Malware Analysis Report

2025-08-10 23:22

Sample ID 241117-kgj36swcql
Target fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e
SHA256 fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e
Tags
discovery evasion
score
9/10

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
9/10

SHA256

fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e

Threat Level: Likely malicious

The file fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion

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

2024-11-17 08:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 08:34

Reported

2024-11-17 08:36

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe"

Signatures

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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe

"C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe"

Network

Country Destination Domain Proto
RU 185.215.113.206:80 185.215.113.206 tcp

Files

memory/2756-0-0x00000000002D0000-0x0000000000966000-memory.dmp

memory/2756-1-0x00000000778B0000-0x00000000778B2000-memory.dmp

memory/2756-2-0x00000000002D1000-0x00000000002E8000-memory.dmp

memory/2756-3-0x00000000002D0000-0x0000000000966000-memory.dmp

memory/2756-4-0x00000000002D0000-0x0000000000966000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 08:34

Reported

2024-11-17 08:36

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe"

Signatures

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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.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\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe

"C:\Users\Admin\AppData\Local\Temp\fbd40c2ae57071b7144eadf53cf907e57d6045717b52c168b7d38b28bab4989e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 185.215.113.206:80 185.215.113.206 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 206.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1388-0-0x0000000000E90000-0x0000000001526000-memory.dmp

memory/1388-1-0x00000000777E4000-0x00000000777E6000-memory.dmp

memory/1388-2-0x0000000000E91000-0x0000000000EA8000-memory.dmp

memory/1388-3-0x0000000000E90000-0x0000000001526000-memory.dmp

memory/1388-5-0x0000000000E90000-0x0000000001526000-memory.dmp