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Analysis
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max time kernel
591s -
max time network
488s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29/05/2024, 09:16
Behavioral task
behavioral1
Sample
Windows Loader/Windows Loader.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Windows Loader/Windows Loader.exe
Resource
win10v2004-20240508-en
General
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Target
Windows Loader/Windows Loader.exe
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Size
3.8MB
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MD5
3976bd5fcbb7cd13f0c12bb69afc2adc
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SHA1
3b6bdca414a53df7c8c5096b953c4df87a1091c7
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SHA256
bf5070ef8cf03a11d25460b3e09a479183cc0fa03d0ea32e4499998f509b1a40
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SHA512
0e34171ea0118f4487bc78954b9a388eac9ee203323e86746616c746a1543b8c4190397fc578d8fc5dd1e151862172fd1c444a42d4b59c18551959c2a19cf341
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SSDEEP
49152:wEYCFEfn+4NWcNKg/ngk4mY0bI1Wymfgvn81yJffTpuWV355FXw/+cuWV355FXwm:wEYz38cgg/ngk4mYfA7fgvn812nv
Malware Config
Signatures
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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\SystemBiosVersion Windows Loader.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate Windows Loader.exe -
resource yara_rule behavioral2/memory/944-0-0x0000000000400000-0x0000000000623000-memory.dmp upx behavioral2/memory/944-63-0x0000000000400000-0x0000000000623000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct Windows Loader.exe Key created \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS Windows Loader.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 944 Windows Loader.exe 944 Windows Loader.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 944 Windows Loader.exe Token: SeIncBasePriorityPrivilege 944 Windows Loader.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 944 Windows Loader.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Windows Loader\Windows Loader.exe"C:\Users\Admin\AppData\Local\Temp\Windows Loader\Windows Loader.exe"1⤵
- Checks BIOS information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:944