Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7v20210408 -
submitted
20-05-2021 01:02
Static task
static1
Behavioral task
behavioral1
Sample
a3a799eb_by_Libranalysis.exe
Resource
win7v20210408
General
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Target
a3a799eb_by_Libranalysis.exe
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Size
802KB
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MD5
a3a799eb1435896baea3a8e079c8dd02
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SHA1
cb0ce4c57cd8e4561a88ce20e80888d097b00900
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SHA256
55c12cb22033e12af48c4bb80b660e4ace8ed2364e7147979e30355bab7d5469
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SHA512
7cf21f437cb33fb2fe03b496309509266db8863650d175072f57b278e96a82b508651cdbc61aa08334858ffe18e251039a3c3d421d97a3749ab21ae16c89a3d9
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
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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-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\isg3s3o319975.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\isg3s3o319975.exe\"" explorer.exe -
Processes:
a3a799eb_by_Libranalysis.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a3a799eb_by_Libranalysis.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
a3a799eb_by_Libranalysis.exeexplorer.exepid Process 2028 a3a799eb_by_Libranalysis.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a3a799eb_by_Libranalysis.exedescription pid Process procid_target PID 1348 set thread context of 2028 1348 a3a799eb_by_Libranalysis.exe 25 -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
explorer.exea3a799eb_by_Libranalysis.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 a3a799eb_by_Libranalysis.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString a3a799eb_by_Libranalysis.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
explorer.exepid Process 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe 1992 explorer.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
a3a799eb_by_Libranalysis.exeexplorer.exepid Process 2028 a3a799eb_by_Libranalysis.exe 2028 a3a799eb_by_Libranalysis.exe 1992 explorer.exe 1992 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
a3a799eb_by_Libranalysis.exepid Process 2028 a3a799eb_by_Libranalysis.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
a3a799eb_by_Libranalysis.exeexplorer.exedescription pid Process Token: SeDebugPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeRestorePrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeBackupPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeLoadDriverPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeCreatePagefilePrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeShutdownPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeTakeOwnershipPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeChangeNotifyPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeCreateTokenPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeMachineAccountPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeSecurityPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeAssignPrimaryTokenPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: SeCreateGlobalPrivilege 2028 a3a799eb_by_Libranalysis.exe Token: 33 2028 a3a799eb_by_Libranalysis.exe Token: SeDebugPrivilege 1992 explorer.exe Token: SeRestorePrivilege 1992 explorer.exe Token: SeBackupPrivilege 1992 explorer.exe Token: SeLoadDriverPrivilege 1992 explorer.exe Token: SeCreatePagefilePrivilege 1992 explorer.exe Token: SeShutdownPrivilege 1992 explorer.exe Token: SeTakeOwnershipPrivilege 1992 explorer.exe Token: SeChangeNotifyPrivilege 1992 explorer.exe Token: SeCreateTokenPrivilege 1992 explorer.exe Token: SeMachineAccountPrivilege 1992 explorer.exe Token: SeSecurityPrivilege 1992 explorer.exe Token: SeAssignPrimaryTokenPrivilege 1992 explorer.exe Token: SeCreateGlobalPrivilege 1992 explorer.exe Token: 33 1992 explorer.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
a3a799eb_by_Libranalysis.exea3a799eb_by_Libranalysis.exeexplorer.exedescription pid Process procid_target PID 1348 wrote to memory of 2028 1348 a3a799eb_by_Libranalysis.exe 25 PID 1348 wrote to memory of 2028 1348 a3a799eb_by_Libranalysis.exe 25 PID 1348 wrote to memory of 2028 1348 a3a799eb_by_Libranalysis.exe 25 PID 1348 wrote to memory of 2028 1348 a3a799eb_by_Libranalysis.exe 25 PID 1348 wrote to memory of 2028 1348 a3a799eb_by_Libranalysis.exe 25 PID 1348 wrote to memory of 2028 1348 a3a799eb_by_Libranalysis.exe 25 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 2028 wrote to memory of 1992 2028 a3a799eb_by_Libranalysis.exe 27 PID 1992 wrote to memory of 1192 1992 explorer.exe 10 PID 1992 wrote to memory of 1192 1992 explorer.exe 10 PID 1992 wrote to memory of 1192 1992 explorer.exe 10 PID 1992 wrote to memory of 1192 1992 explorer.exe 10 PID 1992 wrote to memory of 1192 1992 explorer.exe 10 PID 1992 wrote to memory of 1192 1992 explorer.exe 10 PID 1992 wrote to memory of 1220 1992 explorer.exe 13 PID 1992 wrote to memory of 1220 1992 explorer.exe 13 PID 1992 wrote to memory of 1220 1992 explorer.exe 13 PID 1992 wrote to memory of 1220 1992 explorer.exe 13 PID 1992 wrote to memory of 1220 1992 explorer.exe 13 PID 1992 wrote to memory of 1220 1992 explorer.exe 13
Processes
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1192
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1220
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C:\Users\Admin\AppData\Local\Temp\a3a799eb_by_Libranalysis.exe"C:\Users\Admin\AppData\Local\Temp\a3a799eb_by_Libranalysis.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Users\Admin\AppData\Local\Temp\a3a799eb_by_Libranalysis.exe"C:\Users\Admin\AppData\Local\Temp\a3a799eb_by_Libranalysis.exe"3⤵
- 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:2028 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies firewall policy service
- 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:1992
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