Analysis
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max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-04-2024 10:59
Static task
static1
Behavioral task
behavioral1
Sample
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
Resource
win10v2004-20240419-en
General
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Target
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
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Size
1.8MB
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MD5
d229b9f59fb22483d27553712c7c2042
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SHA1
ad09965298392356c14528bce165c9b51a771018
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SHA256
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679
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SHA512
bf50845a9923974469c569aeaf26cfb0dd606d7c3bdac357b181c056b2988ede2e6d9657f5ac83c18b5521dd908486b39ca5259e5b2e2202e1d0927fcb306582
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SSDEEP
49152:jlSYts+0HnyqxME6j/ukP+ZRMIR7ypD4am9fDBGPggdqVwu:jlSY+H3W7jmkPyRMz4awIn6w
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:
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.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:
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Wine f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exepid process 2752 f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe -
Drops file in Windows directory 1 IoCs
Processes:
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exedescription ioc process File created C:\Windows\Tasks\chrosha.job f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exepid process 2752 f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe 2752 f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe"C:\Users\Admin\AppData\Local\Temp\f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2752-0-0x0000000000A90000-0x0000000000F43000-memory.dmpFilesize
4.7MB
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memory/2752-1-0x00000000770D6000-0x00000000770D8000-memory.dmpFilesize
8KB
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memory/2752-9-0x0000000004B40000-0x0000000004B41000-memory.dmpFilesize
4KB
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memory/2752-2-0x0000000000A90000-0x0000000000F43000-memory.dmpFilesize
4.7MB
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memory/2752-3-0x0000000004B10000-0x0000000004B11000-memory.dmpFilesize
4KB
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memory/2752-4-0x0000000004B20000-0x0000000004B21000-memory.dmpFilesize
4KB
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memory/2752-5-0x0000000004B00000-0x0000000004B01000-memory.dmpFilesize
4KB
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memory/2752-6-0x0000000004B50000-0x0000000004B51000-memory.dmpFilesize
4KB
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memory/2752-7-0x0000000004AE0000-0x0000000004AE1000-memory.dmpFilesize
4KB
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memory/2752-8-0x0000000004AF0000-0x0000000004AF1000-memory.dmpFilesize
4KB
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memory/2752-11-0x0000000004B60000-0x0000000004B61000-memory.dmpFilesize
4KB
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memory/2752-10-0x0000000004B70000-0x0000000004B71000-memory.dmpFilesize
4KB
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memory/2752-17-0x0000000000A90000-0x0000000000F43000-memory.dmpFilesize
4.7MB