Analysis
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max time kernel
139s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12-02-2024 18:00
Behavioral task
behavioral1
Sample
toteslegit.exe
Resource
win7-20231215-en
windows7-x64
6 signatures
150 seconds
General
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Target
toteslegit.exe
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Size
3.9MB
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MD5
0fe17c511fa812e99dbf307cf3763ce6
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SHA1
4e8149a9c14fdf2492fd801d8d4f593d0547f9c2
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SHA256
578628543bc775070cc17be084f85f0a0ac23a260b3af2c46e546e76a5f1527b
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SHA512
9e9e0f509608245dc80ba60a1a4da6058a032994f9d5b076cb44c8942d1eda027bed964abe08cbf8cfd66fc5ff5d506c0d80c956b7989c464dea15dbd1dfbfe9
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SSDEEP
98304:HDRtA0dje/D5x5Krjh3rO0e/iXA/8fjV+YDgdjwvOm/kPbbzJSb:bGD5cde/icMQugduOmMPbY
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
toteslegit.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ toteslegit.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
toteslegit.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion toteslegit.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion toteslegit.exe -
Processes:
resource yara_rule behavioral2/memory/3188-0-0x0000000140000000-0x0000000140A4B000-memory.dmp themida behavioral2/memory/3188-2-0x0000000140000000-0x0000000140A4B000-memory.dmp themida behavioral2/memory/3188-3-0x0000000140000000-0x0000000140A4B000-memory.dmp themida behavioral2/memory/3188-4-0x0000000140000000-0x0000000140A4B000-memory.dmp themida behavioral2/memory/3188-5-0x0000000140000000-0x0000000140A4B000-memory.dmp themida -
Processes:
toteslegit.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA toteslegit.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
toteslegit.exepid process 3188 toteslegit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\toteslegit.exe"C:\Users\Admin\AppData\Local\Temp\toteslegit.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
PID:3188