Analysis

  • max time kernel
    136s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 21:19

General

  • Target

    c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa.exe

  • Size

    1011KB

  • MD5

    73528b74e4edb1c32a4d88abe34ae437

  • SHA1

    b97c0fc8a34e88c03704e43829c550d765398a3c

  • SHA256

    c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa

  • SHA512

    523cd56a44e91fc3084b76d68dbce6e77dac190716833cce455d2091894b403def7132475ec748b0d26fed90a4fcfc5d5f65f0eba098bc7d8ac4853ae9e547ec

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • Modifies Windows Firewall 1 TTPs
  • Drops desktop.ini file(s) 5 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • NTFS ADS 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa.exe
    "C:\Users\Admin\AppData\Local\Temp\c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3532
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:3356
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4236
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3604
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:4104
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3108
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4372
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:4720
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4912
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:384
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:1832
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4000
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:4396
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:2284
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:1768
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:2000
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:2352
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3472
                      • C:\Windows\SysWOW64\net.exe
                        net stop SQLSERVERAGENT
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3172
                        • C:\Windows\SysWOW64\net1.exe
                          C:\Windows\system32\net1 stop SQLSERVERAGENT
                          4⤵
                            PID:4328
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                        2⤵
                          PID:4004
                          • C:\Windows\SysWOW64\net.exe
                            net stop MSSQLSERVER
                            3⤵
                              PID:208
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop MSSQLSERVER
                                4⤵
                                  PID:2364
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c net stop vds
                              2⤵
                                PID:1064
                                • C:\Windows\SysWOW64\net.exe
                                  net stop vds
                                  3⤵
                                    PID:968
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 stop vds
                                      4⤵
                                        PID:1860
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                    2⤵
                                      PID:1876
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh advfirewall set currentprofile state off
                                        3⤵
                                          PID:1976
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                        2⤵
                                          PID:3468
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall set opmode mode=disable
                                            3⤵
                                              PID:1676

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • memory/208-152-0x0000000000000000-mapping.dmp

                                        • memory/384-140-0x0000000000000000-mapping.dmp

                                        • memory/968-155-0x0000000000000000-mapping.dmp

                                        • memory/1064-154-0x0000000000000000-mapping.dmp

                                        • memory/1676-160-0x0000000000000000-mapping.dmp

                                        • memory/1768-145-0x0000000000000000-mapping.dmp

                                        • memory/1832-141-0x0000000000000000-mapping.dmp

                                        • memory/1860-156-0x0000000000000000-mapping.dmp

                                        • memory/1876-157-0x0000000000000000-mapping.dmp

                                        • memory/1976-158-0x0000000000000000-mapping.dmp

                                        • memory/2000-146-0x0000000000000000-mapping.dmp

                                        • memory/2284-144-0x0000000000000000-mapping.dmp

                                        • memory/2352-147-0x0000000000000000-mapping.dmp

                                        • memory/2364-153-0x0000000000000000-mapping.dmp

                                        • memory/2420-130-0x0000000000000000-mapping.dmp

                                        • memory/3108-136-0x0000000000000000-mapping.dmp

                                        • memory/3172-149-0x0000000000000000-mapping.dmp

                                        • memory/3356-132-0x0000000000000000-mapping.dmp

                                        • memory/3468-159-0x0000000000000000-mapping.dmp

                                        • memory/3472-148-0x0000000000000000-mapping.dmp

                                        • memory/3532-131-0x0000000000000000-mapping.dmp

                                        • memory/3604-134-0x0000000000000000-mapping.dmp

                                        • memory/4000-142-0x0000000000000000-mapping.dmp

                                        • memory/4004-151-0x0000000000000000-mapping.dmp

                                        • memory/4104-135-0x0000000000000000-mapping.dmp

                                        • memory/4236-133-0x0000000000000000-mapping.dmp

                                        • memory/4328-150-0x0000000000000000-mapping.dmp

                                        • memory/4372-137-0x0000000000000000-mapping.dmp

                                        • memory/4396-143-0x0000000000000000-mapping.dmp

                                        • memory/4720-138-0x0000000000000000-mapping.dmp

                                        • memory/4912-139-0x0000000000000000-mapping.dmp