stealc | 5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 16:03

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General

Target

5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe
Size

1.7MB
MD5

014fe2951180116a9eb43716b0a2b669
SHA1

24468a745c1b4cdd34cf350fd018181df5a228db
SHA256

5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac
SHA512

c65e5e2fcdb415571377e7b60bce42e430ebaeb8ae6857bd224d165fc8ba2220cce722c81996434d096463d8ebb8b3f04b07e27aac7bf0605619c86b25618c04
SSDEEP

24576:1jXwGRcI8MhOZJYpkE9BkxsgmT//4dBTDpcDnxNmHRVn+yCc9ewiYrryzKvAsK0K:1YRYphbk8/QdBUxNmHRqX1zKvAL0

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__	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.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	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.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	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4912	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.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	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4912	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe
4912	5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe

C:\Users\Admin\AppData\Local\Temp\5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.exe
"C:\Users\Admin\AppData\Local\Temp\5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac.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:4912

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/4912-0-0x00000000006A0000-0x0000000000D33000-memory.dmp

Filesize
6.6MB

Download
memory/4912-1-0x00000000779A4000-0x00000000779A6000-memory.dmp

Filesize
8KB

Download
memory/4912-2-0x00000000006A1000-0x00000000006B8000-memory.dmp

Filesize
92KB

Download
memory/4912-3-0x00000000006A0000-0x0000000000D33000-memory.dmp

Filesize
6.6MB

Download
memory/4912-4-0x00000000006A0000-0x0000000000D33000-memory.dmp

Filesize
6.6MB

Download