stealc | 5a85aa8e4887abbb1555ccd0df46daeb766d3f9e56eddbe8fbc219bb57b82238

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 12:06

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General

Target

4c06a5c65195195c959092af9854e261.exe
Size

2.0MB
MD5

4c06a5c65195195c959092af9854e261
SHA1

e03cf4406b4eb1c3f8dffd27f575ee7c982cee61
SHA256

5a85aa8e4887abbb1555ccd0df46daeb766d3f9e56eddbe8fbc219bb57b82238
SHA512

baeb99d6c5d2eb92103302ce8e8d784f910570b65faa7f7804f1e24cc1fdd42bacec56d922bcdf706b399bb0f5103bc981b4c0f629cb55abe2ead4f8b0f1f60a
SSDEEP

49152:CKp2w2Ck2boh1Ma5uv8uoy5QLTiXuhh6Pybyx+u:nOH6QuUby5uiXuP6PyW

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__	4c06a5c65195195c959092af9854e261.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\VideoBiosVersion	4c06a5c65195195c959092af9854e261.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4c06a5c65195195c959092af9854e261.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	4c06a5c65195195c959092af9854e261.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
452	4c06a5c65195195c959092af9854e261.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	4c06a5c65195195c959092af9854e261.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
452	4c06a5c65195195c959092af9854e261.exe
452	4c06a5c65195195c959092af9854e261.exe

C:\Users\Admin\AppData\Local\Temp\4c06a5c65195195c959092af9854e261.exe
"C:\Users\Admin\AppData\Local\Temp\4c06a5c65195195c959092af9854e261.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:452

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

Replay Monitor

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Downloads

memory/452-0-0x0000000000BD0000-0x00000000012D4000-memory.dmp

Filesize
7.0MB

Download
memory/452-1-0x0000000076F04000-0x0000000076F06000-memory.dmp

Filesize
8KB

Download
memory/452-2-0x0000000000BD1000-0x0000000000C39000-memory.dmp

Filesize
416KB

Download
memory/452-3-0x0000000000BD0000-0x00000000012D4000-memory.dmp

Filesize
7.0MB

Download
memory/452-4-0x0000000000BD0000-0x00000000012D4000-memory.dmp

Filesize
7.0MB

Download