Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
19-01-2024 16:34
General
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Target
PuzzleExpress.exe
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Size
7.8MB
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MD5
5c652cd985a3c449b06ff369a7aa2ee5
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SHA1
51d732162926dacb7d602573a475ac3e02995f2f
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SHA256
9ea605804702eac64d3ca2a4076e8fc5273fbd5fe4cb98af9dc15c7da65480ba
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SHA512
abf8a6888acb065b5a0e6f737aff4a49a810ddd656fd37edce1d070197e84af0fddb68add5eb5cc5688b2c108af6f48e84cfd6300d9facbb182b029f6c8eba02
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SSDEEP
98304:kvgk8Bm9TYWWFBrkPa9A/e8MH5YFUCp2ibMIxcVq7nONnmCF7E+MaodY3pS:kgwAFBr4a9SMSFUypcVa2nndoq
Score
7/10
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in Windows directory 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PuzzleExpress.exe"C:\Users\Admin\AppData\Local\Temp\PuzzleExpress.exe"1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x524 0x5201⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11.6MB