Malware Analysis Report

2025-04-03 09:39

Sample ID 230507-a6x18aea84
Target 322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813
SHA256 322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813
Tags
systembc evasion persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813

Threat Level: Known bad

The file 322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813 was found to be: Known bad.

Malicious Activity Summary

systembc evasion persistence trojan

SystemBC

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

Checks BIOS information in registry

Identifies Wine through registry keys

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-07 00:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-07 00:50

Reported

2023-05-07 05:05

Platform

win7-20230220-en

Max time kernel

143s

Max time network

166s

Command Line

"C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.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\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.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\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe'\"" C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe

"C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe"

Network

Country Destination Domain Proto
N/A 185.161.248.16:4440 tcp

Files

memory/1132-54-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-56-0x0000000004320000-0x0000000004321000-memory.dmp

memory/1132-58-0x0000000004310000-0x0000000004311000-memory.dmp

memory/1132-57-0x0000000004330000-0x0000000004331000-memory.dmp

memory/1132-55-0x0000000004340000-0x0000000004341000-memory.dmp

memory/1132-59-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-60-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-61-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-62-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-63-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-64-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-65-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-66-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-67-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-68-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-69-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-70-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-71-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-72-0x0000000000400000-0x000000000083B000-memory.dmp

memory/1132-73-0x0000000000400000-0x000000000083B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-07 00:50

Reported

2023-05-07 05:05

Platform

win10v2004-20230220-en

Max time kernel

193s

Max time network

197s

Command Line

"C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.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\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.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\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe'\"" C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe

"C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe"

Network

Country Destination Domain Proto
US 20.42.65.88:443 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 4.b.1.9.1.6.7.1.0.0.0.0.0.0.0.0.1.0.0.9.0.0.1.f.1.1.1.0.1.0.a.2.ip6.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
N/A 185.161.248.16:4440 tcp
US 8.8.8.8:53 16.248.161.185.in-addr.arpa udp

Files

memory/4848-133-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-135-0x00000000048F0000-0x00000000048F1000-memory.dmp

memory/4848-134-0x0000000004900000-0x0000000004901000-memory.dmp

memory/4848-136-0x00000000048E0000-0x00000000048E1000-memory.dmp

memory/4848-137-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-138-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-139-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-140-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-141-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-142-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-143-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-144-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-145-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-146-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-147-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-148-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-149-0x0000000004910000-0x0000000004911000-memory.dmp

memory/4848-150-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4848-151-0x0000000000400000-0x000000000083B000-memory.dmp