Analysis

  • max time kernel
    70s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05-03-2022 20:01

General

  • Target

    e008d7bb6343bc6424be5a2a4515a07c8a60d17bfb5a8653ab74822e585f03b6.exe

  • Size

    1.3MB

  • MD5

    310c70d59334868d4831f9f9cdb879ab

  • SHA1

    7b522bbde3dce99de92fcfb952d672a3923e00c1

  • SHA256

    e008d7bb6343bc6424be5a2a4515a07c8a60d17bfb5a8653ab74822e585f03b6

  • SHA512

    da1b987065a39c1b83dd1b245550292b6038d34c9113eb720381404d681717593321028fe00f5d835cc99fd0606d65fc3525c8ce218c19eb2e459a8d7603e993

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • Modifies Windows Firewall 1 TTPs
  • Drops desktop.ini file(s) 6 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 Program Files directory 64 IoCs
  • Program crash 5 IoCs
  • NTFS ADS 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e008d7bb6343bc6424be5a2a4515a07c8a60d17bfb5a8653ab74822e585f03b6.exe
    "C:\Users\Admin\AppData\Local\Temp\e008d7bb6343bc6424be5a2a4515a07c8a60d17bfb5a8653ab74822e585f03b6.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop MSDTC
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\net.exe
        net stop MSDTC
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3164
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MSDTC
          4⤵
            PID:3028
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
          PID:1656
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
          2⤵
            PID:3628
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
            2⤵
              PID:2768
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1488
              • C:\Windows\SysWOW64\net.exe
                net stop SQLSERVERAGENT
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2244
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop SQLSERVERAGENT
                  4⤵
                    PID:3844
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3808
                • C:\Windows\SysWOW64\net.exe
                  net stop MSSQLSERVER
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3852
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSSQLSERVER
                    4⤵
                      PID:2584
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c net stop vds
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1504
                  • C:\Windows\SysWOW64\net.exe
                    net stop vds
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2164
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop vds
                      4⤵
                        PID:1856
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:640
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh advfirewall set currentprofile state off
                      3⤵
                        PID:3004
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1996
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh firewall set opmode mode=disable
                        3⤵
                          PID:2688
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop SQLWriter
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2980
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLWriter
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3596
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop SQLWriter
                            4⤵
                              PID:4044
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c net stop SQLBrowser
                          2⤵
                            PID:364
                            • C:\Windows\SysWOW64\net.exe
                              net stop SQLBrowser
                              3⤵
                                PID:2952
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop SQLBrowser
                                  4⤵
                                    PID:1328
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                                2⤵
                                  PID:2776
                                  • C:\Windows\SysWOW64\net.exe
                                    net stop MSSQLSERVER
                                    3⤵
                                      PID:3980
                                      • C:\Windows\SysWOW64\net1.exe
                                        C:\Windows\system32\net1 stop MSSQLSERVER
                                        4⤵
                                          PID:3984
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
                                      2⤵
                                        PID:2648
                                        • C:\Windows\SysWOW64\net.exe
                                          net stop MSSQL$CONTOSO1
                                          3⤵
                                            PID:764
                                            • C:\Windows\SysWOW64\net1.exe
                                              C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                                              4⤵
                                                PID:676
                                        • C:\Windows\system32\WerFault.exe
                                          C:\Windows\system32\WerFault.exe -pss -s 412 -p 2456 -ip 2456
                                          1⤵
                                            PID:3868
                                          • C:\Windows\system32\WerFault.exe
                                            C:\Windows\system32\WerFault.exe -u -p 2456 -s 1448
                                            1⤵
                                            • Program crash
                                            PID:3900
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:924
                                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                              1⤵
                                                PID:2776
                                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                1⤵
                                                  PID:3380
                                                  • C:\Windows\system32\WerFault.exe
                                                    C:\Windows\system32\WerFault.exe -u -p 3380 -s 4420
                                                    2⤵
                                                    • Program crash
                                                    PID:2576
                                                • C:\Windows\system32\WerFault.exe
                                                  C:\Windows\system32\WerFault.exe -pss -s 524 -p 3380 -ip 3380
                                                  1⤵
                                                    PID:2700
                                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                    1⤵
                                                      PID:1972
                                                      • C:\Windows\system32\WerFault.exe
                                                        C:\Windows\system32\WerFault.exe -u -p 1972 -s 3880
                                                        2⤵
                                                        • Program crash
                                                        PID:1852
                                                    • C:\Windows\system32\WerFault.exe
                                                      C:\Windows\system32\WerFault.exe -pss -s 356 -p 1972 -ip 1972
                                                      1⤵
                                                        PID:1200
                                                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                        1⤵
                                                          PID:2540
                                                          • C:\Windows\system32\WerFault.exe
                                                            C:\Windows\system32\WerFault.exe -u -p 2540 -s 4260
                                                            2⤵
                                                            • Program crash
                                                            PID:3324
                                                        • C:\Windows\system32\WerFault.exe
                                                          C:\Windows\system32\WerFault.exe -pss -s 540 -p 2540 -ip 2540
                                                          1⤵
                                                            PID:2580
                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                            1⤵
                                                              PID:3192
                                                              • C:\Windows\system32\WerFault.exe
                                                                C:\Windows\system32\WerFault.exe -u -p 3192 -s 3952
                                                                2⤵
                                                                • Program crash
                                                                PID:3496
                                                            • C:\Windows\system32\WerFault.exe
                                                              C:\Windows\system32\WerFault.exe -pss -s 528 -p 3192 -ip 3192
                                                              1⤵
                                                                PID:3664
                                                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                1⤵
                                                                  PID:3352

                                                                Network

                                                                MITRE ATT&CK Enterprise v6

                                                                Replay Monitor

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                                                                Downloads

                                                                • memory/2540-215-0x0000024341D00000-0x0000024341E00000-memory.dmp

                                                                  Filesize

                                                                  1024KB

                                                                • memory/3380-144-0x000001EF50750000-0x000001EF50758000-memory.dmp

                                                                  Filesize

                                                                  32KB