Malware Analysis Report

2025-06-16 06:54

Sample ID 241104-dc5qrasajb
Target c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe
SHA256 c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249
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

c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249

Threat Level: Known bad

The file c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe 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

Windows security modification

Identifies Wine through registry keys

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

2024-11-04 02:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 02:52

Reported

2024-11-04 02:55

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe"

Signatures

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe

"C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe"

Network

N/A

Files

memory/2408-0-0x00000000008A0000-0x0000000000B66000-memory.dmp

memory/2408-1-0x00000000008A0000-0x0000000000B66000-memory.dmp

memory/2408-2-0x00000000008A0000-0x0000000000B66000-memory.dmp

memory/2408-4-0x00000000008A0000-0x0000000000B66000-memory.dmp

memory/2408-6-0x00000000008A0000-0x0000000000B66000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 02:52

Reported

2024-11-04 02:55

Platform

win10v2004-20241007-en

Max time kernel

136s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe"

Signatures

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.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\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe

"C:\Users\Admin\AppData\Local\Temp\c51369d554807bcbd3ea1296da90f74eaf5a27139bde3cd27af5e4646f1b8249.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/896-0-0x00000000005C0000-0x0000000000886000-memory.dmp

memory/896-1-0x00000000005C0000-0x0000000000886000-memory.dmp

memory/896-2-0x00000000005C0000-0x0000000000886000-memory.dmp

memory/896-4-0x00000000005C0000-0x0000000000886000-memory.dmp

memory/896-7-0x00000000005C0000-0x0000000000886000-memory.dmp