Malware Analysis Report

2024-10-10 08:09

Sample ID 240611-fddd1avhkk
Target 52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4
SHA256 52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4
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

52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4

Threat Level: Likely malicious

The file 52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4 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

2024-06-11 04:45

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

2024-06-11 04:45

Reported

2024-06-11 04:47

Platform

win7-20240220-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.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\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.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\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.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

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\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe

"C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe"

Network

N/A

Files

memory/3028-0-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3028-1-0x00000000774B0000-0x00000000774B2000-memory.dmp

memory/3028-2-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3028-3-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3028-4-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3028-5-0x0000000000400000-0x0000000000DB1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 04:45

Reported

2024-06-11 04:47

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.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\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.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\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.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\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe

"C:\Users\Admin\AppData\Local\Temp\52e10a7f3e61f8cb69896b3f7677d36f33a5b8aa8434836c109d70a6e419c2d4.exe"

Network

Files

memory/3652-0-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3652-1-0x0000000077464000-0x0000000077466000-memory.dmp

memory/3652-3-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3652-4-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3652-2-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3652-5-0x0000000000400000-0x0000000000DB1000-memory.dmp

memory/3652-7-0x0000000000400000-0x0000000000DB1000-memory.dmp