Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-03-2024 05:27
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
General
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Target
tmp.exe
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Size
1.8MB
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MD5
b8b5138dc6f97136cfebece16f80203d
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SHA1
e020d3ac6d101791801e8ce8c921a5f54f78abf5
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SHA256
7d1e736b876ad9f4effc5736323bbb1db9d53b49abda5a13d238cbe5f56e136c
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SHA512
f26e295c0845b57520ee8392761c532527ca41974f68f189bb37637b45455edceb098ca23d2952e495635719a8da8a39d86d880467bc6ad79071afd870dd9877
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SSDEEP
49152:6Bb/umIpUjoMJSb1MFkc5eCohVvb+22WBtsDSHLjgAgtZ:6B/zI3RW6c+hVJ2OymwjZ
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ tmp.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
tmp.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion tmp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion tmp.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.
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Wine tmp.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
tmp.exepid process 1956 tmp.exe -
Drops file in Windows directory 1 IoCs
Processes:
tmp.exedescription ioc process File created C:\Windows\Tasks\explorgu.job tmp.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
Processes:
tmp.exepid process 1956 tmp.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
tmp.exepid process 1956 tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.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:1956