stealc | 610777f16b387829d5f51c0595bb606e63fc8383ecc85feb5599fc53a9bbac66

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 01:39

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General

Target

eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe
Size

1.7MB
MD5

93cf0c1d0e86682494a39b17018c52da
SHA1

e355d639712fe8544b809ace456fe376ad981700
SHA256

eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713
SHA512

2f0b9c80f9c0f4ef895d6d244cf6bd8a580678b769c286965e57ac9a5ca93f855862bb1614c30da719d8d5f1457b4f3502735e85df84079c023553d1b315544c
SSDEEP

24576:fNLGRU6NMi6ddfsS1Y+dtca4b0RJHASIVzqSx9zP+efdbTQDHAE+5Ea8FGsJH8:VLhqMisUnQ6SIJlzJfEgE+4FjH8

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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__	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.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	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.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	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3748	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.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	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3748	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe
3748	eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe

C:\Users\Admin\AppData\Local\Temp\eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.exe
"C:\Users\Admin\AppData\Local\Temp\eb0dc4bb0c42e1460a69fb51db5c2eafc7bf4a16a9b801ab167adbad57119713.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:3748

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/3748-0-0x0000000000F90000-0x000000000163E000-memory.dmp

Filesize
6.7MB

Download
memory/3748-1-0x0000000077314000-0x0000000077316000-memory.dmp

Filesize
8KB

Download
memory/3748-2-0x0000000000F91000-0x0000000000FA8000-memory.dmp

Filesize
92KB

Download
memory/3748-3-0x0000000000F90000-0x000000000163E000-memory.dmp

Filesize
6.7MB

Download
memory/3748-4-0x0000000000F90000-0x000000000163E000-memory.dmp

Filesize
6.7MB

Download