Analysis
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max time kernel
21s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
02-08-2024 02:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
fyr1gfss.ke0.exe
Resource
win7-20240729-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fyr1gfss.ke0.exe
Resource
win10v2004-20240730-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
fyr1gfss.ke0.exe
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Size
30KB
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MD5
5df44e60ab91a469725dca43248edb11
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SHA1
21a640ec840be802319fa7b2089b8641b8d50c84
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SHA256
03a67dd32a4ddae526a0596fc7edd97f15b9341a62703d048df6773f35b26b78
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SHA512
71b7e21b5e27abbc19d69c4195d56219b2b4312d42cb6a305832e5e7e8152fdb520810ba375fc33ef19ca732db2aecf4d0d13360608b4d8974a7d0754e3ab951
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SSDEEP
384:SWWp4AvFEcg9MvfWCtw71ZIV8uMAjDulJzfxEDTlSDBUhqqLWff/F15hg7CZEOwy:t9QEc+cDTlSlUhqqGNhY6UHAL
Score
8/10
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run fyr1gfss.ke0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\kvoop_t = "C:\\Windows\\kvoop.exe" fyr1gfss.ke0.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" fyr1gfss.ke0.exe -
Disables Task Manager via registry modification
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\kvoop_t = "C:\\Windows\\kvoop.exe" fyr1gfss.ke0.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fyr1gfss.ke0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2192 fyr1gfss.ke0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2192 fyr1gfss.ke0.exe -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoViewContextMenu = "1" fyr1gfss.ke0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose = "1" fyr1gfss.ke0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fyr1gfss.ke0.exe"C:\Users\Admin\AppData\Local\Temp\fyr1gfss.ke0.exe"1⤵
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2192