stealc | 7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 03:03

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General

Target

7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe
Size

2.0MB
MD5

83043af9b799b4f4e9e49bdba71c38a9
SHA1

f1f58b0ff576f8f1e6c79d58897cc92b310ceb32
SHA256

7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab
SHA512

8cebbc880c1aec07aa47d47222cafe6cb299db076c987cffd17829e35162462b6f32b0cf9e0ad3e8258bb5468c223117d328a0bcc4e27c4a60949e89e4728cad
SSDEEP

49152:4MhUKQUZqns37TwgCfLBAfurddjyh5iwLCtqbsMoMztjV:4UUmZ/7TwgcVAWyeDtqbLzt5

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__	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.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	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4520	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.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	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4520	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe
4520	7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe

C:\Users\Admin\AppData\Local\Temp\7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.exe
"C:\Users\Admin\AppData\Local\Temp\7926b56923da5599dba17be8b6b8e378823badf241cecd5ab3747cc941f9c7ab.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:4520

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/4520-0-0x0000000000F70000-0x000000000169A000-memory.dmp

Filesize
7.2MB

Download
memory/4520-1-0x0000000077E54000-0x0000000077E56000-memory.dmp

Filesize
8KB

Download
memory/4520-2-0x0000000000F71000-0x0000000000FD9000-memory.dmp

Filesize
416KB

Download
memory/4520-3-0x0000000000F70000-0x000000000169A000-memory.dmp

Filesize
7.2MB

Download
memory/4520-5-0x0000000000F70000-0x000000000169A000-memory.dmp

Filesize
7.2MB

Download