Malware Analysis Report

2024-10-10 08:00

Sample ID 240612-hq68ystdjl
Target fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8
SHA256 fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8

Threat Level: Likely malicious

The file fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8 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 behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 06:57

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

2024-06-12 06:57

Reported

2024-06-12 07:00

Platform

win7-20240611-en

Max time kernel

117s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.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\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.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\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
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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\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe

"C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe"

Network

N/A

Files

memory/2200-0-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-1-0x00000000772A0000-0x00000000772A2000-memory.dmp

memory/2200-3-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-2-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-4-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-5-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-6-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-7-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-8-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-9-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-10-0x0000000000840000-0x0000000000ECA000-memory.dmp

memory/2200-11-0x0000000000840000-0x0000000000ECA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 06:57

Reported

2024-06-12 07:00

Platform

win10v2004-20240611-en

Max time kernel

79s

Max time network

81s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.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\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.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\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Themida packer

themida
Description Indicator Process Target
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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\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe

"C:\Users\Admin\AppData\Local\Temp\fbb33ae1459b049cfbb90f68447ba35bbbe6c36f634c70a953bde89572596ec8.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 20.189.173.13:443 tcp
US 8.8.8.8:53 57.82.21.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/1628-0-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-1-0x0000000077254000-0x0000000077256000-memory.dmp

memory/1628-3-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-4-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-5-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-2-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-7-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-9-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-10-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-8-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-6-0x0000000000EE0000-0x000000000156A000-memory.dmp

memory/1628-11-0x0000000000EE0000-0x000000000156A000-memory.dmp