stealc | 462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972

Analysis

max time kernel
148s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 04:42

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General

Target

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe
Size

1.7MB
MD5

4b517665a74a84df87d5360aa6560efb
SHA1

8e2981eaf255f7e1cc90da8b494148281769bcb4
SHA256

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972
SHA512

98bd7c367a1c98eb8bacc975f5cd1a9302d68f6661af529f173fa9f2433ab773aed7c9a6fc8b41b654fffd3514443ec1804b86b747baf9b0d9381ce7d6b388ee
SSDEEP

49152:LKaFTLAwjiRsaAe9BOKRdqo0GQtTyWHIQ:2onjiyaAeOKRdEGETy

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:

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.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:

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.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:

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

pid process

2116 462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

pid	process
2116	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.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:

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

pid process

2116 462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

pid	process
2116	462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe

C:\Users\Admin\AppData\Local\Temp\462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.exe
"C:\Users\Admin\AppData\Local\Temp\462b590df7f786de4cb422be74146d935f45d47008a25fe26979f3737f3dd972.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:2116

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/2116-0-0x0000000000800000-0x0000000000E97000-memory.dmp

Filesize
6.6MB

Download
memory/2116-1-0x00000000773A0000-0x00000000773A2000-memory.dmp

Filesize
8KB

Download
memory/2116-2-0x0000000000801000-0x0000000000818000-memory.dmp

Filesize
92KB

Download
memory/2116-3-0x0000000000800000-0x0000000000E97000-memory.dmp

Filesize
6.6MB

Download
memory/2116-5-0x0000000000800000-0x0000000000E97000-memory.dmp

Filesize
6.6MB

Download