Analysis
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max time kernel
62s -
max time network
71s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/08/2024, 14:24
Static task
static1
Behavioral task
behavioral1
Sample
Themida64.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Themida64.exe
Resource
win10v2004-20240802-en
General
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Target
Themida64.exe
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Size
26.5MB
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MD5
1a82ca1cefa8f8149e4863d12bffc208
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SHA1
0f3afb7c7a2a43a7d491d8470f93387f28726c57
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SHA256
6241962efc369ae229a335c6a9780c649d9fa9cb822f86cea04cd9ac0f9a6ae8
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SHA512
185a0e528fbe688c37f1e40e5491e8e1231179c8fc4c24ea443c7d77a90ce0956da7d4cf0104daa352ac2ffb871b0e37a9711492e6565f2b322b2389bf4f5748
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SSDEEP
786432:jPonEGicqyyx3O/3aqF5yoR8be+uwEfK9:jwnXicI3O/nke+uwEfK9
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__ Themida64.exe -
Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Themida64.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Themida64.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate Themida64.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Themida64.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 Themida64.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3660 Themida64.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 Themida64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Themida64.exe"C:\Users\Admin\AppData\Local\Temp\Themida64.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:3660