stealc | 541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 01:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe
Size

1.7MB
MD5

8008a506f397dc8e845a8b9bc62bded1
SHA1

df3448212221cdab90c8f4468b4b61ec4e5a408b
SHA256

541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0
SHA512

be4ee8daae90c8560fac5656e16898cfc8f95518559fb2d9d90839f427a5b275a32ab3d79befcaa698791a7d33df76738ed74d98545d560c705f97c415b6f69e
SSDEEP

24576:Oqk6pMv3YuN778IMCbFNdBp0QwzpAwJr8qWxcZDtwULw4VAPTBJNwlRpTquXxP94:OU03Yc8qzYnA5qWMDGkzVA77yRZchtW

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.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	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4580	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.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	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4580	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe
4580	541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe

C:\Users\Admin\AppData\Local\Temp\541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.exe
"C:\Users\Admin\AppData\Local\Temp\541cd6146cb146b9700ea311b06ee7079a3818dc1dbac4f833c2b90ca17ce8d0.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:4580

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/4580-0-0x0000000000530000-0x0000000000BA8000-memory.dmp

Filesize
6.5MB

Download
memory/4580-1-0x0000000077A04000-0x0000000077A06000-memory.dmp

Filesize
8KB

Download
memory/4580-2-0x0000000000531000-0x0000000000554000-memory.dmp

Filesize
140KB

Download
memory/4580-3-0x0000000000530000-0x0000000000BA8000-memory.dmp

Filesize
6.5MB

Download
memory/4580-5-0x0000000000530000-0x0000000000BA8000-memory.dmp

Filesize
6.5MB

Download