Analysis
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max time kernel
90s -
max time network
204s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
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submitted
12-07-2024 17:11
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
Score
9/10
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Themida packer 7 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\flint.dll,#11⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB