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Analysis

  • max time kernel
    152s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 06:25

General

  • Target

    bac8c3a225bbbbc6b93c1ca77efbf1cfc5008fbdd69bddec1061e6278f5cfaa0.exe

  • Size

    460KB

  • MD5

    fa701c98f73d0572c34666f5af43d82f

  • SHA1

    01357c249d9c7657ccf3d65fa6e1e55dd3117623

  • SHA256

    bac8c3a225bbbbc6b93c1ca77efbf1cfc5008fbdd69bddec1061e6278f5cfaa0

  • SHA512

    0654062c74083cfbf108f73f4b390874f943936abf2cdb35322aeb235a412f82acde531520e46224a0637eca7b7c04f12dc72bd7d83ef6262eb5f320133ac05d

  • SSDEEP

    6144:CBapC9DUIYmO5Kv5Q7X/l/rYvkW1VxxfnzrV9UAH0ctkPfc92F8+YLpIh9jhl:9pQD+mO5KWy/zrVbt4fcY7Y9U9jv

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bac8c3a225bbbbc6b93c1ca77efbf1cfc5008fbdd69bddec1061e6278f5cfaa0.exe
    "C:\Users\Admin\AppData\Local\Temp\bac8c3a225bbbbc6b93c1ca77efbf1cfc5008fbdd69bddec1061e6278f5cfaa0.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\LSASS.exe
      "C:\Windows\LSASS.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
        3⤵
          PID:1112
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:676
        • C:\Users\Admin\LSASS.exe
          "C:\Users\Admin\LSASS.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1716
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:1660
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:1712
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:540
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:688
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:1932
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:936
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:1772
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:800
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:1124
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:2004
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:1556
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
          • Adds Run key to start application
          PID:2024
        • C:\Windows\SysWOW64\REG.exe
          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
          3⤵
            PID:1304
          • C:\Windows\SysWOW64\REG.exe
            REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
            3⤵
            • Adds Run key to start application
            PID:1788
          • C:\Windows\SysWOW64\REG.exe
            REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
            3⤵
              PID:1180
            • C:\Windows\SysWOW64\REG.exe
              REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
              3⤵
              • Adds Run key to start application
              PID:1612
            • C:\Windows\SysWOW64\REG.exe
              REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
              3⤵
                PID:588
              • C:\Windows\SysWOW64\REG.exe
                REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                3⤵
                • Adds Run key to start application
                PID:1736
              • C:\Windows\SysWOW64\REG.exe
                REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                3⤵
                • Adds Run key to start application
                PID:1780
              • C:\Windows\SysWOW64\REG.exe
                REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                3⤵
                  PID:332
                • C:\Windows\SysWOW64\REG.exe
                  REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                  3⤵
                  • Adds Run key to start application
                  PID:1488
                • C:\Windows\SysWOW64\REG.exe
                  REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                  3⤵
                    PID:1368
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                    • Adds Run key to start application
                    PID:364
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                    • Adds Run key to start application
                    PID:1580
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                    • Adds Run key to start application
                    PID:932
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                    • Adds Run key to start application
                    PID:1420
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                    • Adds Run key to start application
                    PID:1320
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                    • Adds Run key to start application
                    PID:2012
                  • C:\Windows\SysWOW64\REG.exe
                    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                    3⤵
                      PID:1308
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:612
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:784
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1412
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:2004
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1968
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1808
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1908
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:956
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:960
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1612
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1624
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:1736
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:2044
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:536
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                      • Adds Run key to start application
                      PID:568
                    • C:\Windows\SysWOW64\REG.exe
                      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                      3⤵
                        PID:1488
                      • C:\Windows\SysWOW64\REG.exe
                        REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                        3⤵
                        • Adds Run key to start application
                        PID:984
                      • C:\Windows\SysWOW64\REG.exe
                        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                        3⤵
                          PID:364
                        • C:\Windows\SysWOW64\REG.exe
                          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                          3⤵
                          • Adds Run key to start application
                          PID:112
                        • C:\Windows\SysWOW64\REG.exe
                          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                          3⤵
                          • Adds Run key to start application
                          PID:1416
                        • C:\Windows\SysWOW64\REG.exe
                          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                          3⤵
                          • Adds Run key to start application
                          PID:296
                        • C:\Windows\SysWOW64\REG.exe
                          REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                          3⤵
                          • Adds Run key to start application
                          PID:1988
                        • C:\Windows\SysWOW64\REG.exe
                          REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
                          3⤵
                            PID:1980

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\LSASS.exe

                        Filesize

                        460KB

                        MD5

                        130baa31b3fe2404069a43c943fbfcec

                        SHA1

                        9bc3a8242424ad9be542e3e182d584a02a2f1066

                        SHA256

                        a46eb548aa1e328424443979a32947c81b2f8e638b3626c00141f0b4570fe5dd

                        SHA512

                        9882cc350ffed35634b1efc432282b2751ea7e1f6e532a1fe17859ed94f2184657c676b161cbb373ac82377353a3d9664c0b36afb22c6ead68f13ce7789fcdf1

                      • C:\Windows\LSASS.exe

                        Filesize

                        460KB

                        MD5

                        6271d7f87747df88d994293422cef4ec

                        SHA1

                        d397ae994831bbb837951819a8cae8ac77a0c8dc

                        SHA256

                        b234cab89370c8da86219d58c2e2549c51384330147050bedfed2940e029cb39

                        SHA512

                        e05103af7cdbf024a774fcea1ce68d596d5f7dd209f8b5424ff6f9d4c1ce1a95ad99d640f6bf022403649b95ebd06246bf6d1686ca952e7e985396125b555dfd

                      • C:\Windows\LSASS.exe

                        Filesize

                        460KB

                        MD5

                        6271d7f87747df88d994293422cef4ec

                        SHA1

                        d397ae994831bbb837951819a8cae8ac77a0c8dc

                        SHA256

                        b234cab89370c8da86219d58c2e2549c51384330147050bedfed2940e029cb39

                        SHA512

                        e05103af7cdbf024a774fcea1ce68d596d5f7dd209f8b5424ff6f9d4c1ce1a95ad99d640f6bf022403649b95ebd06246bf6d1686ca952e7e985396125b555dfd

                      • \Users\Admin\LSASS.exe

                        Filesize

                        460KB

                        MD5

                        130baa31b3fe2404069a43c943fbfcec

                        SHA1

                        9bc3a8242424ad9be542e3e182d584a02a2f1066

                        SHA256

                        a46eb548aa1e328424443979a32947c81b2f8e638b3626c00141f0b4570fe5dd

                        SHA512

                        9882cc350ffed35634b1efc432282b2751ea7e1f6e532a1fe17859ed94f2184657c676b161cbb373ac82377353a3d9664c0b36afb22c6ead68f13ce7789fcdf1

                      • \Users\Admin\LSASS.exe

                        Filesize

                        460KB

                        MD5

                        130baa31b3fe2404069a43c943fbfcec

                        SHA1

                        9bc3a8242424ad9be542e3e182d584a02a2f1066

                        SHA256

                        a46eb548aa1e328424443979a32947c81b2f8e638b3626c00141f0b4570fe5dd

                        SHA512

                        9882cc350ffed35634b1efc432282b2751ea7e1f6e532a1fe17859ed94f2184657c676b161cbb373ac82377353a3d9664c0b36afb22c6ead68f13ce7789fcdf1

                      • memory/1552-54-0x0000000075681000-0x0000000075683000-memory.dmp

                        Filesize

                        8KB