Analysis
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max time kernel
56s -
max time network
60s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13-03-2024 23:40
Behavioral task
behavioral1
Sample
iexplore.exe
Resource
win7-20240221-en
windows7-x64
7 signatures
150 seconds
General
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Target
iexplore.exe
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Size
10.7MB
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MD5
8b5d0068d81159a93d0039020058bb36
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SHA1
077e4acf9df950bf3c03867ab6756dbc2850641e
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SHA256
d1edde93481fe9657a75ca47c6f4f28be372afb4374402d4c95eb06ce380a263
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SHA512
18334137f1c2dba149ef479660e80c0bd1299db30867076d4fe1f0596d1d1182f1dc57884905c3fcc362f26a4a68baec3767761bf6d9cffce798941dc3e8521d
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SSDEEP
196608:IPdgdrOIM+R7fZOa0x2CV4zSYPZmXebyzlvLrCreOSZ3OqVtHsrQ:IitOUR7fZOa0NsSYPqlCqOSJOgHsr
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ iexplore.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion iexplore.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion iexplore.exe -
resource yara_rule behavioral2/memory/3388-1-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-2-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-3-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-4-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-5-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-6-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-7-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-8-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-9-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-10-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-11-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida behavioral2/memory/3388-12-0x00007FF7F0B30000-0x00007FF7F21BE000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA iexplore.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3388 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3388 iexplore.exe Token: SeDebugPrivilege 3388 iexplore.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\iexplore.exe"C:\Users\Admin\AppData\Local\Temp\iexplore.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:3388