stealc | 9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843

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
12-12-2024 12:07

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General

Target

9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe
Size

1.7MB
MD5

392eb20e892fc8093ff77a2baaa9df93
SHA1

f60cd84bc6cc5ea84752dc0b813eaa19a15f64e8
SHA256

9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843
SHA512

efaa4f5cc1f040532638ff7d2049f1e8d352e369a3e7c14cc14f892a6ac559a1a82ecc44f1e4b526c7129b5c1b78a0702d718558b969dbffb6f6bb5c4a1d05bd
SSDEEP

49152:bZ6EwIkbH7HcGrn8tO47nPnr5+lTgwe4yWO4:F6TtbH7H5gOkPnr5SMweJ4

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__	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.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	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4724	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.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	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4724	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe
4724	9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe

C:\Users\Admin\AppData\Local\Temp\9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.exe
"C:\Users\Admin\AppData\Local\Temp\9db3b2934bb5cc5d560c145cb38de855d9933c689575692546012b72d64b5843.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:4724

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/4724-0-0x0000000000E30000-0x00000000014C8000-memory.dmp

Filesize
6.6MB

Download
memory/4724-1-0x00000000777B4000-0x00000000777B6000-memory.dmp

Filesize
8KB

Download
memory/4724-2-0x0000000000E31000-0x0000000000E48000-memory.dmp

Filesize
92KB

Download
memory/4724-3-0x0000000000E30000-0x00000000014C8000-memory.dmp

Filesize
6.6MB

Download
memory/4724-4-0x0000000000E30000-0x00000000014C8000-memory.dmp

Filesize
6.6MB

Download