13bcfd87b8b

Malware Config

Signatures

  • BadRabbit

    Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

  • Deletes NTFS Change Journal 2 TTPs

    The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

  • Clears Windows event logs 1 TTPs
  • Blacklisted process makes network request 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Modifies WinLogon to allow AutoLogon 2 TTPs 1 IoCs

    Enables rebooting of the machine without requiring login credentials.

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 6 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Users\Admin\AppData\Local\Temp\is-ITHO4.tmp\is-C3CH1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ITHO4.tmp\is-C3CH1.tmp" /SL4 $20118 "C:\Users\Admin\AppData\Local\Temp\[email protected]" 779923 55808
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3872
      • C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe
        "C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1412
        • C:\Program Files (x86)\RegistrySmart\Launcher.exe
          "C:\Program Files (x86)\RegistrySmart\Launcher.exe" 0:
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1224
          • C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe
            "C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe" launch
            5⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:3124
  • C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\infpub.dat",#2 15
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
      2⤵
      • Blacklisted process makes network request
      • Modifies extensions of user files
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Delete /F /TN rhaegal
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4084
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /F /TN rhaegal
          4⤵
            PID:1344
        • C:\Windows\SysWOW64\cmd.exe
          /c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 3986010080 && exit"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4056
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 3986010080 && exit"
            4⤵
            • Creates scheduled task(s)
            PID:3180
        • C:\Windows\SysWOW64\cmd.exe
          /c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 07:02:00
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1964
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 07:02:00
            4⤵
            • Creates scheduled task(s)
            PID:3316
        • C:\Windows\9DBE.tmp
          "C:\Windows\9DBE.tmp" \\.\pipe\{EB320252-F393-4574-A51C-EA9681B5F958}
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:816
        • C:\Windows\SysWOW64\cmd.exe
          /c wevtutil cl Setup & wevtutil cl System & wevtutil cl Security & wevtutil cl Application & fsutil usn deletejournal /D C:
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1804
          • C:\Windows\SysWOW64\wevtutil.exe
            wevtutil cl Setup
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3228
          • C:\Windows\SysWOW64\wevtutil.exe
            wevtutil cl System
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1424
          • C:\Windows\SysWOW64\wevtutil.exe
            wevtutil cl Security
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:8
          • C:\Windows\SysWOW64\wevtutil.exe
            wevtutil cl Application
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1740
          • C:\Windows\SysWOW64\fsutil.exe
            fsutil usn deletejournal /D C:
            4⤵
              PID:2264
          • C:\Windows\SysWOW64\cmd.exe
            /c schtasks /Delete /F /TN drogon
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:296
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Delete /F /TN drogon
              4⤵
                PID:2968
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x0 /state0:0xa3ad7855 /state1:0x41c64e6d
          1⤵
          • Modifies WinLogon to allow AutoLogon
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          PID:3408

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\RegistrySmart\Launcher.exe

          MD5

          412a943768c74c06db9955d8cba40ed4

          SHA1

          e75a8b91bc28187edfb847c46a3d763bdb89b2cf

          SHA256

          8537ad8b3b76f4852c3402592e7b5b7b6d39f3477e9bc5fbe7d8af3c94d3865c

          SHA512

          c924dff545961ddcbd4e5ca56af1a6862e5e9f596c1f830edc2c022947cecc5c59ce72f60b7a38c3f3d32503ae349565419daa5164bd2e96d13f19736b17c4b4

        • C:\Program Files (x86)\RegistrySmart\Launcher.exe

          MD5

          412a943768c74c06db9955d8cba40ed4

          SHA1

          e75a8b91bc28187edfb847c46a3d763bdb89b2cf

          SHA256

          8537ad8b3b76f4852c3402592e7b5b7b6d39f3477e9bc5fbe7d8af3c94d3865c

          SHA512

          c924dff545961ddcbd4e5ca56af1a6862e5e9f596c1f830edc2c022947cecc5c59ce72f60b7a38c3f3d32503ae349565419daa5164bd2e96d13f19736b17c4b4

        • C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe

          MD5

          b13f9d8e3d5c88f0ddad896d7fe33a88

          SHA1

          e6d7dd65a85a4f97baa56ae8eb810918ff4d84fd

          SHA256

          6d6bd6a03387c3f3900b4b5fc1264c73b362698bf42b668b99d0e9b65f1d7663

          SHA512

          3319c68b7eebe4fe5d4e385cd91226c827668d87751c5b94a2f1aac24b588e83390a349185fc9d430d1eea2e356fbcaa6543b4a5f8e25d875da7deec30c56164

        • C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe

          MD5

          b13f9d8e3d5c88f0ddad896d7fe33a88

          SHA1

          e6d7dd65a85a4f97baa56ae8eb810918ff4d84fd

          SHA256

          6d6bd6a03387c3f3900b4b5fc1264c73b362698bf42b668b99d0e9b65f1d7663

          SHA512

          3319c68b7eebe4fe5d4e385cd91226c827668d87751c5b94a2f1aac24b588e83390a349185fc9d430d1eea2e356fbcaa6543b4a5f8e25d875da7deec30c56164

