Malware Analysis Report

2024-10-16 06:49

Sample ID 240615-31amysthjq
Target euphoria2.exe
SHA256 c49b9a4650c210b30e7524121238056f51ce2815bae7fe0b543e66177aa6900e
Tags
themida evasion trojan
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 Overview

score
9/10

SHA256

c49b9a4650c210b30e7524121238056f51ce2815bae7fe0b543e66177aa6900e

Threat Level: Likely malicious

The file euphoria2.exe was found to be: Likely malicious.

Malicious Activity Summary

themida evasion trojan

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

Themida packer

Checks BIOS information in registry

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 23:58

Signatures

Themida packer

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 23:58

Reported

2024-06-15 23:59

Platform

win10v2004-20240611-en

Max time kernel

35s

Max time network

39s

Command Line

"C:\Users\Admin\AppData\Local\Temp\euphoria2.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\euphoria2.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\euphoria2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\euphoria2.exe N/A

Themida packer

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\euphoria2.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\euphoria2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\euphoria2.exe

"C:\Users\Admin\AppData\Local\Temp\euphoria2.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
GB 45.8.187.117:31415 tcp
JP 162.222.17.3:31415 tcp
US 8.8.8.8:53 117.187.8.45.in-addr.arpa udp
GB 45.8.187.117:31415 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp

Files

memory/2564-0-0x0000000140000000-0x00000001410F2000-memory.dmp

memory/2564-1-0x00007FFB42030000-0x00007FFB42032000-memory.dmp

memory/2564-4-0x0000000140000000-0x00000001410F2000-memory.dmp

memory/2564-3-0x0000000140000000-0x00000001410F2000-memory.dmp

memory/2564-2-0x0000000140000000-0x00000001410F2000-memory.dmp

memory/2564-5-0x0000000140000000-0x00000001410F2000-memory.dmp

memory/2564-6-0x0000000140000000-0x00000001410F2000-memory.dmp

memory/2564-7-0x0000000140000000-0x00000001410F2000-memory.dmp