Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
18-07-2022 18:43
Static task
static1
Behavioral task
behavioral1
Sample
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe
Resource
win10v2004-20220718-en
General
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Target
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe
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Size
688KB
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MD5
009ab396124e8a95257738d28212720a
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SHA1
239fbb1e20337f7dc293efd628a4b7d5b5949396
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SHA256
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd
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SHA512
22152f29b15482c5dd7f2eb0a828f333140fcf3c9c1513ba58f960adae72bc4f717dd703229a8858407bf05bdba43f728b7502fae18fff0522bde44733a0802a
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile explorer.exe -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exeexplorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i7777wu1o73cmy5.exe 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i7777wu1o73cmy5.exe\DisableExceptionChainValidation 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "olgk.exe" explorer.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Font Preloader Service = "C:\\ProgramData\\Windows Font Preloader Service\\i7777wu1o73cmy5.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Font Preloader Service = "\"C:\\ProgramData\\Windows Font Preloader Service\\i7777wu1o73cmy5.exe\"" explorer.exe -
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exeexplorer.exepid process 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
explorer.exepid process 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe 1912 explorer.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exeexplorer.exepid process 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe 1912 explorer.exe 1912 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exepid process 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exeexplorer.exedescription pid process Token: SeDebugPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeRestorePrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeBackupPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeLoadDriverPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeCreatePagefilePrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeShutdownPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeTakeOwnershipPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeChangeNotifyPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeCreateTokenPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeMachineAccountPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeSecurityPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeAssignPrimaryTokenPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeCreateGlobalPrivilege 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: 33 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe Token: SeDebugPrivilege 1912 explorer.exe Token: SeRestorePrivilege 1912 explorer.exe Token: SeBackupPrivilege 1912 explorer.exe Token: SeLoadDriverPrivilege 1912 explorer.exe Token: SeCreatePagefilePrivilege 1912 explorer.exe Token: SeShutdownPrivilege 1912 explorer.exe Token: SeTakeOwnershipPrivilege 1912 explorer.exe Token: SeChangeNotifyPrivilege 1912 explorer.exe Token: SeCreateTokenPrivilege 1912 explorer.exe Token: SeMachineAccountPrivilege 1912 explorer.exe Token: SeSecurityPrivilege 1912 explorer.exe Token: SeAssignPrimaryTokenPrivilege 1912 explorer.exe Token: SeCreateGlobalPrivilege 1912 explorer.exe Token: 33 1912 explorer.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exeexplorer.exedescription pid process target process PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1304 wrote to memory of 1912 1304 50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe explorer.exe PID 1912 wrote to memory of 1332 1912 explorer.exe Dwm.exe PID 1912 wrote to memory of 1332 1912 explorer.exe Dwm.exe PID 1912 wrote to memory of 1332 1912 explorer.exe Dwm.exe PID 1912 wrote to memory of 1332 1912 explorer.exe Dwm.exe PID 1912 wrote to memory of 1332 1912 explorer.exe Dwm.exe PID 1912 wrote to memory of 1332 1912 explorer.exe Dwm.exe PID 1912 wrote to memory of 1396 1912 explorer.exe Explorer.EXE PID 1912 wrote to memory of 1396 1912 explorer.exe Explorer.EXE PID 1912 wrote to memory of 1396 1912 explorer.exe Explorer.EXE PID 1912 wrote to memory of 1396 1912 explorer.exe Explorer.EXE PID 1912 wrote to memory of 1396 1912 explorer.exe Explorer.EXE PID 1912 wrote to memory of 1396 1912 explorer.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1396
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C:\Users\Admin\AppData\Local\Temp\50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe"C:\Users\Admin\AppData\Local\Temp\50fc35e99c24ad4fab37c2bdad31f60a7789b297f261f39d3ba8f1949b71c5cd.exe"2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1332