Overview

overview

10

Static

static

c3a3acd824...aa.exe

windows7_x64

10

c3a3acd824...aa.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    138s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:19

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General

  • Target

    c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa.exe

  • Size

    1011KB

  • MD5

    73528b74e4edb1c32a4d88abe34ae437

  • SHA1

    b97c0fc8a34e88c03704e43829c550d765398a3c

  • SHA256

    c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa

  • SHA512

    523cd56a44e91fc3084b76d68dbce6e77dac190716833cce455d2091894b403def7132475ec748b0d26fed90a4fcfc5d5f65f0eba098bc7d8ac4853ae9e547ec

Score
10/10
ouroborosevasionransomwarespywarestealer

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

    ransomwareouroboros
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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.

    spywarestealer
  • 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\c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa.exe
    "C:\Users\Admin\AppData\Local\Temp\c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa.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:1864
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:1688
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1696
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1588
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:1708
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1648
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:952
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MSSQLSERVER
              4⤵
                PID:948
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1764
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:860
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                4⤵
                  PID:432
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSDTC
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1908
              • C:\Windows\SysWOW64\net.exe
                net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1152
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSDTC
                  4⤵
                    PID:1812
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                2⤵
                  PID:1104
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                  2⤵
                    PID:1040
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                    2⤵
                      PID:1548
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                      2⤵
                        PID:1720
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLSERVERAGENT
                          3⤵
                            PID:1252
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop SQLSERVERAGENT
                              4⤵
                                PID:544
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                            2⤵
                              PID:828
                              • C:\Windows\SysWOW64\net.exe
                                net stop MSSQLSERVER
                                3⤵
                                  PID:1248
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop MSSQLSERVER
                                    4⤵
                                      PID:1912
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop vds
                                  2⤵
                                    PID:1876
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop vds
                                      3⤵
                                        PID:388
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop vds
                                          4⤵
                                            PID:1744
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                        2⤵
                                          PID:1520
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh advfirewall set currentprofile state off
                                            3⤵
                                              PID:1768
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                            2⤵
                                              PID:580
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh firewall set opmode mode=disable
                                                3⤵
                                                  PID:1112

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1768-83-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

                                              Filesize

                                              8KB

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