Analysis
- max time kernel
147s - max time network
143s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
03/10/2022, 00:58
Static task
static1
Behavioral task
behavioral1
Sample
92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe
Resource
win7-20220812-en
windows7-x64
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
1 signatures
150 seconds
General
- Target 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe
- Size 494KB
- Sample221003-bbgw7abcdq
- SHA256 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9
- MD5 63f11ab197651ca23e1dc9348c9fa650
- SHA1 76097da39da4dc47999ae0ab9838e993788d7b69
- SHA512 24901e69d77cb4069dd48990a2ae7029c88e571ff0db25a734ed413bbde2c56db668afa6c545a3a390aafcf01b69eef9571209badce51e3b27241a12a70c570b
- SSDEEP 12288:S7zgvLMLKiOiBiOBA6TBwkgqo8njbf5HZ/xB:wzgvLML2cTa6zgH8v1B
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Modifies firewall policy service 2 TTPs 4 IoCs
description 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
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\33ma1u9a1q.exe 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\33ma1u9a1q.exe\DisableExceptionChainValidation 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.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 = "aacnljwngf.exe" explorer.exe - Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\CreativeAudio = "C:\\ProgramData\\CreativeAudio\\33ma1u9a1q.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\CreativeAudio = "\"C:\\ProgramData\\CreativeAudio\\33ma1u9a1q.exe\"" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\ProgramData\CreativeAudio\desktop.ini 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe File opened for modification C:\ProgramData\CreativeAudio\desktop.ini 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
pid Process 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.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
description 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
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe - Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe 1472 explorer.exe - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 1472 explorer.exe 1472 explorer.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeDebugPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeRestorePrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeBackupPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeLoadDriverPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeCreatePagefilePrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeShutdownPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeTakeOwnershipPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeChangeNotifyPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeCreateTokenPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeMachineAccountPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeSecurityPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeAssignPrimaryTokenPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeCreateGlobalPrivilege 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: 33 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe Token: SeDebugPrivilege 1472 explorer.exe Token: SeRestorePrivilege 1472 explorer.exe Token: SeBackupPrivilege 1472 explorer.exe Token: SeLoadDriverPrivilege 1472 explorer.exe Token: SeCreatePagefilePrivilege 1472 explorer.exe Token: SeShutdownPrivilege 1472 explorer.exe Token: SeTakeOwnershipPrivilege 1472 explorer.exe Token: SeChangeNotifyPrivilege 1472 explorer.exe Token: SeCreateTokenPrivilege 1472 explorer.exe Token: SeMachineAccountPrivilege 1472 explorer.exe Token: SeSecurityPrivilege 1472 explorer.exe Token: SeAssignPrimaryTokenPrivilege 1472 explorer.exe Token: SeCreateGlobalPrivilege 1472 explorer.exe Token: 33 1472 explorer.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 900 wrote to memory of 1472 900 92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe 27 PID 1472 wrote to memory of 1168 1472 explorer.exe 20 PID 1472 wrote to memory of 1168 1472 explorer.exe 20 PID 1472 wrote to memory of 1168 1472 explorer.exe 20 PID 1472 wrote to memory of 1168 1472 explorer.exe 20 PID 1472 wrote to memory of 1168 1472 explorer.exe 20 PID 1472 wrote to memory of 1168 1472 explorer.exe 20 PID 1472 wrote to memory of 1192 1472 explorer.exe 19 PID 1472 wrote to memory of 1192 1472 explorer.exe 19 PID 1472 wrote to memory of 1192 1472 explorer.exe 19 PID 1472 wrote to memory of 1192 1472 explorer.exe 19 PID 1472 wrote to memory of 1192 1472 explorer.exe 19 PID 1472 wrote to memory of 1192 1472 explorer.exe 19
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1192
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C:\Users\Admin\AppData\Local\Temp\92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe"C:\Users\Admin\AppData\Local\Temp\92fa967b880035072db26c33f6d5f724c813c5fbc6436778577d43b69144c8f9.exe"2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:900 -
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:1472
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1168