stealc | bb9d7168bae1d0041794a500f9563cd573df355754fefba2f4c8521cbb207fa9

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2024, 01:21

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General

Target

file.exe
Size

5.0MB
MD5

a6e87b590446d6ebdf761a4f26f445bd
SHA1

6edcd5180d5577215b56587d6d6d7e36b4aa573d
SHA256

bb9d7168bae1d0041794a500f9563cd573df355754fefba2f4c8521cbb207fa9
SHA512

a1139753d8b3976b674b780cd914d9dc8935b9c373263a3f79552d837bb4cfb0b2266fc2cac8ed10dcd9ba05ab708cda673058a6d33a4741b28c44521aaf959d
SSDEEP

49152:qTrQN34Nstqq9FcKMB8/WTI4hM0ZhEHrgXNy:/NoNUqqW3dcr0N

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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4512	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
4512	file.exe
4512	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:4512

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/4512-0-0x0000000000350000-0x0000000000852000-memory.dmp

Filesize
5.0MB

Download
memory/4512-1-0x0000000077644000-0x0000000077646000-memory.dmp

Filesize
8KB

Download
memory/4512-3-0x0000000000350000-0x0000000000852000-memory.dmp

Filesize
5.0MB

Download
memory/4512-2-0x0000000000351000-0x000000000059A000-memory.dmp

Filesize
2.3MB

Download
memory/4512-5-0x0000000000350000-0x0000000000852000-memory.dmp

Filesize
5.0MB

Download
memory/4512-6-0x0000000000351000-0x000000000059A000-memory.dmp

Filesize
2.3MB

Download