Malware Analysis Report

2025-04-03 09:38

Sample ID 230505-krtqcshb32
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 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

2023-05-05 08:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-05 08:50

Reported

2023-05-05 08:53

Platform

win10v2004-20230220-en

Max time kernel

145s

Max time network

150s

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-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
N/A 185.161.248.16:4440 tcp
US 8.8.8.8:53 16.248.161.185.in-addr.arpa udp
US 52.152.110.14:443 tcp

Files

memory/4424-133-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-134-0x0000000004910000-0x0000000004911000-memory.dmp

memory/4424-135-0x0000000004900000-0x0000000004901000-memory.dmp

memory/4424-136-0x00000000048F0000-0x00000000048F1000-memory.dmp

memory/4424-137-0x00000000048E0000-0x00000000048E1000-memory.dmp

memory/4424-138-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-139-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-140-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-141-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-142-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-143-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-144-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-145-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-146-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-147-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-148-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-149-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-150-0x0000000000400000-0x000000000083B000-memory.dmp

memory/4424-151-0x0000000000400000-0x000000000083B000-memory.dmp