stealc | 962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631

Analysis

max time kernel
148s
max time network
150s
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 03:26

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General

Target

962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe
Size

2.0MB
MD5

aed37464a2128c89076188d9f416401a
SHA1

1b954f16ca55bbf51b2f45c6fb71d349de6842f1
SHA256

962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631
SHA512

78bdc21975e2d0c64e0b8af8e6f18d45ce1da4c9fb1567ba5304d426ff30ee71f2b0b772d16c8415e4260c8af2fb7b92d82ab89fcc67b3d0428fdc0b1ef21b5c
SSDEEP

49152:BGrReYTSRc0aQu+Bt6LHQI7lhq3ZYph9GW2F9qMbFtdyjrtsvm:krg6qOWB8wI7/q3679GbF9qMzdyyvm

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__	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.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\VideoBiosVersion	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2484	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.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	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe
2484	962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe

C:\Users\Admin\AppData\Local\Temp\962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.exe
"C:\Users\Admin\AppData\Local\Temp\962d675cfea4802ded2e4a1f4b70044ff15988cb73e740037298d4b2b1891631.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:2484

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/2484-0-0x0000000000580000-0x0000000000CA6000-memory.dmp

Filesize
7.1MB

Download
memory/2484-1-0x0000000077254000-0x0000000077256000-memory.dmp

Filesize
8KB

Download
memory/2484-2-0x0000000000581000-0x00000000005E9000-memory.dmp

Filesize
416KB

Download
memory/2484-3-0x0000000000580000-0x0000000000CA6000-memory.dmp

Filesize
7.1MB

Download
memory/2484-4-0x0000000000580000-0x0000000000CA6000-memory.dmp

Filesize
7.1MB

Download