Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22-04-2024 05:17
Static task
static1
Behavioral task
behavioral1
Sample
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Resource
win10-20240404-en
General
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Target
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
-
Size
1.8MB
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MD5
733fce8af4aa232cb80b7d61fa272764
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SHA1
1bcc5b6309f5ff21b3e7d69a26d65ab318d2e760
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SHA256
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5
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SHA512
8d4384aa54bce3ab173fc9b2f8146e08499c2be3520b41a5a24cdc4fbc15f37ffae6287bc4e32337a5a617942c3d70f46e70d4400718c2097e3ec8ff0db728be
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SSDEEP
49152:4MtlcinxPGTqYeF1mj5OkN8Si74S82w0WR34Hm6VeWN:4MM38NUYw0aVA
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
Processes:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.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:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Wine 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exepid process 2904 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe -
Drops file in Windows directory 1 IoCs
Processes:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exedescription ioc process File created C:\Windows\Tasks\chrosha.job 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.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:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exepid process 2904 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exepid process 2904 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe"C:\Users\Admin\AppData\Local\Temp\72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.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:2904