Malware Analysis Report

2025-06-15 21:58

Sample ID 221110-p9sm8saad2
Target dd3a5df905b4aca6028903b83919514a.exe
SHA256 56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957
Tags
systembc evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

56ac1a8dc72d7a18f0af4f434e32479b14f67c3fe99c3bb23d38492e51412957

Threat Level: Known bad

The file dd3a5df905b4aca6028903b83919514a.exe was found to be: Known bad.

Malicious Activity Summary

systembc evasion trojan

SystemBC

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

Checks BIOS information in registry

Identifies Wine through registry keys

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 13:02

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 13:02

Reported

2022-11-10 13:04

Platform

win10v2004-20220812-en

Max time kernel

91s

Max time network

110s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe"

Signatures

SystemBC

trojan systembc

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\dd3a5df905b4aca6028903b83919514a.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.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\dd3a5df905b4aca6028903b83919514a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\wow64.job C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
File opened for modification C:\Windows\Tasks\wow64.job C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe

"C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe"

C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe

C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe start

Network

Country Destination Domain Proto
NL 104.80.225.205:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 slavelever.info udp
NL 46.30.41.57:4248 slavelever.info tcp
US 209.197.3.8:80 tcp

Files

memory/4200-132-0x0000000000400000-0x0000000000886000-memory.dmp

memory/4200-133-0x0000000076FF0000-0x0000000077193000-memory.dmp

memory/4200-134-0x0000000000400000-0x0000000000886000-memory.dmp

memory/4456-135-0x0000000000400000-0x0000000000886000-memory.dmp

memory/4200-136-0x0000000076FF0000-0x0000000077193000-memory.dmp

memory/4456-137-0x0000000076FF0000-0x0000000077193000-memory.dmp

memory/4456-138-0x0000000000400000-0x0000000000886000-memory.dmp

memory/4456-139-0x0000000076FF0000-0x0000000077193000-memory.dmp

memory/4200-140-0x0000000076FF0000-0x0000000077193000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-10 13:02

Reported

2022-11-10 13:04

Platform

win7-20220901-en

Max time kernel

68s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe"

Signatures

SystemBC

trojan systembc

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\dd3a5df905b4aca6028903b83919514a.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.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\dd3a5df905b4aca6028903b83919514a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\wow64.job C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
File opened for modification C:\Windows\Tasks\wow64.job C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe

"C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {6BA5B8A4-ED58-4357-8B18-308408FF3003} S-1-5-18:NT AUTHORITY\System:Service:

C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe

C:\Users\Admin\AppData\Local\Temp\dd3a5df905b4aca6028903b83919514a.exe start

Network

Country Destination Domain Proto
US 8.8.8.8:53 slavelever.info udp
NL 46.30.41.57:4248 slavelever.info tcp

Files

memory/1048-54-0x0000000000400000-0x0000000000886000-memory.dmp

memory/1048-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

memory/1048-56-0x0000000077840000-0x00000000779C0000-memory.dmp

memory/1048-57-0x0000000000400000-0x0000000000886000-memory.dmp

memory/888-58-0x0000000000000000-mapping.dmp

memory/888-59-0x0000000000400000-0x0000000000886000-memory.dmp

memory/888-61-0x0000000077840000-0x00000000779C0000-memory.dmp

memory/888-62-0x0000000000400000-0x0000000000886000-memory.dmp

memory/1048-63-0x0000000077840000-0x00000000779C0000-memory.dmp

memory/888-64-0x0000000077840000-0x00000000779C0000-memory.dmp

memory/1048-65-0x0000000077840000-0x00000000779C0000-memory.dmp