Overview

overview

10

Static

static

7550228f68...19.exe

windows7_x64

10

7550228f68...19.exe

windows10_x64

10

Analysis

  • max time kernel
    74s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    02-05-2020 23:57

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General

  • Target

    7550228f681474a038e957f86b84f182df3a1748aacf6cc7d60638f8b2784319.exe

  • Size

    997KB

  • MD5

    5425c30ebba4f84d1874a2c783932646

  • SHA1

    80db4a06b57e61695389c354f155c26bb125bd71

  • SHA256

    7550228f681474a038e957f86b84f182df3a1748aacf6cc7d60638f8b2784319

  • SHA512

    457b1539296379bd93adfbc8c3a172405f9c341d9d8aa1c6a8c1dbb0ff52ae564911b1a1218ec5613a5e9e2bcca0c00001d118fb36868391ee93f8155b304f1f

Score
10/10
evasionransomwareouroboros

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Drops desktop.ini file(s) 7 IoCs
  • Drops file in Program Files directory 12754 IoCs
  • Runs net.exe
  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

    ransomwareouroboros
  • Suspicious use of WriteProcessMemory 93 IoCs
  • NTFS ADS 2 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Makes http(s) request 1 IoCs

    Contacts server via http/https, possibly for C2 communication.

Processes

  • C:\Users\Admin\AppData\Local\Temp\7550228f681474a038e957f86b84f182df3a1748aacf6cc7d60638f8b2784319.exe
    "C:\Users\Admin\AppData\Local\Temp\7550228f681474a038e957f86b84f182df3a1748aacf6cc7d60638f8b2784319.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    • NTFS ADS
    PID:1612
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1880
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:2392
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:296
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1924
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3604
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:3816
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4048
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3324
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:2360
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3912
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:4036
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:3256
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:3252
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:2936
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:3420
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1404
                      • C:\Windows\SysWOW64\net.exe
                        net stop SQLSERVERAGENT
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1448
                        • C:\Windows\SysWOW64\net1.exe
                          C:\Windows\system32\net1 stop SQLSERVERAGENT
                          4⤵
                            PID:1440
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                        2⤵
                          PID:2032
                          • C:\Windows\SysWOW64\net.exe
                            net stop MSSQLSERVER
                            3⤵
                              PID:3752
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop MSSQLSERVER
                                4⤵
                                  PID:3736
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c net stop vds
                              2⤵
                                PID:1740
                                • C:\Windows\SysWOW64\net.exe
                                  net stop vds
                                  3⤵
                                    PID:1228
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 stop vds
                                      4⤵
                                        PID:1320
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                    2⤵
                                      PID:1660
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh advfirewall set currentprofile state off
                                        3⤵
                                          PID:2784
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                        2⤵
                                          PID:3952
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall set opmode mode=disable
                                            3⤵
                                              PID:3944

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • memory/1612-0-0x0000000001210000-0x0000000001211000-memory.dmp

                                          Filesize

                                          4KB

                                          Download

                                        • memory/1612-1-0x0000000001A10000-0x0000000001A11000-memory.dmp

                                          Filesize

                                          4KB

                                          Download

                                        • memory/1612-2-0x0000000001210000-0x0000000001211000-memory.dmp

                                          Filesize

                                          4KB

                                          Download

                                        • memory/1612-6-0x0000000001210000-0x0000000001211000-memory.dmp

                                          Filesize

                                          4KB

                                          Download