stealc | 2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 17:41

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General

Target

2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe
Size

1.7MB
MD5

6cda4c99930c2bca37160475f9cbdbaa
SHA1

64c392addfc745d01aa00bd43d860b14a4af5494
SHA256

2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1
SHA512

eb638c3f3ddd9941805bcbf755a994796e5c67d802a8e9e822e9433170d9e2c14c2f9cba4814df56cd3d4433fd8e0977ea59062a48492c7eafa94a095ee1028d
SSDEEP

24576:IbK1O9Vn0uAT5YjrsePX8mbLsZGzQst7OsU/VfNLHxUhkKeq4KdtFuNM:IX9VndyYjrsePMokGzQs7aNLRckxS7FF

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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__	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.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	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2328	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.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	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2328	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe
2328	2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe

C:\Users\Admin\AppData\Local\Temp\2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.exe
"C:\Users\Admin\AppData\Local\Temp\2f14187f609759743ee4431a1260de808e46f9a921dd28caa7c219e7567d5df1.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:2328

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/2328-0-0x00000000008B0000-0x0000000000F51000-memory.dmp

Filesize
6.6MB

Download
memory/2328-1-0x0000000077B64000-0x0000000077B66000-memory.dmp

Filesize
8KB

Download
memory/2328-2-0x00000000008B1000-0x00000000008C8000-memory.dmp

Filesize
92KB

Download
memory/2328-3-0x00000000008B0000-0x0000000000F51000-memory.dmp

Filesize
6.6MB

Download
memory/2328-5-0x00000000008B0000-0x0000000000F51000-memory.dmp

Filesize
6.6MB

Download