stealc | 6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 23:19

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General

Target

6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe
Size

1.7MB
MD5

b6e098e22fd89874d350adb5ad1838f5
SHA1

338a10281a73ed3f7cfec70c8661912d0eaaa7c8
SHA256

6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50
SHA512

72bd300ed53b8c207d62302852ead0d8b9c045f36805f04f62d816d626c50725afe72916abcc9b1f3277a4c63eb8e87694f6bcc722b47669c8409038a645e68d
SSDEEP

49152:JeeDjriXN2Qfd480keWYyX6FbJHhfSZ25GqbmBc:JeeDvid2QVmkeWYSQ9HhfSGN

Score

10^/10

stealc stok defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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__	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.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	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2036	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.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	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe
2036	6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe

C:\Users\Admin\AppData\Local\Temp\6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.exe
"C:\Users\Admin\AppData\Local\Temp\6043008c11c8b5b5d2658e8152ba59573fb7ec7d52b04082a78987eafc62fa50.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:2036

Network

MITRE ATT&CK Enterprise v15

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/2036-0-0x00000000006B0000-0x0000000000D47000-memory.dmp

Filesize
6.6MB

Download
memory/2036-1-0x0000000077464000-0x0000000077466000-memory.dmp

Filesize
8KB

Download
memory/2036-2-0x00000000006B1000-0x00000000006C8000-memory.dmp

Filesize
92KB

Download
memory/2036-4-0x00000000006B0000-0x0000000000D47000-memory.dmp

Filesize
6.6MB

Download
memory/2036-5-0x00000000006B0000-0x0000000000D47000-memory.dmp

Filesize
6.6MB

Download