Analysis
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max time kernel
141s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 06:06
Behavioral task
behavioral1
Sample
40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe
Resource
win10v2004-20240802-en
General
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Target
40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe
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Size
5.3MB
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MD5
d8db099b61ab2121441e19e8dc5dca07
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SHA1
24ee44d0544438ca8352e7fcdef8d1c124bfc473
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SHA256
40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a
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SHA512
a567370aa77d55a2a1720a1301f54f1e6185ea3192c158629f827bfec3b07750213212ab9f009c26a85331db5a62adeebec9c9f4ae038a286f5fa0ddf0ebf370
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SSDEEP
98304:SHWkgcetqLADdhqG9R6zbLg4LzVl1TWXz7x+mBsCklNy6bAt8fxSZwX5J:S2kgcWD9R6k4LzVl1TQ3BsCkl1b2DZ6
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 4116 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe -
resource yara_rule behavioral2/memory/4116-0-0x0000000000400000-0x0000000000DEB000-memory.dmp upx behavioral2/memory/4116-16-0x0000000000400000-0x0000000000DEB000-memory.dmp upx -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\desktop.ini 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.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 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeSystemtimePrivilege 4116 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4116 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4116 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe 4116 40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe"C:\Users\Admin\AppData\Local\Temp\40c3d2abcebdbba14f85512b2047812303dbe3dae768f6896a356d665ae3790a.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4116
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8.4MB
MD58b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA256982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
SHA5129d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a