Malware Analysis Report

2024-10-16 07:00

Sample ID 240609-fr128aea41
Target MWIII_UPDATED_AIO.exe
SHA256 546ba562b2d4d7c4889b713472ad571a39d898b579a99ee778ce489300b6a6c6
Tags
themida evasion ransomware 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

546ba562b2d4d7c4889b713472ad571a39d898b579a99ee778ce489300b6a6c6

Threat Level: Likely malicious

The file MWIII_UPDATED_AIO.exe was found to be: Likely malicious.

Malicious Activity Summary

themida evasion ransomware trojan

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

Modifies boot configuration data using bcdedit

Themida packer

Checks BIOS information in registry

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 05:07

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

2024-06-09 05:07

Reported

2024-06-09 05:07

Platform

win7-20240215-en

Max time kernel

7s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\MWIII_UPDATED_AIO.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\MWIII_UPDATED_AIO.exe N/A

Modifies boot configuration data using bcdedit

ransomware evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\bcdedit.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\MWIII_UPDATED_AIO.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\MWIII_UPDATED_AIO.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
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\MWIII_UPDATED_AIO.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c bcdedit /set hypervisorlaunchtype off >nul 2>&1

C:\Windows\system32\bcdedit.exe

bcdedit /set hypervisorlaunchtype off

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c shutdown /r /f /t 0 >nul 2>&1

C:\Windows\system32\shutdown.exe

shutdown /r /f /t 0

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x0

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x1

Network

N/A

Files

memory/1516-1-0x00000000777E0000-0x00000000777E2000-memory.dmp

memory/1516-0-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-8-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-4-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-7-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-6-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-5-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-3-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-2-0x000000013F550000-0x000000014037B000-memory.dmp

memory/1516-10-0x000000013F550000-0x000000014037B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 05:07

Reported

2024-06-09 05:07

Platform

win10v2004-20240426-en

Max time kernel

7s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\MWIII_UPDATED_AIO.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\MWIII_UPDATED_AIO.exe N/A

Modifies boot configuration data using bcdedit

ransomware evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\bcdedit.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\MWIII_UPDATED_AIO.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\MWIII_UPDATED_AIO.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
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\MWIII_UPDATED_AIO.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4888 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\MWIII_UPDATED_AIO.exe C:\Windows\system32\cmd.exe
PID 4888 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\MWIII_UPDATED_AIO.exe C:\Windows\system32\cmd.exe
PID 4412 wrote to memory of 3436 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\bcdedit.exe
PID 4412 wrote to memory of 3436 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\bcdedit.exe

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c bcdedit /set hypervisorlaunchtype off >nul 2>&1

C:\Windows\system32\bcdedit.exe

bcdedit /set hypervisorlaunchtype off

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c shutdown /r /f /t 0 >nul 2>&1

C:\Windows\system32\shutdown.exe

shutdown /r /f /t 0

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa39bb055 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp

Files

memory/4888-0-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-2-0x00007FF85BFB0000-0x00007FF85BFB2000-memory.dmp

memory/4888-1-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-3-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-4-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-5-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-6-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-8-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-7-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp

memory/4888-10-0x00007FF76E2F0000-0x00007FF76F11B000-memory.dmp