Malware Analysis Report

2024-10-10 07:58

Sample ID 240612-paf56athkd
Target d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c
SHA256 d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c
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

d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c

Threat Level: Likely malicious

The file d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c was found to be: Likely malicious.

Malicious Activity Summary

themida evasion trojan

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

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 12:07

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 12:07

Reported

2024-06-12 12:09

Platform

win7-20240221-en

Max time kernel

141s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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

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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe

"C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2172 -s 564

Network

N/A

Files

memory/2172-0-0x000000013FA80000-0x000000014060E000-memory.dmp

memory/2172-1-0x000007FEFD393000-0x000007FEFD394000-memory.dmp

memory/2172-2-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp

memory/2172-3-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp

memory/2172-4-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp

memory/2172-5-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp

memory/2172-8-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp

memory/2172-9-0x000000013FA80000-0x000000014060E000-memory.dmp

memory/2172-10-0x000000013FA80000-0x000000014060E000-memory.dmp

memory/2172-12-0x000007FEFD393000-0x000007FEFD394000-memory.dmp

memory/2172-13-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 12:07

Reported

2024-06-12 12:09

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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

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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe

"C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.113:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 113.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2152-0-0x00007FF760430000-0x00007FF760FBE000-memory.dmp

memory/2152-1-0x00007FFD07184000-0x00007FFD07185000-memory.dmp

memory/2152-3-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp

memory/2152-2-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp

memory/2152-4-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp

memory/2152-7-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp

memory/2152-8-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp

memory/2152-9-0x00007FF760430000-0x00007FF760FBE000-memory.dmp

memory/2152-10-0x00007FF760430000-0x00007FF760FBE000-memory.dmp

memory/2152-12-0x00007FF760430000-0x00007FF760FBE000-memory.dmp

memory/2152-13-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp