Malware Analysis Report

2025-04-03 09:26

Sample ID 250305-p49pkaywhy
Target feedlablest.exe
SHA256 936004bbb9d3c4763c0e36cc887b21315ae6c2d55c366cb3b3390d480b827107
Tags
systembc defense_evasion discovery 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 Overview

score
10/10

SHA256

936004bbb9d3c4763c0e36cc887b21315ae6c2d55c366cb3b3390d480b827107

Threat Level: Known bad

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

Malicious Activity Summary

systembc defense_evasion discovery trojan

Systembc family

SystemBC

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

Identifies Wine through registry keys

Checks BIOS information in registry

Executes dropped EXE

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-05 12:54

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-05 12:54

Reported

2025-03-05 12:56

Platform

win10ltsc2021-20250217-en

Max time kernel

145s

Max time network

148s

Command Line

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

Signatures

SystemBC

trojan systembc

Systembc family

systembc

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

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\feedlablest.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\ProgramData\cnbpdag\cglsch.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\feedlablest.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\feedlablest.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\ProgramData\cnbpdag\cglsch.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\ProgramData\cnbpdag\cglsch.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\cnbpdag\cglsch.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-983685854-559653692-675906587-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\feedlablest.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-983685854-559653692-675906587-1000\Software\Wine C:\ProgramData\cnbpdag\cglsch.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feedlablest.exe N/A
N/A N/A C:\ProgramData\cnbpdag\cglsch.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\Test Task17.job C:\Users\Admin\AppData\Local\Temp\feedlablest.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\feedlablest.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\cnbpdag\cglsch.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feedlablest.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\feedlablest.exe N/A
N/A N/A C:\ProgramData\cnbpdag\cglsch.exe N/A
N/A N/A C:\ProgramData\cnbpdag\cglsch.exe N/A

Processes

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

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

C:\ProgramData\cnbpdag\cglsch.exe

"C:\ProgramData\cnbpdag\cglsch.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 towerbingobongoboom.com udp
US 213.209.150.137:4000 towerbingobongoboom.com tcp
US 213.209.150.137:4227 towerbingobongoboom.com tcp

Files

memory/4304-0-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-1-0x00000000772D5000-0x00000000772D7000-memory.dmp

memory/4304-2-0x0000000000401000-0x0000000000403000-memory.dmp

memory/4304-3-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-5-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-6-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-7-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-8-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-9-0x0000000000400000-0x0000000000823000-memory.dmp

C:\ProgramData\cnbpdag\cglsch.exe

MD5 f53198e8b444658cf7134f5ccb466a98
SHA1 0283e56ed7201eecfc7dad30cc6f3f30d677be66
SHA256 936004bbb9d3c4763c0e36cc887b21315ae6c2d55c366cb3b3390d480b827107
SHA512 ee40f63f7b75cc1b55d11c56c25086d2d66ae86a3f65326d5a75cf0f2fac94ebee622cd4844b4f6468b2bfd011ab80558f41e1b62d2a7864b0ce7f61d3bdcf09

memory/888-11-0x0000000000400000-0x0000000000823000-memory.dmp

C:\Windows\Tasks\Test Task17.job

MD5 4ae3af1560c8f18a6e2dbf93020a4177
SHA1 cc7f898eacd103a1b8a4a5e429d1c381b80ea208
SHA256 e78fbe4999d2c246d35dad5e3f2883047e22c41022cb0b660594d7cd0d8265c3
SHA512 89adcaaca14e42acd24909cc93c23fbedad5ce0b621bc0a6b4b0bab49ebcc4655868ae5a238e0fc6806807983a33f7430709726c067dfbdda51dd0995a028921

memory/888-13-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-14-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-15-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-16-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-17-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-18-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-19-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-20-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-21-0x0000000000400000-0x0000000000823000-memory.dmp

memory/4304-23-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-24-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-25-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-26-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-27-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-28-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-29-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-30-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-31-0x0000000000400000-0x0000000000823000-memory.dmp

memory/888-32-0x0000000000400000-0x0000000000823000-memory.dmp