Analysis

  • max time kernel
    59s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-11-2020 09:12

General

  • Target

    4edbf440ba4b005cc2d7b70145e9b8aba4bfb3e5f09027398bf29f4079c8bd6f.exe

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 64 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4edbf440ba4b005cc2d7b70145e9b8aba4bfb3e5f09027398bf29f4079c8bd6f.exe
    "C:\Users\Admin\AppData\Local\Temp\4edbf440ba4b005cc2d7b70145e9b8aba4bfb3e5f09027398bf29f4079c8bd6f.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop MSDTC
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\net.exe
        net stop MSDTC
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MSDTC
          4⤵
            PID:800
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
          PID:1968
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
          2⤵
            PID:1888
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
            2⤵
              PID:1732
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1768
              • C:\Windows\SysWOW64\net.exe
                net stop SQLSERVERAGENT
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1764
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop SQLSERVERAGENT
                  4⤵
                    PID:1100
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1104
                • C:\Windows\SysWOW64\net.exe
                  net stop MSSQLSERVER
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1092
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSSQLSERVER
                    4⤵
                      PID:1936
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c net stop vds
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1636
                  • C:\Windows\SysWOW64\net.exe
                    net stop vds
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1892
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop vds
                      4⤵
                        PID:2012
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                    2⤵
                      PID:2024
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh advfirewall set currentprofile state off
                        3⤵
                          PID:976
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                        2⤵
                          PID:1500
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh firewall set opmode mode=disable
                            3⤵
                              PID:1524
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop SQLWriter
                            2⤵
                              PID:1984
                              • C:\Windows\SysWOW64\net.exe
                                net stop SQLWriter
                                3⤵
                                  PID:1728
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop SQLWriter
                                    4⤵
                                      PID:1964
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop SQLBrowser
                                  2⤵
                                    PID:1960
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop SQLBrowser
                                      3⤵
                                        PID:1708
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop SQLBrowser
                                          4⤵
                                            PID:1780
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                                        2⤵
                                          PID:1732
                                          • C:\Windows\SysWOW64\net.exe
                                            net stop MSSQLSERVER
                                            3⤵
                                              PID:648
                                              • C:\Windows\SysWOW64\net1.exe
                                                C:\Windows\system32\net1 stop MSSQLSERVER
                                                4⤵
                                                  PID:1764
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
                                              2⤵
                                                PID:1768
                                                • C:\Windows\SysWOW64\net.exe
                                                  net stop MSSQL$CONTOSO1
                                                  3⤵
                                                    PID:1840
                                                    • C:\Windows\SysWOW64\net1.exe
                                                      C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                                                      4⤵
                                                        PID:1092

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                • memory/280-1-0x0000000000000000-mapping.dmp

                                                • memory/648-26-0x0000000000000000-mapping.dmp

                                                • memory/800-2-0x0000000000000000-mapping.dmp

                                                • memory/976-16-0x0000000000000000-mapping.dmp

                                                • memory/1092-30-0x0000000000000000-mapping.dmp

                                                • memory/1092-10-0x0000000000000000-mapping.dmp

                                                • memory/1100-8-0x0000000000000000-mapping.dmp

                                                • memory/1104-9-0x0000000000000000-mapping.dmp

                                                • memory/1500-17-0x0000000000000000-mapping.dmp

                                                • memory/1524-18-0x0000000000000000-mapping.dmp

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

                                                • memory/1636-12-0x0000000000000000-mapping.dmp

                                                • memory/1708-23-0x0000000000000000-mapping.dmp

                                                • memory/1728-20-0x0000000000000000-mapping.dmp

                                                • memory/1732-25-0x0000000000000000-mapping.dmp

                                                • memory/1732-5-0x0000000000000000-mapping.dmp

                                                • memory/1764-7-0x0000000000000000-mapping.dmp

                                                • memory/1764-27-0x0000000000000000-mapping.dmp

                                                • memory/1768-28-0x0000000000000000-mapping.dmp

                                                • memory/1768-6-0x0000000000000000-mapping.dmp

                                                • memory/1780-24-0x0000000000000000-mapping.dmp

                                                • memory/1840-29-0x0000000000000000-mapping.dmp

                                                • memory/1888-4-0x0000000000000000-mapping.dmp

                                                • memory/1892-13-0x0000000000000000-mapping.dmp

                                                • memory/1936-11-0x0000000000000000-mapping.dmp

                                                • memory/1936-50-0x0000000001FE0000-0x0000000001FF1000-memory.dmp

                                                  Filesize

                                                  68KB

                                                • memory/1936-49-0x0000000000000000-mapping.dmp

                                                • memory/1936-51-0x00000000025E0000-0x00000000025F1000-memory.dmp

                                                  Filesize

                                                  68KB

                                                • memory/1960-22-0x0000000000000000-mapping.dmp

                                                • memory/1964-21-0x0000000000000000-mapping.dmp

                                                • memory/1968-3-0x0000000000000000-mapping.dmp

                                                • memory/1984-19-0x0000000000000000-mapping.dmp

                                                • memory/2012-14-0x0000000000000000-mapping.dmp

                                                • memory/2024-15-0x0000000000000000-mapping.dmp

                                                • memory/2036-33-0x0000000000CB0000-0x0000000000CC1000-memory.dmp

                                                  Filesize

                                                  68KB

                                                • memory/2036-32-0x00000000010C0000-0x00000000010D1000-memory.dmp

                                                  Filesize

                                                  68KB

                                                • memory/2036-31-0x0000000000CB0000-0x0000000000CC1000-memory.dmp

                                                  Filesize

                                                  68KB