Malware Analysis Report

2024-10-16 07:00

Sample ID 240609-latjpshd36
Target BALD.WIN_Fortnite_External.exe
SHA256 07c40b80e0caeb0e0dbd4b9a324c63fa2984f0be8549f312a292dceeb6bb4e79
Tags
evasion themida 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

07c40b80e0caeb0e0dbd4b9a324c63fa2984f0be8549f312a292dceeb6bb4e79

Threat Level: Likely malicious

The file BALD.WIN_Fortnite_External.exe was found to be: Likely malicious.

Malicious Activity Summary

evasion themida trojan

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

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 09:20

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

2024-06-09 09:20

Reported

2024-06-09 09:20

Platform

win10v2004-20240226-en

Max time kernel

19s

Max time network

24s

Command Line

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Processes

C:\Users\Admin\AppData\Local\Temp\BALD.WIN_Fortnite_External.exe

"C:\Users\Admin\AppData\Local\Temp\BALD.WIN_Fortnite_External.exe"

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 2.21.189.164:80 tcp
N/A 2.21.189.164:80 tcp

Files

memory/1632-0-0x00007FF9A67D0000-0x00007FF9A67D2000-memory.dmp

memory/1632-1-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-2-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-3-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-4-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-5-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-6-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-7-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-8-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp

memory/1632-9-0x00007FF6265E0000-0x00007FF6272BF000-memory.dmp