stealc | 8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f

Analysis

max time kernel
93s
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
09-11-2024 03:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe
Size

2.0MB
MD5

7b48de772acb4f632429a89bcf8cb58b
SHA1

739be1230fe5ce22ae867e7a4b74de7a4c9af487
SHA256

8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f
SHA512

1cd425cd9492bf74eeec7ee1b9a58a48f626cb91048c603595083b9e4597ea72b69ad57e829c3930488535d162a08c8c68f845248dcc6ca2f4f4554c0cbe2e0d
SSDEEP

49152:48zJ008G4nL9Z2GiVrvaQsZBdDLgAPOrCPh:4ixGiVSBdDbPOrCPh

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__	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.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	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4508	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.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	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4508	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe
4508	8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe

C:\Users\Admin\AppData\Local\Temp\8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.exe
"C:\Users\Admin\AppData\Local\Temp\8efd270db517e7b0680011cf1ac803a2675507d8701ed1b86c8ddab7b2823a6f.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:4508

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

Loading Replay Monitor...

Downloads

memory/4508-0-0x0000000000AF0000-0x0000000001210000-memory.dmp

Filesize
7.1MB

Download
memory/4508-1-0x0000000077614000-0x0000000077616000-memory.dmp

Filesize
8KB

Download
memory/4508-2-0x0000000000AF1000-0x0000000000B59000-memory.dmp

Filesize
416KB

Download
memory/4508-3-0x0000000000AF0000-0x0000000001210000-memory.dmp

Filesize
7.1MB

Download
memory/4508-5-0x0000000000AF0000-0x0000000001210000-memory.dmp

Filesize
7.1MB

Download