Malware Analysis Report

2025-08-11 03:49

Sample ID 240409-qej82sba9s
Target Injector.exe
SHA256 443b665c5f545a2bdd7855f86bf70a5ee7f35eda1b6b08615161f5809cbda02b
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

443b665c5f545a2bdd7855f86bf70a5ee7f35eda1b6b08615161f5809cbda02b

Threat Level: Likely malicious

The file Injector.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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-09 13:10

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

2024-04-09 13:10

Reported

2024-04-09 13:11

Platform

win10v2004-20240226-en

Max time kernel

35s

Max time network

36s

Command Line

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

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\Injector.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 81.139.73.23.in-addr.arpa udp

Files

memory/1640-0-0x00007FF77E320000-0x00007FF77EC80000-memory.dmp

memory/1640-3-0x00007FFC7A2B0000-0x00007FFC7A4A5000-memory.dmp

memory/1640-1-0x00007FF77E320000-0x00007FF77EC80000-memory.dmp

memory/1640-2-0x00007FF77E320000-0x00007FF77EC80000-memory.dmp

memory/1640-4-0x00007FF77E320000-0x00007FF77EC80000-memory.dmp

memory/1640-6-0x00007FF77E320000-0x00007FF77EC80000-memory.dmp

memory/1640-5-0x00007FF77E320000-0x00007FF77EC80000-memory.dmp

memory/1640-7-0x00007FFC7A2B0000-0x00007FFC7A4A5000-memory.dmp