stealc | 702554dff18496ad97d3025938af8889b86aa22cf61190bd0307954601b7364b

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
28/11/2024, 00:39

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General

Target

BG2RE_file.exe
Size

1.7MB
MD5

b21531e048b490271bac59dbbbc17068
SHA1

9680aca1c50652626f1f8206a323d823912daf42
SHA256

702554dff18496ad97d3025938af8889b86aa22cf61190bd0307954601b7364b
SHA512

323086107d90273b3ad9ea84946c90979a53c25d70cd22206e198f8cfcc3a37c0743ed4affd684a67c4333164ccf831175abf2d9b2e5bd4cd0f74fcd91f7b89c
SSDEEP

24576:vw5q0hla7GTCLli6Nq61cARehn1MqfCDakMCadIS74OBTn6wBGkk0gHFdPU1l1Zp:vwlLT3MqNIVq6vWf9BT6Hh08dPy+iu/

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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__	BG2RE_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	BG2RE_file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BG2RE_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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	BG2RE_file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2076	BG2RE_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	BG2RE_file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2076	BG2RE_file.exe
2076	BG2RE_file.exe

C:\Users\Admin\AppData\Local\Temp\BG2RE_file.exe
"C:\Users\Admin\AppData\Local\Temp\BG2RE_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:2076

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/2076-0-0x0000000000CD0000-0x000000000136F000-memory.dmp

Filesize
6.6MB

Download
memory/2076-1-0x00000000771D4000-0x00000000771D6000-memory.dmp

Filesize
8KB

Download
memory/2076-2-0x0000000000CD1000-0x0000000000CE8000-memory.dmp

Filesize
92KB

Download
memory/2076-3-0x0000000000CD0000-0x000000000136F000-memory.dmp

Filesize
6.6MB

Download
memory/2076-5-0x0000000000CD0000-0x000000000136F000-memory.dmp

Filesize
6.6MB

Download