Analysis
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max time kernel
20s -
max time network
22s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-08-2024 13:49
Behavioral task
behavioral1
Sample
notepad (3).exe
Resource
win7-20240704-en
General
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Target
notepad (3).exe
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Size
7.7MB
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MD5
e52f0ace43475675ba896dcbddfbb22e
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SHA1
b970e159b2725009c5264ae47b342b4cba3aba90
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SHA256
7b76e74675faade8a29af7beda7faed381bb4fbbe72304e4c6e0de8b3a903ec6
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SHA512
974b98519d1c6a047453960eeaac49c647040f45e6a872396b20e37d4731f9b97341bca6123b71cf82bc3caa10b751c3bded8d3c3ff483cdcfa6c2de5a869a67
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SSDEEP
196608:XK30CUWcUG4raKu24YY7HVT4hV0AD6QgqKRgX:a30WmKr4YYH+EUWpgX
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
notepad (3).exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ notepad (3).exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
notepad (3).exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion notepad (3).exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion notepad (3).exe -
Loads dropped DLL 1 IoCs
Processes:
notepad (3).exepid process 4124 notepad (3).exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/4124-1-0x0000000000C10000-0x00000000013C2000-memory.dmp agile_net -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\5d01d2a3-8de9-49e6-ba80-a16a6357ca34\AgileDotNetRT64.dll themida behavioral2/memory/4124-9-0x00007FFADFC00000-0x00007FFAE0784000-memory.dmp themida behavioral2/memory/4124-11-0x00007FFADFC00000-0x00007FFAE0784000-memory.dmp themida behavioral2/memory/4124-15-0x00007FFADFC00000-0x00007FFAE0784000-memory.dmp themida -
Processes:
notepad (3).exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA notepad (3).exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
notepad (3).exepid process 4124 notepad (3).exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
Processes
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C:\Users\Admin\AppData\Local\Temp\notepad (3).exe"C:\Users\Admin\AppData\Local\Temp\notepad (3).exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4124
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.2MB
MD505b012457488a95a05d0541e0470d392
SHA174f541d6a8365508c794ef7b4ac7c297457f9ce3
SHA2561f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d
SHA5126d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6