Overview

overview

10

Static

static

3b7c7a6b8b...51.exe

windows7_x64

10

3b7c7a6b8b...51.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294115s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    06-03-2022 00:52

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General

  • Target

    3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451.exe

  • Size

    1.3MB

  • MD5

    fd051c28d517d4a4cfaf09fe5c0f6b3e

  • SHA1

    e960aee473dc56902276e1d91392fb04597f58df

  • SHA256

    3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451

  • SHA512

    06c0edd9e6cd88f71b4c5547b961b66b5b22ca78f45489f6f9f0c9a3caba1228f09ff7a58222fe14fc78ddf58f1a6ef4fa5a2cbf63cb9ec8c103073844b66397

Score
10/10
ouroborosevasionransomwarespywarestealer

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

    ransomwareouroboros
  • Drops file in Drivers directory 39 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 IoCs
  • Loads dropped DLL 13 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
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451.exe
    "C:\Users\Admin\AppData\Local\Temp\3b7c7a6b8bcde4a4f5ee586fea46d1bb77da42caf2d5d0d48767615e2ddef451.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop MSDTC
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\net.exe
        net stop MSDTC
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:572
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MSDTC
          4⤵
            PID:684
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
          PID:460
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
          2⤵
            PID:860
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
            2⤵
              PID:1104
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:864
              • C:\Windows\SysWOW64\net.exe
                net stop SQLSERVERAGENT
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1784
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop SQLSERVERAGENT
                  4⤵
                    PID:616
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1140
                • C:\Windows\SysWOW64\net.exe
                  net stop MSSQLSERVER
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:432
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSSQLSERVER
                    4⤵
                      PID:1272
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c net stop vds
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1120
                  • C:\Windows\SysWOW64\net.exe
                    net stop vds
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:824
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                  2⤵
                    PID:1384
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh advfirewall set currentprofile state off
                      3⤵
                        PID:1396
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                      2⤵
                        PID:920
                        • C:\Windows\SysWOW64\netsh.exe
                          netsh firewall set opmode mode=disable
                          3⤵
                            PID:1344
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c net stop SQLWriter
                          2⤵
                            PID:1284
                            • C:\Windows\SysWOW64\net.exe
                              net stop SQLWriter
                              3⤵
                                PID:1560
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop SQLWriter
                                  4⤵
                                    PID:1408
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c net stop SQLBrowser
                                2⤵
                                  PID:1584
                                  • C:\Windows\SysWOW64\net.exe
                                    net stop SQLBrowser
                                    3⤵
                                      PID:772
                                      • C:\Windows\SysWOW64\net1.exe
                                        C:\Windows\system32\net1 stop SQLBrowser
                                        4⤵
                                          PID:884
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                                      2⤵
                                        PID:760
                                        • C:\Windows\SysWOW64\net.exe
                                          net stop MSSQLSERVER
                                          3⤵
                                            PID:896
                                            • C:\Windows\SysWOW64\net1.exe
                                              C:\Windows\system32\net1 stop MSSQLSERVER
                                              4⤵
                                                PID:1908
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
                                            2⤵
                                              PID:1320
                                              • C:\Windows\SysWOW64\net.exe
                                                net stop MSSQL$CONTOSO1
                                                3⤵
                                                  PID:840
                                                  • C:\Windows\SysWOW64\net1.exe
                                                    C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                                                    4⤵
                                                      PID:1460
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 380
                                                  2⤵
                                                  • Program crash
                                                  PID:1520
                                              • C:\Windows\SysWOW64\net1.exe
                                                C:\Windows\system32\net1 stop vds
                                                1⤵
                                                  PID:1096
                                                • C:\Windows\system32\msiexec.exe
                                                  C:\Windows\system32\msiexec.exe /V
                                                  1⤵
                                                  • Loads dropped DLL
                                                  • Enumerates connected drives
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:1644
                                                  • C:\Windows\syswow64\MsiExec.exe
                                                    C:\Windows\syswow64\MsiExec.exe -Embedding D03C0324BA2700D95E9FC117172471A3
                                                    2⤵
                                                    • Loads dropped DLL
                                                    PID:1396
                                                  • C:\Windows\system32\MsiExec.exe
                                                    C:\Windows\system32\MsiExec.exe -Embedding F8B65E918EDCFC468554DCA572293052
                                                    2⤵
                                                      PID:1632

                                                  Network

                                                  MITRE ATT&CK Enterprise v6

                                                  Replay Monitor

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                                                  Downloads

                                                  • memory/1396-54-0x0000000075641000-0x0000000075643000-memory.dmp

                                                    Filesize

                                                    8KB

                                                    Download

                                                  • memory/1644-56-0x000007FEFB981000-0x000007FEFB983000-memory.dmp

                                                    Filesize

                                                    8KB

                                                    Download