stealc | f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 04:16

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General

Target

f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe
Size

2.0MB
MD5

2bd1643c51ab40c4b17e6f15b1eaeb0c
SHA1

0ed83b36c8cc314690e7353a2a3631deee098331
SHA256

f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e
SHA512

4e5d5416d72b5d254b32b98feed4009eb321d21f520d607fdce174b3a7bfd9cab01cfa43981c0dc6f989c936c411e274e924244d31223d6ad2dcee5e7d6b5246
SSDEEP

49152:EF1bxVr3+oAYxi4v0C3z8xC6pmEENBQoNRqrj:Ez+OxAHxbEBx

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.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	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.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	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
228	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.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	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe
228	f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe

C:\Users\Admin\AppData\Local\Temp\f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.exe
"C:\Users\Admin\AppData\Local\Temp\f7536ef71a6a1df24263e5bf3b58be00674f303eff4787d70de246e481f8330e.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:228

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/228-0-0x0000000000920000-0x000000000104D000-memory.dmp

Filesize
7.2MB

Download
memory/228-1-0x0000000077964000-0x0000000077966000-memory.dmp

Filesize
8KB

Download
memory/228-2-0x0000000000921000-0x0000000000989000-memory.dmp

Filesize
416KB

Download
memory/228-3-0x0000000000920000-0x000000000104D000-memory.dmp

Filesize
7.2MB

Download
memory/228-5-0x0000000000920000-0x000000000104D000-memory.dmp

Filesize
7.2MB

Download