Malware Analysis Report

2024-10-10 07:38

Sample ID 240615-b9762avfkd
Target 8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe
SHA256 8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb
Tags
themida evasion trojan
score
10/10

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
10/10

SHA256

8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb

Threat Level: Known bad

The file 8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe was found to be: Known bad.

Malicious Activity Summary

themida evasion trojan

Detects executables packed with Themida

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

Detects executables packed with Themida

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

2024-06-15 01:51

Signatures

Detects executables packed with Themida

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

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 01:51

Reported

2024-06-15 01:54

Platform

win7-20240508-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe"

Signatures

Detects executables packed with 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

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\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.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\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.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

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\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe

"C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe"

Network

N/A

Files

memory/1856-0-0x0000000140000000-0x0000000144BB8000-memory.dmp

memory/1856-1-0x0000000077AB0000-0x0000000077AB2000-memory.dmp

memory/1856-3-0x0000000140000000-0x0000000144BB8000-memory.dmp

memory/1856-2-0x0000000140000000-0x0000000144BB8000-memory.dmp

memory/1856-4-0x0000000140000000-0x0000000144BB8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 01:51

Reported

2024-06-15 01:54

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

55s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe"

Signatures

Detects executables packed with 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

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\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.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\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.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

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\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe

"C:\Users\Admin\AppData\Local\Temp\8eb3a2b0c546da0b5c595cbbba207db7f990b3726075ea45f7decf57b863f5bb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1116-0-0x0000000140000000-0x0000000144BB8000-memory.dmp

memory/1116-2-0x00007FF965530000-0x00007FF965532000-memory.dmp

memory/1116-1-0x0000000140000000-0x0000000144BB8000-memory.dmp

memory/1116-3-0x0000000140000000-0x0000000144BB8000-memory.dmp

memory/1116-5-0x0000000140000000-0x0000000144BB8000-memory.dmp