stealc | 3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 03:52

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General

Target

3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.exe
Size

2.0MB
MD5

0d66964b95a103280b67464d2d35f7f9
SHA1

669980ca0f8f96bcd24911aeb5f76ad248df5f8b
SHA256

3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f
SHA512

c062a5b74c91dd7b5af4fb4c35c9d94a444da720ab28a012d9bd5851fa7505ba139a895951d0370c557670e442139122cdc7083a9f9a9b99727438fb0045c3e6
SSDEEP

49152:o//U7i8IUIUOTDHcO2+wCCA9/Vffiww2A6on3:aYiBUILrcilxVffip2c3

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__	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.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	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2592	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.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	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2592	3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.exe

C:\Users\Admin\AppData\Local\Temp\3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.exe
"C:\Users\Admin\AppData\Local\Temp\3925c56988c4fe42634a3efaf0bf6f8525cde1a3626dc6f66aa3088cbdf0032f.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:2592

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/2592-0-0x0000000001330000-0x0000000001A59000-memory.dmp

Filesize
7.2MB

Download
memory/2592-1-0x0000000077270000-0x0000000077272000-memory.dmp

Filesize
8KB

Download
memory/2592-2-0x0000000001331000-0x0000000001399000-memory.dmp

Filesize
416KB

Download
memory/2592-3-0x0000000001330000-0x0000000001A59000-memory.dmp

Filesize
7.2MB

Download
memory/2592-4-0x0000000001330000-0x0000000001A59000-memory.dmp

Filesize
7.2MB

Download