Analysis
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max time kernel
15s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
24-07-2024 01:35
Behavioral task
behavioral1
Sample
bin/last_data.json
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
bin/last_data.json
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
flint.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
flint.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
runtimes/win-x64/native/WebView2Loader.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral6
Sample
synapsex.exe
Resource
win7-20240708-en
Behavioral task
behavioral7
Sample
synapsex.exe
Resource
win10v2004-20240709-en
General
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Target
flint.dll
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Size
4.0MB
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MD5
2a0e4a3c4f1f38f9d6b9be820cc781c7
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SHA1
c8973021c55d7d673b1cee051e509fcb9f09e083
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SHA256
a46649a1827ecca60e439c4a26a6f288fb332c2c3f0f4a613530273fbf53a9ff
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SHA512
91cf729f04f575192e1bedaba63cb8222b1a0a201ee72b794b4faf5ce9589455c4096cdac113323e5d85993374a9e04f952a19e8c1bca5f0feee3208cd4b3f7c
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SSDEEP
98304:k5ae36yod9PKIq7DfeL5RWG0SGZxNLtB10sGAK9:Be36yodEI+W5RWaGdpBm19
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__ rundll32.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\VideoBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe -
resource yara_rule behavioral3/memory/2108-1-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-3-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-5-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-6-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-7-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-10-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-8-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida behavioral3/memory/2108-9-0x000007FEF4D40000-0x000007FEF5814000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2108 rundll32.exe