stealc | aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 02:55

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General

Target

aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe
Size

2.0MB
MD5

0ce27875032397642b45786f596daf0b
SHA1

4762a80e81b4f95479ebbadcc857e74bdc48bc2e
SHA256

aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9
SHA512

b73dcfe538ab4eac2a6cb63c6fc485a9fefa3f3637b47eb5a70c5350f304c4e8591f3f6856206c0f98221d2bf7fb42bff6b175b028f23ab8c9afbefac60fbdb6
SSDEEP

49152:1hDUrRnvgjOVVZyWO9JxcRAk3PNYIDXyUS:1arRn4gyVxcRGsXy

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.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	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1216	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.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	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1216	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe
1216	aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe

C:\Users\Admin\AppData\Local\Temp\aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.exe
"C:\Users\Admin\AppData\Local\Temp\aa740dd00e547371c5430c80ad68920770d370907e8b21c9ae7dd7cbf65de9e9.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:1216

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/1216-0-0x0000000000A90000-0x00000000011B5000-memory.dmp

Filesize
7.1MB

Download
memory/1216-1-0x0000000076FD4000-0x0000000076FD6000-memory.dmp

Filesize
8KB

Download
memory/1216-2-0x0000000000A91000-0x0000000000AF9000-memory.dmp

Filesize
416KB

Download
memory/1216-3-0x0000000000A90000-0x00000000011B5000-memory.dmp

Filesize
7.1MB

Download
memory/1216-5-0x0000000000A90000-0x00000000011B5000-memory.dmp

Filesize
7.1MB

Download