Malware Analysis Report

2025-08-10 23:22

Sample ID 241117-kjydkswdkp
Target b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4
SHA256 b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4
Tags
discovery evasion themida 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

b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4

Threat Level: Likely malicious

The file b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion themida trojan

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

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 08:38

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

2024-11-17 08:38

Reported

2024-11-17 08:41

Platform

win7-20240903-en

Max time kernel

140s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.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\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.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\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.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\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe

"C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe"

Network

N/A

Files

memory/2668-0-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/2668-1-0x0000000075F6E000-0x0000000075F6F000-memory.dmp

memory/2668-2-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-7-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-9-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-8-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-6-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-5-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-4-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-3-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-10-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-11-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/2668-12-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/2668-13-0x00000000003F0000-0x00000000003FC000-memory.dmp

memory/2668-14-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/2668-15-0x0000000075F60000-0x0000000075FA7000-memory.dmp

memory/2668-16-0x0000000075F6E000-0x0000000075F6F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 08:38

Reported

2024-11-17 08:41

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.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\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.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\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.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\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe

"C:\Users\Admin\AppData\Local\Temp\b6d10bb1746b946c352471a3c9278fa4d86ce122ccf37b3a7dab01c75abe90c4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/636-0-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/636-3-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-2-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-5-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-6-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-4-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-1-0x0000000076450000-0x0000000076451000-memory.dmp

memory/636-7-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/636-8-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/636-9-0x0000000002E40000-0x0000000002E4C000-memory.dmp

memory/636-10-0x0000000005040000-0x00000000050D2000-memory.dmp

memory/636-11-0x00000000051C0000-0x0000000005764000-memory.dmp

memory/636-12-0x0000000000400000-0x00000000009F8000-memory.dmp

memory/636-13-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-14-0x0000000076450000-0x0000000076451000-memory.dmp

memory/636-15-0x0000000076430000-0x0000000076520000-memory.dmp

memory/636-17-0x0000000076430000-0x0000000076520000-memory.dmp