Malware Analysis Report

2025-08-05 23:04

Sample ID 240412-fcaxgsfb23
Target Injector.exe
SHA256 443b665c5f545a2bdd7855f86bf70a5ee7f35eda1b6b08615161f5809cbda02b
Tags
evasion themida trojan
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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

evasion themida 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

2024-04-12 04:43

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: behavioral2

Detonation Overview

Submitted

2024-04-12 04:43

Reported

2024-04-12 04:43

Platform

win10v2004-20240226-en

Max time kernel

15s

Max time network

17s

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 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp

Files

memory/4180-0-0x00007FF70FB80000-0x00007FF7104E0000-memory.dmp

memory/4180-1-0x00007FF70FB80000-0x00007FF7104E0000-memory.dmp

memory/4180-2-0x00007FFA6BA30000-0x00007FFA6BC25000-memory.dmp

memory/4180-3-0x00007FF70FB80000-0x00007FF7104E0000-memory.dmp

memory/4180-4-0x00007FF70FB80000-0x00007FF7104E0000-memory.dmp

memory/4180-5-0x00007FF70FB80000-0x00007FF7104E0000-memory.dmp

memory/4180-6-0x00007FF70FB80000-0x00007FF7104E0000-memory.dmp

memory/4180-7-0x00007FFA6BA30000-0x00007FFA6BC25000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-12 04:43

Reported

2024-04-12 04:45

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

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

N/A

Files

memory/3048-1-0x000000013FDC0000-0x0000000140720000-memory.dmp

memory/3048-0-0x000000013FDC0000-0x0000000140720000-memory.dmp

memory/3048-3-0x000000013FDC0000-0x0000000140720000-memory.dmp

memory/3048-2-0x00000000779B0000-0x0000000077B59000-memory.dmp

memory/3048-4-0x000000013FDC0000-0x0000000140720000-memory.dmp

memory/3048-5-0x000000013FDC0000-0x0000000140720000-memory.dmp

memory/3048-6-0x000000013FDC0000-0x0000000140720000-memory.dmp

memory/3048-7-0x00000000779B0000-0x0000000077B59000-memory.dmp