stealc | 5d6b5b2179de3e33701572414a4f72501578e703098c2812040ce17da2ded66f

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 13:45

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General

Target

file.exe
Size

1.7MB
MD5

f71f1185d45a02254c46cd5ee5cfd877
SHA1

b56c5f2e56259e8954f325ac6433df87f1673421
SHA256

5d6b5b2179de3e33701572414a4f72501578e703098c2812040ce17da2ded66f
SHA512

c8cd73faec833082ca4e2ce134a735a608bb6b1de433b4b6e2cc15f4d711bfb0ade94902dc4755b1d5343862e28c6329b6404add165682ab3cf5cd3bc22a95a5
SSDEEP

24576:kekKZBbmRMWMuFa43aZ6M3Tns0mxGyBXCoX4RdT1BLsL7Py0K2dmFKul:kiBMMuFa4CGxGy9IvfLi7vKpFK

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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3924	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
3924	file.exe
3924	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:3924

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/3924-0-0x00000000001D0000-0x0000000000863000-memory.dmp

Filesize
6.6MB

Download
memory/3924-1-0x0000000076F54000-0x0000000076F56000-memory.dmp

Filesize
8KB

Download
memory/3924-2-0x00000000001D1000-0x00000000001F4000-memory.dmp

Filesize
140KB

Download
memory/3924-3-0x00000000001D0000-0x0000000000863000-memory.dmp

Filesize
6.6MB

Download
memory/3924-4-0x00000000001D0000-0x0000000000863000-memory.dmp

Filesize
6.6MB

Download