stealc | 8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 08:03

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General

Target

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe
Size

1.8MB
MD5

fa5ff3c5705f9daedecdc67e17448707
SHA1

8c6bc9fa717284632d292c30ec7442787c04387a
SHA256

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c
SHA512

e5e519fae906b49b5ab358a28ca4a1f8e8ecbe30025ff64e0fb06082f4ac9581904eb162140e162a8638962edd0935c81ca9e7da634f6d81acf5291e6504ad52
SSDEEP

49152:J6cMo8LwRCUnx8quXy42AKEPRDrRZmUWC6vE:QcZkJUn0XyxAKy/mpM

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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

Processes:

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.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

Processes:

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.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

Processes:

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

pid	Process
4676	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.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

Processes:

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

pid	Process
4676	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe
4676	8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe

C:\Users\Admin\AppData\Local\Temp\8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.exe
"C:\Users\Admin\AppData\Local\Temp\8d801922c816249958e835a8186617652a5b7ecb8352afe5d9c9e924556f908c.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:4676

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/4676-0-0x0000000000E10000-0x00000000014C4000-memory.dmp

Filesize
6.7MB

Download
memory/4676-1-0x00000000779E4000-0x00000000779E6000-memory.dmp

Filesize
8KB

Download
memory/4676-2-0x0000000000E11000-0x0000000000E28000-memory.dmp

Filesize
92KB

Download
memory/4676-3-0x0000000000E10000-0x00000000014C4000-memory.dmp

Filesize
6.7MB

Download
memory/4676-5-0x0000000000E10000-0x00000000014C4000-memory.dmp

Filesize
6.7MB

Download