stealc | 418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 11:20

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General

Target

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe
Size

1.7MB
MD5

3eb01f0814cb5f180ce23b8f3e131d23
SHA1

34df178eb27f4db25a5a2fc06c0f346aae9dacf9
SHA256

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72
SHA512

7b7c20b23e0b027f4c40658cf9dfea48bfdff003330c8575223aa3fb8227b343ca91c79aa24d0e11054de8ebc50b780a2f826a7cc4ff44d6a3542b19bf25516c
SSDEEP

24576:c52+cO7TgIYuKZmoj0zmtG+ZQRvnL4CZsrhhU/SQ8y9cY2X0YwTuCbINL25O8RdM:vKfYJjYmt44XHaS7yX2Xg1bINLNc6F

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:

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.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:

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.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:

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

pid	Process
3184	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.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:

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

pid	Process
3184	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe
3184	418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe

C:\Users\Admin\AppData\Local\Temp\418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.exe
"C:\Users\Admin\AppData\Local\Temp\418503e4cb7e887e68b3bca950577dfa83617854af3c733a85a3b8316d4aeb72.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:3184

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/3184-0-0x0000000000130000-0x00000000007BE000-memory.dmp

Filesize
6.6MB

Download
memory/3184-1-0x0000000077CD4000-0x0000000077CD6000-memory.dmp

Filesize
8KB

Download
memory/3184-2-0x0000000000131000-0x0000000000148000-memory.dmp

Filesize
92KB

Download
memory/3184-3-0x0000000000130000-0x00000000007BE000-memory.dmp

Filesize
6.6MB

Download
memory/3184-4-0x0000000000130000-0x00000000007BE000-memory.dmp

Filesize
6.6MB

Download