stealc | db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 03:21

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General

Target

db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe
Size

2.1MB
MD5

bb4d5f01b5d4c11bc6652b32bd9e29f1
SHA1

de46bf6f9710fe3857d5f2eaf45700f7c0f34018
SHA256

db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be
SHA512

1aa562a41776b33d11d7e9ec8d44c4b749319e6fd80d2a152967465110a8a63931b97eb08efad48a65bc8a90c34adc915720723962d67edc01d18ad6e417bb65
SSDEEP

49152:4BKtmBSY8LSCAQaWRHa/DfP0q69adn2v:SKwS/LSC/zq0q6On

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__	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.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	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3992	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.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	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3992	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe
3992	db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe

C:\Users\Admin\AppData\Local\Temp\db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.exe
"C:\Users\Admin\AppData\Local\Temp\db63280686c703c78d5f728fca8a75f912f08f2ac2c55c30a2bc2ceb7a8f89be.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:3992

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/3992-0-0x00000000000B0000-0x00000000007F3000-memory.dmp

Filesize
7.3MB

Download
memory/3992-1-0x0000000077C54000-0x0000000077C56000-memory.dmp

Filesize
8KB

Download
memory/3992-2-0x00000000000B1000-0x0000000000119000-memory.dmp

Filesize
416KB

Download
memory/3992-3-0x00000000000B0000-0x00000000007F3000-memory.dmp

Filesize
7.3MB

Download
memory/3992-5-0x00000000000B0000-0x00000000007F3000-memory.dmp

Filesize
7.3MB

Download