Overview

overview

10

task1

 

10

task2

 

10

Resubmissions

06-02-2020 11:15

200206-yr9smta93e 8

06-02-2020 11:02

200206-3dy8j7a4kj 10

Analysis

  • max time kernel
    65s
  • max time network
    125s
  • resource
    win7v191014
  • submitted
    06-02-2020 11:02

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General

  • Target

    d5e37ee4ac4a5d9b798a2d1e80177e67dcf1ea31f21674ed8a1e20851d52f382.exe

  • Size

    376KB

  • MD5

    a521f2c76e2212feb810e6bc1d35995a

  • SHA1

    e0bc61d4e38c30f86d7236b431db50e411e60c06

  • SHA256

    d5e37ee4ac4a5d9b798a2d1e80177e67dcf1ea31f21674ed8a1e20851d52f382

  • SHA512

    868ebdcb41453316f6dc6fa1344479df7b0f5807bebe4d17721d77ebacb8a7dc31f0e11f2cb9fcacd869fb2326b561ece3a5ad0999ba824e14255040f4ae8280

Score
10/10
ouroborosxmrigevasionminerransomware

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

    ransomwareouroboros
  • xmrig

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

    minerxmrig
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5e37ee4ac4a5d9b798a2d1e80177e67dcf1ea31f21674ed8a1e20851d52f382.exe
    "C:\Users\Admin\AppData\Local\Temp\d5e37ee4ac4a5d9b798a2d1e80177e67dcf1ea31f21674ed8a1e20851d52f382.exe"
    1⤵
    • 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:1028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1580
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:1820
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1440
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:1132
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1128
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:836
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:304
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2016
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2008
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:2044
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1984
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:660
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:752
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:1256
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:1056
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:1956
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                        PID:624
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLSERVERAGENT
                          3⤵
                            PID:1404
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop SQLSERVERAGENT
                              4⤵
                                PID:1572
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                            2⤵
                              PID:896
                              • C:\Windows\SysWOW64\net.exe
                                net stop MSSQLSERVER
                                3⤵
                                  PID:1448
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop MSSQLSERVER
                                    4⤵
                                      PID:856
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop vds
                                  2⤵
                                    PID:1124
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop vds
                                      3⤵
                                        PID:1128
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop vds
                                          4⤵
                                            PID:1120
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                        2⤵
                                          PID:2044
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh advfirewall set currentprofile state off
                                            3⤵
                                              PID:2004
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                            2⤵
                                              PID:1412
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh firewall set opmode mode=disable
                                                3⤵
                                                  PID:344

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v6

                                            Initial Access

                                            Execution

                                            Persistence

                                            Modify Existing Service

                                            1
                                            T1031

                                            Privilege Escalation

                                            Defense Evasion

                                            Credential Access

                                            Discovery

                                            Lateral Movement

                                            Collection

                                            Exfiltration

                                            Command and Control

                                            Impact

                                            Replay Monitor

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                                            Downloads

                                            • memory/1028-0-0x0000000000C50000-0x0000000000C61000-memory.dmp
                                              Filesize

                                              68KB

                                              Download
                                            • memory/1028-1-0x0000000001060000-0x0000000001071000-memory.dmp
                                              Filesize

                                              68KB

                                              Download
                                            • memory/1028-2-0x0000000000C50000-0x0000000000C61000-memory.dmp
                                              Filesize

                                              68KB

                                              Download