Malware Analysis Report

2025-08-10 23:23

Sample ID 241117-kprg8awejp
Target fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c
SHA256 fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c
Tags
discovery evasion trojan
score
10/10

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
10/10

SHA256

fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c

Threat Level: Known bad

The file fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c was found to be: Known bad.

Malicious Activity Summary

discovery evasion trojan

Modifies Windows Defender Real-time Protection settings

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

Checks BIOS information in registry

Identifies Wine through registry keys

Windows security modification

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 08:46

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 08:46

Reported

2024-11-17 08:49

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe"

Signatures

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

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\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.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\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.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\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe

"C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe"

Network

N/A

Files

memory/2456-0-0x0000000000280000-0x0000000000532000-memory.dmp

memory/2456-1-0x0000000000280000-0x0000000000532000-memory.dmp

memory/2456-2-0x0000000000280000-0x0000000000532000-memory.dmp

memory/2456-5-0x0000000000280000-0x0000000000532000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 08:46

Reported

2024-11-17 08:49

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe"

Signatures

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

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\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.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\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.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\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe

"C:\Users\Admin\AppData\Local\Temp\fbbf5cf28f455b18f8f614faf64118d20d38468409a08644db78d7bed16bcd9c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4908-0-0x0000000000280000-0x0000000000532000-memory.dmp

memory/4908-1-0x0000000000280000-0x0000000000532000-memory.dmp

memory/4908-2-0x0000000000280000-0x0000000000532000-memory.dmp

memory/4908-4-0x0000000000280000-0x0000000000532000-memory.dmp

memory/4908-7-0x0000000000280000-0x0000000000532000-memory.dmp