stealc | 9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 21:01

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General

Target

9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe
Size

1.7MB
MD5

acd6100b0f2c783fe09740e441c8db8d
SHA1

16e00b046fd09937b40ad374b2ed998242bf3549
SHA256

9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7
SHA512

b37ac4958d6f59d7023f2cb4b8946e28df79c8573a050bd29a09c1c388f517f0e4111e0b60f87fcdd6ae5e6cb4db39f0f7fba941d3f6e9d31108ea62edfa87e9
SSDEEP

24576:8IvTGr3eN6ufUkfCtAAIGQa5Acxueg5WdoFUl6rj6WiJrD13Hqn5gxF/P:8IvCWXRA7QejIevdtlQ6WiJBAgxFn

Score

10^/10

stealc leva discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

leva

http://185.215.113.100

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__	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.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\VideoBiosVersion	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.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-1-5-21-656926755-4116854191-210765258-1000\Software\Wine	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4740	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.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	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4740	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe
4740	9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe

C:\Users\Admin\AppData\Local\Temp\9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.exe
"C:\Users\Admin\AppData\Local\Temp\9690eff3fd51fb5810464f53529bb39b4327fb74c75be52e9bd5565ae3ee1ec7.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:4740

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/4740-0-0x0000000000230000-0x00000000008A8000-memory.dmp

Filesize
6.5MB

Download
memory/4740-1-0x0000000077404000-0x0000000077406000-memory.dmp

Filesize
8KB

Download
memory/4740-2-0x0000000000231000-0x0000000000245000-memory.dmp

Filesize
80KB

Download
memory/4740-3-0x0000000000230000-0x00000000008A8000-memory.dmp

Filesize
6.5MB

Download
memory/4740-4-0x0000000000230000-0x00000000008A8000-memory.dmp

Filesize
6.5MB

Download