stealc | c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 14:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.exe
Size

2.0MB
MD5

c983763cb4748946877c3fada66f0670
SHA1

e1387fbe57898c299da3e73babe05f708b1d9fd2
SHA256

c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec
SHA512

43dc253799761ce5770403361ee5839e1ba72c44064f74b50783fef38dcb6da3a1c8b57d7b60f6ab44e0824881872cbd0865d2e55cf5473deaa8eee1e25478a0
SSDEEP

49152:9QU9QFvCpcIJmy8Y1RytHtsHEuQAkmrh0gK7HfZS7Jlp0dL:9p9ivCptT10tHtlNHSh0gcf87Lp0F

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__	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.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	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2668	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.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	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2668	c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.exe

C:\Users\Admin\AppData\Local\Temp\c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.exe
"C:\Users\Admin\AppData\Local\Temp\c28f928469cb659df78d1a3c658a2fff4164603739e1ba0e49e3e18724136fec.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:2668

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2668-0-0x0000000000C40000-0x0000000001372000-memory.dmp

Filesize
7.2MB

Download
memory/2668-1-0x0000000077760000-0x0000000077762000-memory.dmp

Filesize
8KB

Download
memory/2668-3-0x0000000000C40000-0x0000000001372000-memory.dmp

Filesize
7.2MB

Download
memory/2668-2-0x0000000000C41000-0x0000000000CA9000-memory.dmp

Filesize
416KB

Download
memory/2668-4-0x0000000000C40000-0x0000000001372000-memory.dmp

Filesize
7.2MB

Download