        • C:\Program Files (x86)\RegistrySmart\RegistrySmart.exe

          MD5

          b13f9d8e3d5c88f0ddad896d7fe33a88

          SHA1

          e6d7dd65a85a4f97baa56ae8eb810918ff4d84fd

          SHA256

          6d6bd6a03387c3f3900b4b5fc1264c73b362698bf42b668b99d0e9b65f1d7663

          SHA512

          3319c68b7eebe4fe5d4e385cd91226c827668d87751c5b94a2f1aac24b588e83390a349185fc9d430d1eea2e356fbcaa6543b4a5f8e25d875da7deec30c56164

        • C:\Users\Admin\AppData\Local\Temp\is-ITHO4.tmp\is-C3CH1.tmp

          MD5

          19672882daf21174647509b74a406a8c

          SHA1

          e3313b8741bd9bbe212fe53fcc55b342af5ae849

          SHA256

          34e6fea583cf1f995cf24e841da2060e0777405ac228094722f17f2e337ccea8

          SHA512

          eceddd4f1bbaf84dde72642f022b86033ba5a8b5105c573adcc49946d172e26e2512edce6f99e78dd3a2b0f8a23fa6138cca995a824e5f53a6ba925de434fa8f

        • C:\Users\Admin\AppData\Local\Temp\is-ITHO4.tmp\is-C3CH1.tmp

          MD5

          19672882daf21174647509b74a406a8c

          SHA1

          e3313b8741bd9bbe212fe53fcc55b342af5ae849

          SHA256

          34e6fea583cf1f995cf24e841da2060e0777405ac228094722f17f2e337ccea8

          SHA512

          eceddd4f1bbaf84dde72642f022b86033ba5a8b5105c573adcc49946d172e26e2512edce6f99e78dd3a2b0f8a23fa6138cca995a824e5f53a6ba925de434fa8f

        • C:\Users\Admin\Desktop\RegistrySmart.lnk

          MD5

          059b0b4c4ac280106d72221719fd4cb7

          SHA1

          98c5b1835ff24aab11d84bdbb17d5df4f60abdd8

          SHA256

          26e37bb3732bb02dcaaeb827f8ec024b9f3059bf2a9c3299f625ef14a7ebbb63

          SHA512

          fe3a57639ca46f4580d896806900d39ce51a4e260cc6b1c5f833791a289359b63d4bad1b027f04f2685299f7751944fe23a854472a4f7a8addd61731cb45dab3

        • C:\Windows\9DBE.tmp

          MD5

          347ac3b6b791054de3e5720a7144a977

          SHA1

          413eba3973a15c1a6429d9f170f3e8287f98c21c

          SHA256

          301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

          SHA512

          9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

        • C:\Windows\9DBE.tmp

          MD5

          347ac3b6b791054de3e5720a7144a977

          SHA1

          413eba3973a15c1a6429d9f170f3e8287f98c21c

          SHA256

          301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

          SHA512

          9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

        • C:\Windows\Tasks\RegistrySmart Scheduled Scan.job

          MD5

          065a35daf548fe1dd57bd18a978d967c

          SHA1

          f3815eab9d1880951c2e7038f2ab75397549177f

          SHA256

          ba5c875ee1bfb71b9ba7c195b7d3fc02e02b8e7f4b6927636b503fe58e08d46e

          SHA512

          efe07ce2adfcf0fedd76dd4695b95f359df72945b7f1dac4adb97ae209d8278efb39a3273490cfe5b20c477f48af1cd32460e125dfb3acd7a9aecb1ea134a59c

        • memory/8-27-0x0000000000000000-mapping.dmp

        • memory/296-30-0x0000000000000000-mapping.dmp

        • memory/816-19-0x0000000000000000-mapping.dmp

        • memory/1224-7-0x0000000000000000-mapping.dmp

        • memory/1344-15-0x0000000000000000-mapping.dmp

        • memory/1412-3-0x0000000000000000-mapping.dmp

        • memory/1424-26-0x0000000000000000-mapping.dmp

        • memory/1624-12-0x0000000000000000-mapping.dmp

        • memory/1624-13-0x0000000003A80000-0x0000000003AE8000-memory.dmp

          Filesize

          416KB

        • memory/1740-28-0x0000000000000000-mapping.dmp

        • memory/1804-24-0x0000000000000000-mapping.dmp

        • memory/1964-17-0x0000000000000000-mapping.dmp

        • memory/2264-29-0x0000000000000000-mapping.dmp

        • memory/2968-31-0x0000000000000000-mapping.dmp

        • memory/3124-9-0x0000000000000000-mapping.dmp

        • memory/3180-18-0x0000000000000000-mapping.dmp

        • memory/3228-25-0x0000000000000000-mapping.dmp

        • memory/3316-22-0x0000000000000000-mapping.dmp

        • memory/3872-0-0x0000000000000000-mapping.dmp

        • memory/4056-16-0x0000000000000000-mapping.dmp

        • memory/4084-14-0x0000000000000000-mapping.dmp