Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28/02/2024, 11:05
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
6ca0c1cf2afc7153337499fbc434df39
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SHA1
4c2f093a92aef65477dae6ad6722197c54e4f971
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SHA256
98572cef96ffed5e1d1c4a472b3570acb08e17cd2c7d2fbc3063203e23cade36
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SHA512
4e82311a0fd3c00fc1c9b87ffb88bcc0ba4a65dddd3794dd29036091c022ee7db66b458b138d5d9765a7ca1824725eafc3a09647112ee66adc23cfc9813a2df6
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SSDEEP
49152:qhzWW3Fl8/dWKd8UkK1JYBKfQotFjorCY1NK:OWW38nFYUhFjo
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
description 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.
description 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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine tmp.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1084 tmp.exe -
Drops file in Windows directory 1 IoCs
description 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
pid Process 1084 tmp.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1084 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:1084