Analysis

  • max time kernel
    97s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    06-03-2022 00:52

General

  • Target

    3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451.exe

  • Size

    1.3MB

  • MD5

    fd051c28d517d4a4cfaf09fe5c0f6b3e

  • SHA1

    e960aee473dc56902276e1d91392fb04597f58df

  • SHA256

    3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451

  • SHA512

    06c0edd9e6cd88f71b4c5547b961b66b5b22ca78f45489f6f9f0c9a3caba1228f09ff7a58222fe14fc78ddf58f1a6ef4fa5a2cbf63cb9ec8c103073844b66397

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • Modifies Windows Firewall 1 TTPs
  • 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
  • Program crash 5 IoCs
  • NTFS ADS 27 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451.exe
    "C:\Users\Admin\AppData\Local\Temp\3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop MSDTC
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\SysWOW64\net.exe
        net stop MSDTC
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3600
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MSDTC
          4⤵
            PID:2092
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
          PID:2280
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
          2⤵
            PID:3604
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
            2⤵
              PID:2684
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1324
              • C:\Windows\SysWOW64\net.exe
                net stop SQLSERVERAGENT
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2996
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop SQLSERVERAGENT
                  4⤵
                    PID:3060
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3504
                • C:\Windows\SysWOW64\net.exe
                  net stop MSSQLSERVER
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3900
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSSQLSERVER
                    4⤵
                      PID:3396
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c net stop vds
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1972
                  • C:\Windows\SysWOW64\net.exe
                    net stop vds
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4052
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop vds
                      4⤵
                        PID:4048
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3872
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh advfirewall set currentprofile state off
                      3⤵
                        PID:3204
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3320
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh firewall set opmode mode=disable
                        3⤵
                          PID:1756
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop SQLWriter
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:100
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLWriter
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:204
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop SQLWriter
                            4⤵
                              PID:2188
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c net stop SQLBrowser
                          2⤵
                            PID:1508
                            • C:\Windows\SysWOW64\net.exe
                              net stop SQLBrowser
                              3⤵
                                PID:4040
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop SQLBrowser
                                  4⤵
                                    PID:2900
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                                2⤵
                                  PID:1648
                                  • C:\Windows\SysWOW64\net.exe
                                    net stop MSSQLSERVER
                                    3⤵
                                      PID:1512
                                      • C:\Windows\SysWOW64\net1.exe
                                        C:\Windows\system32\net1 stop MSSQLSERVER
                                        4⤵
                                          PID:1500
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
                                      2⤵
                                        PID:1920
                                        • C:\Windows\SysWOW64\net.exe
                                          net stop MSSQL$CONTOSO1
                                          3⤵
                                            PID:2040
                                            • C:\Windows\SysWOW64\net1.exe
                                              C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                                              4⤵
                                                PID:2988
                                        • C:\Windows\system32\WerFault.exe
                                          C:\Windows\system32\WerFault.exe -pss -s 408 -p 2532 -ip 2532
                                          1⤵
                                            PID:2128
                                          • C:\Windows\system32\WerFault.exe
                                            C:\Windows\system32\WerFault.exe -u -p 2532 -s 3224
                                            1⤵
                                            • Program crash
                                            PID:3600
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:1932
                                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                              1⤵
                                                PID:3448
                                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                1⤵
                                                  PID:560
                                                  • C:\Windows\system32\WerFault.exe
                                                    C:\Windows\system32\WerFault.exe -u -p 560 -s 3288
                                                    2⤵
                                                    • Program crash
                                                    PID:2508
                                                • C:\Windows\system32\WerFault.exe
                                                  C:\Windows\system32\WerFault.exe -pss -s 452 -p 560 -ip 560
                                                  1⤵
                                                    PID:3764
                                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                    1⤵
                                                      PID:3112
                                                      • C:\Windows\system32\WerFault.exe
                                                        C:\Windows\system32\WerFault.exe -u -p 3112 -s 4212
                                                        2⤵
                                                        • Program crash
                                                        PID:3892
                                                    • C:\Windows\system32\WerFault.exe
                                                      C:\Windows\system32\WerFault.exe -pss -s 504 -p 3112 -ip 3112
                                                      1⤵
                                                        PID:3620
                                                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                        1⤵
                                                          PID:736
                                                          • C:\Windows\system32\WerFault.exe
                                                            C:\Windows\system32\WerFault.exe -u -p 736 -s 3912
                                                            2⤵
                                                            • Program crash
                                                            PID:3444
                                                        • C:\Windows\system32\WerFault.exe
                                                          C:\Windows\system32\WerFault.exe -pss -s 516 -p 736 -ip 736
                                                          1⤵
                                                            PID:2464
                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                            1⤵
                                                              PID:3736
                                                              • C:\Windows\system32\WerFault.exe
                                                                C:\Windows\system32\WerFault.exe -u -p 3736 -s 4332
                                                                2⤵
                                                                • Program crash
                                                                PID:2952
                                                            • C:\Windows\system32\WerFault.exe
                                                              C:\Windows\system32\WerFault.exe -pss -s 516 -p 3736 -ip 3736
                                                              1⤵
                                                                PID:3116

                                                              Network

                                                              MITRE ATT&CK Enterprise v6

                                                              Replay Monitor

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                                                              Downloads

                                                              • memory/3736-244-0x0000019BF8121000-0x0000019BF8122000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/3736-245-0x0000019BF8121000-0x0000019BF8122000-memory.dmp

                                                                Filesize

                                                                4KB