stealc | 30c0cd1d6da3bd6172472af9f4b36ab4309211e712d533052fd53506f4fc2382

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2024, 05:18

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General

Target

file.exe
Size

2.0MB
MD5

bc813a4fc2da2d8c221c9f5f1d3106ad
SHA1

f6813e46a7166cbb7865448c567316b3e94a29e8
SHA256

30c0cd1d6da3bd6172472af9f4b36ab4309211e712d533052fd53506f4fc2382
SHA512

d573bf202e51881e0fe8357921dda53c641baa2974f0011e68d34fdef2d422b6ed5880d4a81efecafb9710f84e6d603bb627cd4f68bc0cb536bfbe3e38fec05a
SSDEEP

49152:WGRojtiaRlfF3SSaHCPqHbjcMHzaVSsqoej1gWNwCoSn6T90h7:HHQfF3SSwHb/aVSNj1Dzn6q

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
872	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.

discovery

System Language Discovery

T1614.001

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
872	file.exe
872	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\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:872

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/872-0-0x0000000000A50000-0x000000000117B000-memory.dmp

Filesize
7.2MB

Download
memory/872-1-0x0000000077294000-0x0000000077296000-memory.dmp

Filesize
8KB

Download
memory/872-2-0x0000000000A51000-0x0000000000AB9000-memory.dmp

Filesize
416KB

Download
memory/872-3-0x0000000000A50000-0x000000000117B000-memory.dmp

Filesize
7.2MB

Download
memory/872-5-0x0000000000A50000-0x000000000117B000-memory.dmp

Filesize
7.2MB

Download