Malware Analysis Report

2024-10-16 07:00

Sample ID 240609-jbeqtsgc97
Target V2_Unlocker.exe
SHA256 b7db6356ae04fdf67ddd099a6b554c9d6f3743561506461c30c3f5b21d820bbb
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

b7db6356ae04fdf67ddd099a6b554c9d6f3743561506461c30c3f5b21d820bbb

Threat Level: Likely malicious

The file V2_Unlocker.exe was found to be: Likely malicious.

Malicious Activity Summary

themida evasion trojan

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

Looks for VirtualBox Guest Additions in registry

Themida packer

Checks BIOS information in registry

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks for VirtualBox DLLs, possible anti-VM trick

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 07:29

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 07:29

Reported

2024-06-09 07:35

Platform

win7-20240508-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.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\V2_Unlocker.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\V2_Unlocker.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe 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\V2_Unlocker.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe

"C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pytguard.com udp
US 104.21.44.88:443 pytguard.com tcp

Files

memory/1976-2-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

memory/1976-4-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

memory/1976-3-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

memory/1976-1-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

memory/1976-0-0x000007FEFCED4000-0x000007FEFCED5000-memory.dmp

memory/1976-5-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

memory/1976-6-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

memory/1976-17-0x0000000180000000-0x0000000180081000-memory.dmp

memory/1976-11-0x0000000000250000-0x000000000026A000-memory.dmp

memory/1976-24-0x000007FEFCEC0000-0x000007FEFCF2C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 07:29

Reported

2024-06-09 07:33

Platform

win10v2004-20240508-en

Max time kernel

11s

Max time network

13s

Command Line

"C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.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\V2_Unlocker.exe N/A

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.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\V2_Unlocker.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe 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\V2_Unlocker.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A

Checks for VirtualBox DLLs, possible anti-VM trick

Description Indicator Process Target
File opened (read-only) \??\VBoxMiniRdrDN C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe

"C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe" MD5 | find /i /v "md5" | find /i /v "certutil"

C:\Windows\system32\certutil.exe

certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\V2_Unlocker.exe" MD5

C:\Windows\system32\find.exe

find /i /v "md5"

C:\Windows\system32\find.exe

find /i /v "certutil"

C:\Windows\system32\cmd.exe

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

C:\Windows\system32\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 pytguard.com udp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 56.198.67.172.in-addr.arpa udp
N/A 127.0.0.1:57396 tcp
N/A 127.0.0.1:57400 tcp
US 8.8.8.8:53 keyauth.win udp
US 104.26.1.5:443 keyauth.win tcp
US 172.67.198.56:443 pytguard.com tcp
US 8.8.8.8:53 x2.c.lencr.org udp
BE 104.90.25.32:80 x2.c.lencr.org tcp
US 8.8.8.8:53 163.214.58.216.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 8.8.8.8:53 32.25.90.104.in-addr.arpa udp
US 8.8.8.8:53 5.1.26.104.in-addr.arpa udp
US 172.67.198.56:443 pytguard.com tcp
US 104.26.1.5:443 keyauth.win tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
N/A 127.0.0.1:57412 tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp
US 172.67.198.56:443 pytguard.com tcp

Files

memory/2944-0-0x00007FF8320A4000-0x00007FF8320A5000-memory.dmp

memory/2944-2-0x00007FF832040000-0x00007FF832309000-memory.dmp

memory/2944-4-0x00007FF832040000-0x00007FF832309000-memory.dmp

memory/2944-3-0x00007FF832040000-0x00007FF832309000-memory.dmp

memory/2944-1-0x00007FF832040000-0x00007FF832309000-memory.dmp

memory/2944-5-0x00007FF832040000-0x00007FF832309000-memory.dmp

memory/2944-10-0x0000000000530000-0x000000000054A000-memory.dmp

memory/2944-16-0x0000000180000000-0x0000000180081000-memory.dmp