stealc | 5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 02:40

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General

Target

5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe
Size

1.7MB
MD5

f797b2f121be8c7fcfd98376685b348d
SHA1

bd1b82caeb550a9dc653031c84b61e9fbd509eae
SHA256

5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30
SHA512

9117e94a1995a2d07e5483e283f30673052f3f9e007a3c98b24244f6fd606e586eaec8473655d83f68cf709e3b917548bc8efe4214c624646660b310cc41501a
SSDEEP

49152:kUhEUmgGxH6XCduY1GGRqYHS1S2a+2Wt:kUhEUvDCIeGPn1SfTW

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__	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.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	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.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	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3016	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.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	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3016	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe
3016	5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe

C:\Users\Admin\AppData\Local\Temp\5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.exe
"C:\Users\Admin\AppData\Local\Temp\5fd41d51e8eccf7046e5d3f2edb5afc4f5584994966a26cbf5aa99ac1a92cb30.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:3016

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/3016-0-0x0000000000EA0000-0x000000000152F000-memory.dmp

Filesize
6.6MB

Download
memory/3016-1-0x00000000775B4000-0x00000000775B6000-memory.dmp

Filesize
8KB

Download
memory/3016-2-0x0000000000EA1000-0x0000000000EB8000-memory.dmp

Filesize
92KB

Download
memory/3016-3-0x0000000000EA0000-0x000000000152F000-memory.dmp

Filesize
6.6MB

Download
memory/3016-4-0x0000000000EA0000-0x000000000152F000-memory.dmp

Filesize
6.6MB

Download
memory/3016-5-0x0000000000EA0000-0x000000000152F000-memory.dmp

Filesize
6.6MB

Download
memory/3016-6-0x0000000000EA0000-0x000000000152F000-memory.dmp

Filesize
6.6MB

Download
memory/3016-7-0x0000000000EA0000-0x000000000152F000-memory.dmp

Filesize
6.6MB

Download