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Analysis
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max time kernel
144s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 12:53
Behavioral task
behavioral1
Sample
mqrKShBvko.exe
Resource
win7-20231129-en
7 signatures
150 seconds
General
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Target
mqrKShBvko.exe
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Size
11.2MB
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MD5
cdc7fd69069b2ad98d2b33a633eaf98b
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SHA1
b69fc19b195cd2d11416cddb675c79921817af6d
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SHA256
2971daa775ebab4f40852e097af9421be3dc46d271d2ce06f0daba6893dfe0f3
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SHA512
03a241e6b5d157f82e92bdd9611a7ba62d5a8c03a12831d9c684b76cab58b3dec17b6b542de09b73c63594f4f770d25acec7d06a586e284b50af411c7def81b6
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SSDEEP
196608:7p4QZqMFGkcNYuwPZ/bpo6kxYKURFqIhmdL1qo:7TtGt0zcmKURFq2m
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__ mqrKShBvko.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\SystemBiosVersion mqrKShBvko.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion mqrKShBvko.exe -
resource yara_rule behavioral2/memory/2064-1-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-2-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-3-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-4-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-5-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-6-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-7-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-8-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-9-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-10-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida behavioral2/memory/2064-11-0x00007FF7DB780000-0x00007FF7DCE89000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mqrKShBvko.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2064 mqrKShBvko.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2064 mqrKShBvko.exe Token: SeDebugPrivilege 2064 mqrKShBvko.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\mqrKShBvko.exe"C:\Users\Admin\AppData\Local\Temp\mqrKShBvko.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:2064