stealc | 09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5

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
22-11-2024 06:58

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General

Target

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe
Size

1.7MB
MD5

65cdef26d850978c55e153d3ecc6663a
SHA1

47d3b96c28dd17e2de7c83a96831909b06df6cc0
SHA256

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5
SHA512

ffbd3ed3648266b3d37d3edfb0e5bd5094e70a0131142434485c64a953bb63197ee85cf15b9f58b21fe9b375abeccc11bac12264a5a56b2cb4f08e50a8500b99
SSDEEP

49152:N9QJ8SRmZEblDMUePc0eTM0QoEzH934Ma181:bQ2SRkE9cIwNoc

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

Processes:

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.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

Processes:

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.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

Processes:

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

pid process

2588 09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.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

Processes:

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

pid	process
2588	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe
2588	09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe

C:\Users\Admin\AppData\Local\Temp\09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.exe
"C:\Users\Admin\AppData\Local\Temp\09c2c48f08a3f69691aa6cfbdde118d8bff9f441b2b18c51638af04edaece3d5.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:2588

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/2588-0-0x0000000000550000-0x0000000000BDE000-memory.dmp

Filesize
6.6MB

Download
memory/2588-1-0x0000000077CB4000-0x0000000077CB6000-memory.dmp

Filesize
8KB

Download
memory/2588-2-0x0000000000551000-0x0000000000568000-memory.dmp

Filesize
92KB

Download
memory/2588-3-0x0000000000550000-0x0000000000BDE000-memory.dmp

Filesize
6.6MB

Download
memory/2588-4-0x0000000000550000-0x0000000000BDE000-memory.dmp

Filesize
6.6MB

Download