Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 04:19
Static task
static1
Behavioral task
behavioral1
Sample
AON74_file.exe
Resource
win7-20241010-en
General
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Target
AON74_file.exe
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Size
1.7MB
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MD5
fcab8c77edd9c235497e92d29b6c028d
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SHA1
5bea36fb1edcb3801f5f7d5dacda5d0ffd5ac020
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SHA256
ece1bbf67dbee347fca668310d9fcf40f8e736d56bc81fb97e5f12f0d08ab3cb
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SHA512
a322e25357dbc738e8085deee5d1187ca1a411b5781cb878455e7615b2a7e6f77d70c36a768308c382afe614e5c8618c106155a5a6635c265243714215c83601
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SSDEEP
49152:pOC+TpfvWttDsNO9XY8Cg1EaaNMSs5Hp:StvWtVfuMX5Hp
Malware Config
Extracted
stealc
mars
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Signatures
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Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
AON74_file.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ AON74_file.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
AON74_file.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion AON74_file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion AON74_file.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:
AON74_file.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine AON74_file.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
AON74_file.exepid Process 1832 AON74_file.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
AON74_file.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AON74_file.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
AON74_file.exepid Process 1832 AON74_file.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AON74_file.exe"C:\Users\Admin\AppData\Local\Temp\AON74_file.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1832