stealc | 6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872

Analysis

max time kernel
103s
max time network
105s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
09/07/2025, 04:33

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General

Target
6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe
Size 1.7MB
Sample250709-e6qz5assaw
SHA256 6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872
MD5 41941fbaf66851ee946b637a86aa23fe
SHA1 1a73b405198e11a99e0676421e97e7726b216868
SHA512 4c96f94f5c1d9c3de74de6f0fa95f974bc94ec2887dc10c1480cd2057bc6c92c0166f682609a0ab6381b7b31c593b808a7826af0f11d7ccb1fb4381f3f523d74
SSDEEP 24576:Rju6kIDlNYG4J/GQNE0ZNSV3bijlF/5EfBb6U5p3g/Hh7cCpMiWPhDb7jXKuaK4O:R66tDlLseQ/S3mB+bZ5JBfXJ/nGMB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc mars defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3625340254-1625357543-1797847221-1000\Software\Wine	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3160	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3160	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe
3160	6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe

C:\Users\Admin\AppData\Local\Temp\6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.exe
"C:\Users\Admin\AppData\Local\Temp\6be7942114b5247d6f9d21eb732e3b19e4d58e3c59108587ccb77836ef119872.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:3160

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3160-0-0x0000000000160000-0x00000000007E3000-memory.dmp

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memory/3160-1-0x0000000005610000-0x0000000005611000-memory.dmp

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memory/3160-2-0x0000000000160000-0x00000000007E3000-memory.dmp

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