stealc | 66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53

Analysis

max time kernel
101s
max time network
104s
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, 04:28

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General

Target
66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe
Size 4.9MB
Sample250709-e3ywkavjx2
SHA256 66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53
MD5 48cb967b88ca0b8ecd68072190cb6c61
SHA1 35add0578ae1709fcc877a3578857094188e3b0f
SHA512 175e47fb34680930f522a3ee865c21d90e50739e2400a6c9180cd2c545e8ca93601081e09a1a98f716fd69525a7a3156cea0098ced0d9e7213f566123e32999c
SSDEEP 49152:MyWy9UwL6D+mD6k1EBRtsAPVANmnjA9cOqP3xg:0y9Uw2DnD6yEXtsAPVxmmg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc drum defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.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	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.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-1-5-21-625765727-1271952295-745797415-1000\Software\Wine	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4412	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.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	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4412	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe
4412	66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe

C:\Users\Admin\AppData\Local\Temp\66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.exe
"C:\Users\Admin\AppData\Local\Temp\66183d9e4f8c1c0c0da5eedc75697e348d3189d569161da1dd6249434d881f53.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:4412

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

Replay Monitor

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Downloads

memory/4412-0-0x0000000000770000-0x0000000000C5C000-memory.dmp

Download

memory/4412-1-0x00000000054F0000-0x00000000054F1000-memory.dmp

Download

memory/4412-2-0x0000000000770000-0x0000000000C5C000-memory.dmp

Download