Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-g2vtmasdre
Target 0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe
SHA256 0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887
Tags
stealc rave discovery evasion stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887

Threat Level: Known bad

The file 0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe was found to be: Known bad.

Malicious Activity Summary

stealc rave discovery evasion stealer

Stealc

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

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-20 06:18

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 06:18

Reported

2024-09-20 06:21

Platform

win7-20240704-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe"

Signatures

Stealc

stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe

"C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2904-0-0x0000000000170000-0x0000000000652000-memory.dmp

memory/2904-1-0x00000000772F0000-0x00000000772F2000-memory.dmp

memory/2904-3-0x0000000000170000-0x0000000000652000-memory.dmp

memory/2904-2-0x0000000000171000-0x0000000000185000-memory.dmp

memory/2904-4-0x0000000000170000-0x0000000000652000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 06:18

Reported

2024-09-20 06:21

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe"

Signatures

Stealc

stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe

"C:\Users\Admin\AppData\Local\Temp\0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4944-0-0x0000000000660000-0x0000000000B42000-memory.dmp

memory/4944-1-0x00000000779C4000-0x00000000779C6000-memory.dmp

memory/4944-2-0x0000000000661000-0x0000000000675000-memory.dmp

memory/4944-3-0x0000000000660000-0x0000000000B42000-memory.dmp

memory/4944-4-0x0000000000660000-0x0000000000B42000-memory.dmp