stealc | f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 08:33

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General

Target

f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe
Size

4.9MB
MD5

48575481fb3b42ee40e6e2076c17428b
SHA1

d5fca3c02ab4c0ae6d6a2701008fdeb4f5bb78e0
SHA256

f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643
SHA512

131c00189e25ad2bb8b096df865352e3a94d71ff84e5fffdcdaa1a7413e9bdb5f6b9f30567a9a200dc942a93ac06f72c8480189f86ae2b5b2b57e24287b355e6
SSDEEP

49152:LC2t0h43r3xQ0wG/S7YfLj7YSFwwcvwsj:LC80K3r3xlwoSkfX5+F4

Score

10^/10

stealc stok defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.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	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2096	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.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	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2096	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe
2096	f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe

C:\Users\Admin\AppData\Local\Temp\f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.exe
"C:\Users\Admin\AppData\Local\Temp\f6ba046ab0fe30b63d4aad134e666f63130d4adf2782a48bdfb904e3a6eef643.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:2096

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/2096-0-0x0000000000160000-0x000000000064F000-memory.dmp

Filesize
4.9MB

Download
memory/2096-1-0x0000000077014000-0x0000000077016000-memory.dmp

Filesize
8KB

Download
memory/2096-4-0x0000000000160000-0x000000000064F000-memory.dmp

Filesize
4.9MB

Download
memory/2096-5-0x0000000000161000-0x00000000003AA000-memory.dmp

Filesize
2.3MB

Download
memory/2096-3-0x0000000000161000-0x00000000003AA000-memory.dmp

Filesize
2.3MB

Download