Analysis

  • max time kernel
    4294110s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    05-03-2022 19:26

General

  • Target

    398f2d4704aa884e676cf971b7cfaba82ce8b0d791b63b51c36bd76b4484cca7.exe

  • Size

    1.3MB

  • MD5

    056a68f7c923ced5e13df36cd7ffba93

  • SHA1

    a386d3650975bafd35aee69cd59b895780b0b70b

  • SHA256

    398f2d4704aa884e676cf971b7cfaba82ce8b0d791b63b51c36bd76b4484cca7

  • SHA512

    b218331bbdfc793a490a0b82d38300d1aeb829b355ec91c8a7a80f78772052d6a0dcd7a8bd65d9e85f28b4b010deb0537c9c6cc526381f9f8649fbdae8bb514b

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • Drops file in Drivers directory 39 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 3 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 autorun.inf file 1 TTPs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\398f2d4704aa884e676cf971b7cfaba82ce8b0d791b63b51c36bd76b4484cca7.exe
    "C:\Users\Admin\AppData\Local\Temp\398f2d4704aa884e676cf971b7cfaba82ce8b0d791b63b51c36bd76b4484cca7.exe"
    1⤵
    • Drops file in Drivers directory
    • 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:1152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop MSDTC
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\SysWOW64\net.exe
        net stop MSDTC
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:524
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MSDTC
          4⤵
            PID:268
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
          PID:1144
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
          2⤵
            PID:1216
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
            2⤵
              PID:292
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1364
              • C:\Windows\SysWOW64\net.exe
                net stop SQLSERVERAGENT
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1556
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop SQLSERVERAGENT
                  4⤵
                    PID:1184
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:636
                • C:\Windows\SysWOW64\net.exe
                  net stop MSSQLSERVER
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1636
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSSQLSERVER
                    4⤵
                      PID:1192
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c net stop vds
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1484
                  • C:\Windows\SysWOW64\net.exe
                    net stop vds
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1820
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop vds
                      4⤵
                        PID:1684
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                    2⤵
                      PID:2000
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh advfirewall set currentprofile state off
                        3⤵
                          PID:1588
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                        2⤵
                          PID:916
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh firewall set opmode mode=disable
                            3⤵
                              PID:808
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop SQLWriter
                            2⤵
                              PID:1972
                              • C:\Windows\SysWOW64\net.exe
                                net stop SQLWriter
                                3⤵
                                  PID:768
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop SQLWriter
                                    4⤵
                                      PID:2032
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop SQLBrowser
                                  2⤵
                                    PID:1912
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop SQLBrowser
                                      3⤵
                                        PID:2044
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop SQLBrowser
                                          4⤵
                                            PID:836
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                                        2⤵
                                          PID:1952
                                          • C:\Windows\SysWOW64\net.exe
                                            net stop MSSQLSERVER
                                            3⤵
                                              PID:1736
                                              • C:\Windows\SysWOW64\net1.exe
                                                C:\Windows\system32\net1 stop MSSQLSERVER
                                                4⤵
                                                  PID:748
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
                                              2⤵
                                                PID:1740
                                                • C:\Windows\SysWOW64\net.exe
                                                  net stop MSSQL$CONTOSO1
                                                  3⤵
                                                    PID:2008
                                                    • C:\Windows\SysWOW64\net1.exe
                                                      C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                                                      4⤵
                                                        PID:2028
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 424
                                                    2⤵
                                                    • Program crash
                                                    PID:1064

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • memory/1588-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

                                                  Filesize

                                                  8KB