Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bqvrla1fkb
Target 56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe
SHA256 56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf
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

56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf

Threat Level: Known bad

The file 56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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 01:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:21

Reported

2024-09-20 01:23

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe

"C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2372-0-0x00000000003C0000-0x00000000008A5000-memory.dmp

memory/2372-1-0x00000000776F0000-0x00000000776F2000-memory.dmp

memory/2372-2-0x00000000003C1000-0x00000000003D5000-memory.dmp

memory/2372-3-0x00000000003C0000-0x00000000008A5000-memory.dmp

memory/2372-4-0x00000000003C0000-0x00000000008A5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:21

Reported

2024-09-20 01:23

Platform

win10v2004-20240802-en

Max time kernel

92s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.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\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe

"C:\Users\Admin\AppData\Local\Temp\56111ed2e685ab0713e4d82da3be28098e64fce0b89dc42fd9515c54b31782bf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp

Files

memory/4032-0-0x0000000000660000-0x0000000000B45000-memory.dmp

memory/4032-2-0x0000000000661000-0x0000000000675000-memory.dmp

memory/4032-1-0x0000000077D34000-0x0000000077D36000-memory.dmp

memory/4032-3-0x0000000000660000-0x0000000000B45000-memory.dmp

memory/4032-4-0x0000000000660000-0x0000000000B45000-memory.dmp