stealc | 8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 01:38

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General

Target

8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe
Size

1.7MB
MD5

a24d6db76c00491f9386c3af7155ec85
SHA1

d8df17398795c958f8743180dc6f09d4cc0ee625
SHA256

8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1
SHA512

8519f5cf0e1bfb19fe4a8732f2d9b5ed6df322dc3ba467bd81ad423869e59a6dfe59c70e15f4e7ea2587af6555722a998851a98c889dc492d1e960ade3a531b6
SSDEEP

49152:6O2oN9cVTSkL7DooBzq6pGdRelThUENrY:QoN+mkMAq2GrkTiOr

Score

10^/10

stealc rave discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

rave

http://185.215.113.103

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.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	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.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-1-5-21-2392887640-1187051047-2909758433-1000\Software\Wine	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1728	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.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	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1728	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe
1728	8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe

C:\Users\Admin\AppData\Local\Temp\8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.exe
"C:\Users\Admin\AppData\Local\Temp\8deed5e79fe22ba79e9d192e2d785b19c15d1d7f4cd997e89edf14d392e805f1.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:1728

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/1728-0-0x0000000000DE0000-0x0000000001460000-memory.dmp

Filesize
6.5MB

Download
memory/1728-1-0x0000000077004000-0x0000000077006000-memory.dmp

Filesize
8KB

Download
memory/1728-2-0x0000000000DE1000-0x0000000000DF5000-memory.dmp

Filesize
80KB

Download
memory/1728-3-0x0000000000DE0000-0x0000000001460000-memory.dmp

Filesize
6.5MB

Download
memory/1728-5-0x0000000000DE0000-0x0000000001460000-memory.dmp

Filesize
6.5MB

Download