stealc | 8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:26

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General

Target

8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe
Size

1.8MB
MD5

6be29c7d09b8a432f22ad1af2e94ab69
SHA1

d677e36581d3772e6a4cef3978e2566f7369b1d6
SHA256

8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1
SHA512

c16142b3581a80d52b3ce0697187244f94cb591310fd02565e79c15b17238b1c65c95e4be57832e7ce889fa8d78580d07fef8d42f7debe1a67b8bb046249192b
SSDEEP

49152:izoO3CyCzK1XYW3WRipIWgINPNtNyBELOF:TOSzK1IWm+I98N6JF

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__	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.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	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Wine	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
216	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.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	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
216	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe
216	8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe

C:\Users\Admin\AppData\Local\Temp\8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.exe
"C:\Users\Admin\AppData\Local\Temp\8feb29e2e21519c5fe6d92999271bf4419c896d19b4a514f6cac5dfbbd6005d1.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:216

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/216-0-0x00000000008F0000-0x0000000000FA5000-memory.dmp

Filesize
6.7MB

Download
memory/216-1-0x00000000772E4000-0x00000000772E6000-memory.dmp

Filesize
8KB

Download
memory/216-2-0x00000000008F1000-0x0000000000914000-memory.dmp

Filesize
140KB

Download
memory/216-3-0x00000000008F0000-0x0000000000FA5000-memory.dmp

Filesize
6.7MB

Download
memory/216-4-0x00000000008F0000-0x0000000000FA5000-memory.dmp

Filesize
6.7MB

Download