Analysis

  • max time kernel
    42s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    11-09-2020 05:46

General

  • Target

    a6f33427a356dca0420466bcc3283592e87caf4c8224c7d50819f69c71edd461.exe

  • Size

    994KB

  • MD5

    62ae12ef05bb6ad38cf30d8c35efd416

  • SHA1

    90049acd442225de16124a89835eed61f4202a8b

  • SHA256

    a6f33427a356dca0420466bcc3283592e87caf4c8224c7d50819f69c71edd461

  • SHA512

    0114ca7c03291783732a2cbcbbbc4f6a2250c3ad41aaa415be6e85aa28daad85b668f4f0177357c3fdf1c861830bb8b24d378390de7736a57660182ac3c3709a

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Drops file in Drivers directory 9 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 1 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
  • 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 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • NTFS ADS 30 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6f33427a356dca0420466bcc3283592e87caf4c8224c7d50819f69c71edd461.exe
    "C:\Users\Admin\AppData\Local\Temp\a6f33427a356dca0420466bcc3283592e87caf4c8224c7d50819f69c71edd461.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
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:1504
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:1836
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1364
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1776
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:1788
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1752
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1584
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:1600
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1652
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1552
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:1920
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:1872
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:1876
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:1964
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                        PID:1980
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLSERVERAGENT
                          3⤵
                            PID:2032
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop SQLSERVERAGENT
                              4⤵
                                PID:1032
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                            2⤵
                              PID:396
                              • C:\Windows\SysWOW64\net.exe
                                net stop MSSQLSERVER
                                3⤵
                                  PID:464
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop MSSQLSERVER
                                    4⤵
                                      PID:1320
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop vds
                                  2⤵
                                    PID:512
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop vds
                                      3⤵
                                        PID:1760
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop vds
                                          4⤵
                                            PID:852
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                        2⤵
                                          PID:1212
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh advfirewall set currentprofile state off
                                            3⤵
                                              PID:756
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                            2⤵
                                              PID:980
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh firewall set opmode mode=disable
                                                3⤵
                                                  PID:1984

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/396-21-0x0000000000000000-mapping.dmp

                                            • memory/464-22-0x0000000000000000-mapping.dmp

                                            • memory/512-24-0x0000000000000000-mapping.dmp

                                            • memory/756-28-0x0000000000000000-mapping.dmp

                                            • memory/852-26-0x0000000000000000-mapping.dmp

                                            • memory/980-29-0x0000000000000000-mapping.dmp

                                            • memory/1032-20-0x0000000000000000-mapping.dmp

                                            • memory/1080-31-0x0000000000A30000-0x0000000000A41000-memory.dmp

                                              Filesize

                                              68KB

                                            • memory/1080-33-0x0000000000A30000-0x0000000000A41000-memory.dmp

                                              Filesize

                                              68KB

                                            • memory/1080-32-0x0000000000E40000-0x0000000000E51000-memory.dmp

                                              Filesize

                                              68KB

                                            • memory/1212-27-0x0000000000000000-mapping.dmp

                                            • memory/1320-23-0x0000000000000000-mapping.dmp

                                            • memory/1364-6-0x0000000000000000-mapping.dmp

                                            • memory/1504-2-0x0000000000000000-mapping.dmp

                                            • memory/1532-1-0x0000000000000000-mapping.dmp

                                            • memory/1552-13-0x0000000000000000-mapping.dmp

                                            • memory/1584-10-0x0000000000000000-mapping.dmp

                                            • memory/1600-11-0x0000000000000000-mapping.dmp

                                            • memory/1648-0-0x0000000000000000-mapping.dmp

                                            • memory/1652-12-0x0000000000000000-mapping.dmp

                                            • memory/1704-3-0x0000000000000000-mapping.dmp

                                            • memory/1752-9-0x0000000000000000-mapping.dmp

                                            • memory/1760-25-0x0000000000000000-mapping.dmp

                                            • memory/1776-7-0x0000000000000000-mapping.dmp

                                            • memory/1788-8-0x0000000000000000-mapping.dmp

                                            • memory/1824-4-0x0000000000000000-mapping.dmp

                                            • memory/1836-5-0x0000000000000000-mapping.dmp

                                            • memory/1872-15-0x0000000000000000-mapping.dmp

                                            • memory/1876-16-0x0000000000000000-mapping.dmp

                                            • memory/1920-14-0x0000000000000000-mapping.dmp

                                            • memory/1964-17-0x0000000000000000-mapping.dmp

                                            • memory/1980-18-0x0000000000000000-mapping.dmp

                                            • memory/1984-30-0x0000000000000000-mapping.dmp

                                            • memory/2032-19-0x0000000000000000-mapping.dmp