Analysis

  • max time kernel
    99s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    09-09-2021 11:58

General

  • Target

    33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3.exe

  • Size

    994KB

  • MD5

    bfed6debcd8c3dbf8ea21655247ed3f0

  • SHA1

    2b05bc9c9a14e3f9db8e758b2f5fa060857499bf

  • SHA256

    33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3

  • SHA512

    73a033937bc55f24a9089e493b3c8c3c6c058a77905ca1c09b73288ac5932328668d588add546a51779e36da6408c1aeab52af290a6bfae15391ac2d8faf9a28

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 3 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 54 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3.exe
    "C:\Users\Admin\AppData\Local\Temp\33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3.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:684
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:2044
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1888
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:852
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1788
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:1820
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1692
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1308
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:1224
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1312
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1404
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:1460
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:844
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:1516
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:640
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                        PID:1632
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLSERVERAGENT
                          3⤵
                            PID:432
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop SQLSERVERAGENT
                              4⤵
                                PID:1536
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                            2⤵
                              PID:1484
                              • C:\Windows\SysWOW64\net.exe
                                net stop MSSQLSERVER
                                3⤵
                                  PID:680
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop MSSQLSERVER
                                    4⤵
                                      PID:1060
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop vds
                                  2⤵
                                    PID:316
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop vds
                                      3⤵
                                        PID:1624
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop vds
                                          4⤵
                                            PID:896
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                        2⤵
                                          PID:968
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh advfirewall set currentprofile state off
                                            3⤵
                                              PID:1580
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                            2⤵
                                              PID:1768
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh firewall set opmode mode=disable
                                                3⤵
                                                  PID:1288

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1580-89-0x0000000075C71000-0x0000000075C73000-memory.dmp

                                              Filesize

                                              8KB