stealc | 6e40b77d4476bdbef7bfb3cafb9b6c832815335879f4de74c32e0aa0e4834778

Analysis

max time kernel
140s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 23:53

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General

Target

file.exe
Size

1.8MB
MD5

6f54e054f94842a8535c3630d0025bc1
SHA1

6106131660e71d270b34889a649108f4e8383f7b
SHA256

6e40b77d4476bdbef7bfb3cafb9b6c832815335879f4de74c32e0aa0e4834778
SHA512

f904ee175dfa8d3f51c53801440c47f60ac77e34c15829753a3f0c63df126bee6f59e278c9f52e799fa0086f65a00f7a2425cb5ec570faeae6bc5f58c432abc5
SSDEEP

24576:RdeHYTr1vj9MGMtj4qzU9iLX6DzZx53YBp/GNGAw2upYqA7thUQkyCuAw73NN:RdeHwr0tjf+26DzZx5oGNGXvppA5Ij8

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4780	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4780	file.exe
4780	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:4780

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

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Downloads

memory/4780-0-0x00000000005E0000-0x0000000000C77000-memory.dmp

Filesize
6.6MB

Download
memory/4780-1-0x0000000077B34000-0x0000000077B36000-memory.dmp

Filesize
8KB

Download
memory/4780-2-0x00000000005E1000-0x0000000000604000-memory.dmp

Filesize
140KB

Download
memory/4780-3-0x00000000005E0000-0x0000000000C77000-memory.dmp

Filesize
6.6MB

Download
memory/4780-4-0x00000000005E0000-0x0000000000C77000-memory.dmp

Filesize
6.6MB

Download