stealc | 65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad

Analysis

max time kernel
94s
max time network
143s
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 02:19

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General

Target

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe
Size

1.7MB
MD5

69cbce48a9ce8b1da7a0195ae4dfbccc
SHA1

c05a7472201be886b55e2958351df9e211fbe639
SHA256

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad
SHA512

f24c8b12f0d2fd02a4ffcc7d196f96f2c1f8edbe029c5e99133795d8834589b2ad60d27f55fcb3d5887fc818b8bc178298f53dbf43a5cc879aef279e809fa311
SSDEEP

49152:xU9+qhQuGyU+eN3agyYmYhIHWpBsfgvGY85PMMvV:xU9HU+EbyJYWHiB3GYkUw

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:

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.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:

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.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:

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

pid	Process
1404	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.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:

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

pid	Process
1404	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe
1404	65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe

C:\Users\Admin\AppData\Local\Temp\65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.exe
"C:\Users\Admin\AppData\Local\Temp\65e88eb9ca629cda57680a4f4f7d0d39fe7dfe7ef80d619b809779e9ecff33ad.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:1404

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/1404-0-0x0000000000640000-0x0000000000CE3000-memory.dmp

Filesize
6.6MB

Download
memory/1404-1-0x0000000076F44000-0x0000000076F46000-memory.dmp

Filesize
8KB

Download
memory/1404-2-0x0000000000641000-0x0000000000658000-memory.dmp

Filesize
92KB

Download
memory/1404-3-0x0000000000640000-0x0000000000CE3000-memory.dmp

Filesize
6.6MB

Download
memory/1404-4-0x0000000000640000-0x0000000000CE3000-memory.dmp

Filesize
6.6MB

Download