stealc | 68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 11:13

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General

Target

68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe
Size

1.7MB
MD5

0582340761e33efd2a21648c16bfb2a0
SHA1

5969dd157be65358d13fbe3d90b979c164feb18a
SHA256

68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252
SHA512

8eaee4bbbfa04dbc659e3e6bc2f8823bbf6c3ca66b5684ad573d7f54e8801570ad7d1d7421b4fe61fc371251e87c4f59569ffa310a0a07fe4fafbebfa9c4514a
SSDEEP

24576:jgPQlVIeQz7dxlBiRytQr44w900YE/MM6O35Tb8D1fXww7hnHRvJEUjMDS+5WXOx:5947pB504+DRXwyxKUJXYn

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__	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.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	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.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	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3832	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.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	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3832	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe
3832	68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe

C:\Users\Admin\AppData\Local\Temp\68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.exe
"C:\Users\Admin\AppData\Local\Temp\68575370f1390ed4d09dce7f27ec3c9a876e1036e24730bd9350f7d69ce10252.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:3832

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/3832-0-0x0000000000060000-0x00000000006FB000-memory.dmp

Filesize
6.6MB

Download
memory/3832-1-0x00000000774E4000-0x00000000774E6000-memory.dmp

Filesize
8KB

Download
memory/3832-2-0x0000000000061000-0x0000000000078000-memory.dmp

Filesize
92KB

Download
memory/3832-3-0x0000000000060000-0x00000000006FB000-memory.dmp

Filesize
6.6MB

Download
memory/3832-5-0x0000000000060000-0x00000000006FB000-memory.dmp

Filesize
6.6MB

Download