stealc | 456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d

Analysis

max time kernel
98s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 10:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe
Size

1.7MB
MD5

f4c9805e5a3550cba2dd28e5d8b8ecd6
SHA1

d5245611b2b9626fb16014a8c8ec4362acf9fa61
SHA256

456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d
SHA512

447993e7dee3d7bc7d457499409afc8cd6fcf8f3a7de389054b81428a6427d74afb983dd2ba705522c3216fe5913d9ef5f95b400826be3dcc70fc0171de72a7c
SSDEEP

49152:jQSUFSZwcbVBaRmjHsHZbMdVEQIPSTEfjlIVUj63TbzWNdP:jbvaRHHRMdVDIKOCAwTwdP

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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__	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.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\VideoBiosVersion	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.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	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4460	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.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	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4460	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe
4460	456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe

C:\Users\Admin\AppData\Local\Temp\456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.exe
"C:\Users\Admin\AppData\Local\Temp\456122f9bf064f278a031c9767f48e1cd0d383abc8902e614b22dd9b8f4f907d.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:4460

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/4460-0-0x00000000006E0000-0x0000000000D76000-memory.dmp

Filesize
6.6MB

Download
memory/4460-1-0x0000000076EF4000-0x0000000076EF6000-memory.dmp

Filesize
8KB

Download
memory/4460-2-0x00000000006E1000-0x00000000006F8000-memory.dmp

Filesize
92KB

Download
memory/4460-3-0x00000000006E0000-0x0000000000D76000-memory.dmp

Filesize
6.6MB

Download
memory/4460-5-0x00000000006E0000-0x0000000000D76000-memory.dmp

Filesize
6.6MB

Download