stealc | 57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2

Analysis

max time kernel
150s
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
22/08/2024, 01:31

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General

Target

57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe
Size

1.7MB
MD5

ceab4bdd04d57e5a7a4df89c97841c38
SHA1

ecd20bf1fbb58e1fdb1f8faf4c7c9e6fbd13820d
SHA256

57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2
SHA512

cd84a8f59c898fa7edb3ed8945132274b17254d8c8e00ce5e0705797f395c7a78dd4930ff112114c85be9b46736a8514385c13ad71c080e8c4d28c749cddbb43
SSDEEP

49152:Bp1hqdf0lfpMI+z4EKozkQKu3naBoxR4mdU0+:Bp/qyClz4EKozkQJlRFY

Score

10^/10

stealc nord discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

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__	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.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	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.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-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3392	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.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	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3392	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe
3392	57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe

C:\Users\Admin\AppData\Local\Temp\57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.exe
"C:\Users\Admin\AppData\Local\Temp\57b97773593b3b07fc9607580db07bcc087b12859609cef3935cd7d933257ec2.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:3392

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/3392-0-0x0000000001000000-0x0000000001693000-memory.dmp

Filesize
6.6MB

Download
memory/3392-1-0x0000000077154000-0x0000000077156000-memory.dmp

Filesize
8KB

Download
memory/3392-2-0x0000000001001000-0x0000000001015000-memory.dmp

Filesize
80KB

Download
memory/3392-3-0x0000000001000000-0x0000000001693000-memory.dmp

Filesize
6.6MB

Download
memory/3392-4-0x0000000001000000-0x0000000001693000-memory.dmp

Filesize
6.6MB

Download