stealc | e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451

Analysis

max time kernel
94s
max time network
137s
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 16:37

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General

Target

e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe
Size

2.0MB
MD5

fa6b75ebc4cf564a1055c63db94bcd64
SHA1

75325bd377846c171213b10261d640b33c4a1d7f
SHA256

e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451
SHA512

26084e3abba1f9e37ceb4ab858045b33efea12c81699e7ceab34459d2675cb57a906db6728dad64213bdfc52a1843c733e750ed1eba75f3e73acbb15df170679
SSDEEP

49152:vAlWxxFXjEzNph+Nl1Bh2C3p+Y4Ky2FvmoFpEdG4FoYfXf1g:v46xFX+kfD3ppTFmo4g4Nn

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__	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.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	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3384	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.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	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3384	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe
3384	e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe

C:\Users\Admin\AppData\Local\Temp\e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.exe
"C:\Users\Admin\AppData\Local\Temp\e6ca41bc8e9972f791ddc6bb97e6247d0c7f1d0a18f02ec97d2d63dc1f3e3451.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:3384

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/3384-0-0x0000000000950000-0x0000000001079000-memory.dmp

Filesize
7.2MB

Download
memory/3384-1-0x0000000077324000-0x0000000077326000-memory.dmp

Filesize
8KB

Download
memory/3384-2-0x0000000000951000-0x00000000009B9000-memory.dmp

Filesize
416KB

Download
memory/3384-3-0x0000000000950000-0x0000000001079000-memory.dmp

Filesize
7.2MB

Download
memory/3384-4-0x0000000000950000-0x0000000001079000-memory.dmp

Filesize
7.2MB

Download