Analysis
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max time kernel
67s -
max time network
68s -
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 14:05
Behavioral task
behavioral1
Sample
notepad (2).exe
Resource
win7-20240705-en
General
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Target
notepad (2).exe
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Size
7.7MB
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MD5
9d7fef66dc4986975e8fafbd9662f3ba
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SHA1
2f3f244cc09c7470ba143dff36252089d4894e49
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SHA256
3b580645f8fc0d21da5ef9c755f4d4b794434305dc0e507e13c67ef6bc03f4b8
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SHA512
ef983275a0ed6c389e1568e8f7b6c3d22bf9214fe1939f979715d392f115d3ab7ed27168035747c8130242c87a12666dc4d301ab490901b3bda127d82af76580
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SSDEEP
196608:QysjwLcUG4raKu24YY7HVT4hV0AD6QgqKRgX:fRmKr4YYH+EUWpgX
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
notepad (2).exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ notepad (2).exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
notepad (2).exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion notepad (2).exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion notepad (2).exe -
Loads dropped DLL 1 IoCs
Processes:
notepad (2).exepid process 1400 notepad (2).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/1400-1-0x00000000008F0000-0x00000000010A2000-memory.dmp agile_net -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\522e4628-4a5d-4560-af26-1f6b67b8d723\AgileDotNetRT64.dll themida behavioral2/memory/1400-9-0x00007FF9B4AC0000-0x00007FF9B5644000-memory.dmp themida behavioral2/memory/1400-12-0x00007FF9B4AC0000-0x00007FF9B5644000-memory.dmp themida behavioral2/memory/1400-18-0x00007FF9B4AC0000-0x00007FF9B5644000-memory.dmp themida -
Processes:
notepad (2).exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA notepad (2).exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
notepad (2).exepid process 1400 notepad (2).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 (2).exe"C:\Users\Admin\AppData\Local\Temp\notepad (2).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:1400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.2MB
MD505b012457488a95a05d0541e0470d392
SHA174f541d6a8365508c794ef7b4ac7c297457f9ce3
SHA2561f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d
SHA5126d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6