Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bqq4easapn
Target 549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe
SHA256 549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df
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

549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df

Threat Level: Known bad

The file 549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe

"C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2976-0-0x0000000001080000-0x0000000001562000-memory.dmp

memory/2976-1-0x0000000077B50000-0x0000000077B52000-memory.dmp

memory/2976-2-0x0000000001081000-0x0000000001095000-memory.dmp

memory/2976-3-0x0000000001080000-0x0000000001562000-memory.dmp

memory/2976-4-0x0000000001080000-0x0000000001562000-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

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.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\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe

"C:\Users\Admin\AppData\Local\Temp\549b030ceb0ca5a4b7c39aa12de1302bf79f245e4b8f7e6023be233f066ad1df.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/2052-0-0x0000000000390000-0x0000000000872000-memory.dmp

memory/2052-1-0x0000000077684000-0x0000000077686000-memory.dmp

memory/2052-2-0x0000000000391000-0x00000000003A5000-memory.dmp

memory/2052-3-0x0000000000390000-0x0000000000872000-memory.dmp

memory/2052-4-0x0000000000390000-0x0000000000872000-memory.dmp