stealc | 7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 12:50

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General

Target

7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe
Size

2.8MB
MD5

d25093727ab627d2341cd201fe50aced
SHA1

6b07b24d1f8ef46df171bba3224bd8dee8cdf4eb
SHA256

7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe
SHA512

88370155272ffa5c05254d08b1e20e84454abdab54cb456bcd6db3ad621f2dd315a92c2f861d3b923bdd4ba769952d92f587afa30b2d6d736fa6b319d7ede714
SSDEEP

49152:+L54nO2j2+W+/3/9ycpKfY/X6iP/Rm3bVib3jWLtXFIW:+L54nOM2+WqFM4qiAi3j+1F

Score

10^/10

stealc stok discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.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\VideoBiosVersion	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3992	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.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	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3992	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe
3992	7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe

C:\Users\Admin\AppData\Local\Temp\7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.exe
"C:\Users\Admin\AppData\Local\Temp\7c6db97652d5ad2abf6cb771b616013a2c307988779024c735ffc27f17736afe.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:3992

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/3992-0-0x0000000000210000-0x000000000070D000-memory.dmp

Filesize
5.0MB

Download
memory/3992-1-0x00000000777C4000-0x00000000777C6000-memory.dmp

Filesize
8KB

Download
memory/3992-2-0x0000000000211000-0x0000000000228000-memory.dmp

Filesize
92KB

Download
memory/3992-3-0x0000000000210000-0x000000000070D000-memory.dmp

Filesize
5.0MB

Download
memory/3992-4-0x0000000000210000-0x000000000070D000-memory.dmp

Filesize
5.0MB

Download