stealc | 8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 01:24

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General

Target

8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe
Size

1.7MB
MD5

f4e2be12537b2c2f21c1dd0dfde2802f
SHA1

9dae469467f6671eab28703f1d41d4d4b42141e5
SHA256

8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3
SHA512

f725809d847d194a7728fba33e743bb04e7ca81b47f97c3dea89c84d702aa3b2bf2e225fb964e2cc11b6d7a2384d5ba6ade5fbc6f981b5d9a439219e9e9564ba
SSDEEP

49152:xlA0RYGliHK8veJHSDyqI8Mhp9zFiaGJu76A2afDz3:xl1RXlbSDyqI84p9zUi/v

Score

10^/10

stealc stok discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.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	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2288	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.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	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2288	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe
2288	8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe

C:\Users\Admin\AppData\Local\Temp\8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.exe
"C:\Users\Admin\AppData\Local\Temp\8e0e04a7852a19f9eb21f1378bc6274513b2e6bfe85e365c6d87bab526458da3.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:2288

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/2288-0-0x0000000000500000-0x0000000000BA4000-memory.dmp

Filesize
6.6MB

Download
memory/2288-1-0x00000000771A4000-0x00000000771A6000-memory.dmp

Filesize
8KB

Download
memory/2288-2-0x0000000000501000-0x0000000000518000-memory.dmp

Filesize
92KB

Download
memory/2288-3-0x0000000000500000-0x0000000000BA4000-memory.dmp

Filesize
6.6MB

Download
memory/2288-5-0x0000000000500000-0x0000000000BA4000-memory.dmp

Filesize
6.6MB

Download