stealc | 3be7b559446ef4570ec153c4e898b327a359577fbeaeb74fc159e8284504646a

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 23:14

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General

Target

file.exe
Size

5.0MB
MD5

4f838339f38f07f8a4faebabbc11477b
SHA1

d2104c8592655633b229ce43e67878cbb02a4764
SHA256

3be7b559446ef4570ec153c4e898b327a359577fbeaeb74fc159e8284504646a
SHA512

c2ae1ddcd9ef70bb0083c0b8ea4b3d422dec56cb0509323f3b4bdff768a5d0243e548e8a137208e1f8d1e6c295f329742546aff21d32897e97dac6cd788a1aa2
SSDEEP

49152:lgrSL5fuS/Ch3/qW004n/+GiPs2qAOiRkzmyqadQ3Kl6tw2dtN:io2S/Ch3/qWB4n/niEzh6kzmyqk4tN

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2372	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2372	file.exe
2372	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2372

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/2372-0-0x00000000005E0000-0x0000000000AD8000-memory.dmp

Filesize
5.0MB

Download
memory/2372-1-0x00000000773D4000-0x00000000773D6000-memory.dmp

Filesize
8KB

Download
memory/2372-2-0x00000000005E1000-0x000000000082A000-memory.dmp

Filesize
2.3MB

Download
memory/2372-3-0x00000000005E0000-0x0000000000AD8000-memory.dmp

Filesize
5.0MB

Download
memory/2372-5-0x00000000005E0000-0x0000000000AD8000-memory.dmp

Filesize
5.0MB

Download
memory/2372-6-0x00000000005E1000-0x000000000082A000-memory.dmp

Filesize
2.3MB

Download