Analysis
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max time kernel
151s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 02:58
Static task
static1
Behavioral task
behavioral1
Sample
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe
Resource
win10v2004-20220721-en
General
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Target
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe
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Size
551KB
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MD5
3454232330370e6c035524983677ac69
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SHA1
45c6624631a989e37f91816021c97d80b3060de5
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SHA256
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531
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SHA512
287d84bf8b3476a7d426f180ed601533524d8f0f441237db16fc0421c8d51a6e0d2cf63708328eac82e10797a78a376868ce8582239d1d740671bc1be67055be
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process 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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
explorer.exe5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exedescription ioc process 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 = "rcplymyims.exe" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\a7ioy137w9e9w.exe 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\a7ioy137w9e9w.exe\DisableExceptionChainValidation 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.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-1-5-21-3762437355-3468409815-1164039494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Font Preloader Service = "C:\\ProgramData\\Windows Font Preloader Service\\a7ioy137w9e9w.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Font Preloader Service = "\"C:\\ProgramData\\Windows Font Preloader Service\\a7ioy137w9e9w.exe\"" explorer.exe -
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exeexplorer.exepid process 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.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-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\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-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
explorer.exepid process 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe 984 explorer.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exeexplorer.exepid process 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe 984 explorer.exe 984 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exepid process 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exeexplorer.exedescription pid process Token: SeDebugPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeRestorePrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeBackupPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeLoadDriverPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeCreatePagefilePrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeShutdownPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeTakeOwnershipPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeChangeNotifyPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeCreateTokenPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeMachineAccountPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeSecurityPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeAssignPrimaryTokenPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeCreateGlobalPrivilege 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: 33 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe Token: SeDebugPrivilege 984 explorer.exe Token: SeRestorePrivilege 984 explorer.exe Token: SeBackupPrivilege 984 explorer.exe Token: SeLoadDriverPrivilege 984 explorer.exe Token: SeCreatePagefilePrivilege 984 explorer.exe Token: SeShutdownPrivilege 984 explorer.exe Token: SeTakeOwnershipPrivilege 984 explorer.exe Token: SeChangeNotifyPrivilege 984 explorer.exe Token: SeCreateTokenPrivilege 984 explorer.exe Token: SeMachineAccountPrivilege 984 explorer.exe Token: SeSecurityPrivilege 984 explorer.exe Token: SeAssignPrimaryTokenPrivilege 984 explorer.exe Token: SeCreateGlobalPrivilege 984 explorer.exe Token: 33 984 explorer.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exeexplorer.exedescription pid process target process PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 860 wrote to memory of 984 860 5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe explorer.exe PID 984 wrote to memory of 1368 984 explorer.exe Dwm.exe PID 984 wrote to memory of 1368 984 explorer.exe Dwm.exe PID 984 wrote to memory of 1368 984 explorer.exe Dwm.exe PID 984 wrote to memory of 1368 984 explorer.exe Dwm.exe PID 984 wrote to memory of 1368 984 explorer.exe Dwm.exe PID 984 wrote to memory of 1368 984 explorer.exe Dwm.exe PID 984 wrote to memory of 1412 984 explorer.exe Explorer.EXE PID 984 wrote to memory of 1412 984 explorer.exe Explorer.EXE PID 984 wrote to memory of 1412 984 explorer.exe Explorer.EXE PID 984 wrote to memory of 1412 984 explorer.exe Explorer.EXE PID 984 wrote to memory of 1412 984 explorer.exe Explorer.EXE PID 984 wrote to memory of 1412 984 explorer.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1412
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C:\Users\Admin\AppData\Local\Temp\5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.exe"C:\Users\Admin\AppData\Local\Temp\5a99bc6aa70681c21c6eb298a479f3d72ff16b033129d750cf8249ee24ed9531.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:860 -
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:984
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1368