Malware Analysis Report

2025-04-03 09:39

Sample ID 230506-z3m5aafb42
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: 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

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

2023-05-06 21:14

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-06 21:14

Reported

2023-05-06 22:17

Platform

win10v2004-20230220-en

Max time kernel

143s

Max time network

159s

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-1-5-21-2275444769-3691835758-4097679484-1000\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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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
NL 20.50.201.195:443 tcp
US 8.8.8.8:53 254.23.238.8.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
US 40.125.122.151:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 36.146.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 133.211.185.52.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/4372-133-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-135-0x00000000048E0000-0x00000000048E1000-memory.dmp

memory/4372-134-0x0000000004900000-0x0000000004901000-memory.dmp

memory/4372-136-0x00000000048F0000-0x00000000048F1000-memory.dmp

memory/4372-137-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-140-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-141-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-142-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-143-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-144-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-145-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-146-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-147-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-148-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-149-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4372-150-0x0000000000400000-0x000000000083B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-06 21:14

Reported

2023-05-06 22:20

Platform

win7-20230220-en

Max time kernel

275s

Max time network

348s

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-1-5-21-1283023626-844874658-3193756055-1000\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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\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/432-54-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-57-0x0000000004370000-0x0000000004371000-memory.dmp

memory/432-56-0x0000000004360000-0x0000000004361000-memory.dmp

memory/432-58-0x0000000004350000-0x0000000004351000-memory.dmp

memory/432-55-0x0000000004380000-0x0000000004381000-memory.dmp

memory/432-59-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-60-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-61-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-62-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-63-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-64-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-65-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-66-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-67-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-68-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-69-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-70-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-71-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-72-0x0000000000400000-0x000000000083B000-memory.dmp

memory/432-73-0x0000000000400000-0x000000000083B000-memory.dmp