Analysis
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max time kernel
144s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-03-2024 07:26
Static task
static1
Behavioral task
behavioral1
Sample
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe
Resource
win10v2004-20240226-en
General
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Target
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe
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Size
1.8MB
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MD5
08b63a41e4689a9173f7a4c044dac646
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SHA1
9ae3112921b2f6479f96db004a93b2f9a8dd0e58
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SHA256
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b
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SHA512
5e6ae54266eb178b7a067217d716e4042652bcbfade1598f168cc3690a2710e5e884233d50ba929e3dc97e65c392e74ffdb9e9c4beadb8a71542fd7f9c54b90e
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SSDEEP
49152:OVnx4wUgPJ2DAphQOFxfwn8GTVTRkIBmG7Pxs9bJLsVvzeE7T:OtxI8JLh3F9f0TRHls9bgCEH
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 2 IoCs
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 3176 explorgu.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorgu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exeexplorgu.exepid process 3032 ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe 3176 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exedescription ioc process File created C:\Windows\Tasks\explorgu.job ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exeexplorgu.exepid process 3032 ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe 3032 ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe 3176 explorgu.exe 3176 explorgu.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exepid process 3032 ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.exe"C:\Users\Admin\AppData\Local\Temp\ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b.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:3032
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3176
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD508b63a41e4689a9173f7a4c044dac646
SHA19ae3112921b2f6479f96db004a93b2f9a8dd0e58
SHA256ab2821349dc6c184002e8807e8c7291bd1c0542c3e47ba4003d0a093b4a8564b
SHA5125e6ae54266eb178b7a067217d716e4042652bcbfade1598f168cc3690a2710e5e884233d50ba929e3dc97e65c392e74ffdb9e9c4beadb8a71542fd7f9c54b90e