Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25/04/2024, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe
Resource
win7-20240221-en
General
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Target
f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe
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Size
1.8MB
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MD5
7b51614032cf0e89432f5ff123c65044
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SHA1
c9aeeee7d2db471eac0bf71cfa948d491a2bb4b6
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SHA256
f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287
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SHA512
20603dc18c014996fdf5773f473471527c8454c64c67344264ffa1798ed151d4bb09375fc151b2cfa4503607b707db18d9f0ba96775872fc3e94be58963b55f2
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SSDEEP
49152:HTGto1E6DbDOunjIwcCJmQyWxqRtxMx+:Kto1bSYLcBQTqRtM+
Malware Config
Extracted
amadey
4.17
http://193.233.132.167
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install_dir
4d0ab15804
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install_file
chrosha.exe
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strings_key
1a9519d7b465e1f4880fa09a6162d768
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url_paths
/enigma/index.php
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__ f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.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 f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Wine f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1940 f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\chrosha.job f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1940 f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1940 f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe"C:\Users\Admin\AppData\Local\Temp\f9e1bf035e5664900080e1ae1d88d6249049aec0da812c49bb976af43a7bc287.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:1940