stealc | baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 03:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe
Size

2.8MB
MD5

a91e703f6e05180d79cb0693d4de870d
SHA1

5681a283819fb7421d20e3ebee9accbf4c0b6429
SHA256

baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2
SHA512

7d10379c555a0e07f15b601bfddf00177178a362d6a3694d57b59c683631634e5825d242392c326c166b2c9f0c0b9d756079e23019a4ac85a67b71e0ad9926ae
SSDEEP

49152:4KwC0nKT8qlSzdfDcKoJCXoPyWjhcz6Zz0Fw:4Kwm8qlSdZoMNW9z0Fw

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__	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.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	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.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	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3528	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.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	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3528	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe
3528	baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe

C:\Users\Admin\AppData\Local\Temp\baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.exe
"C:\Users\Admin\AppData\Local\Temp\baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2.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:3528

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3528-0-0x0000000000690000-0x0000000000B8D000-memory.dmp

Filesize
5.0MB

Download
memory/3528-1-0x0000000077B14000-0x0000000077B16000-memory.dmp

Filesize
8KB

Download
memory/3528-2-0x0000000000691000-0x00000000006A8000-memory.dmp

Filesize
92KB

Download
memory/3528-3-0x0000000000690000-0x0000000000B8D000-memory.dmp

Filesize
5.0MB

Download
memory/3528-4-0x0000000000690000-0x0000000000B8D000-memory.dmp

Filesize
5.0MB

Download