Malware Analysis Report

2025-05-05 23:59

Sample ID 230208-x3nppsea81
Target 1716-56-0x0000000010000000-0x000000001013B000-memory.dmp
SHA256 d8eea48101d16675eab4b0263d801425405565d80057839513e00d1717c6dc7a
Tags
systembc trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d8eea48101d16675eab4b0263d801425405565d80057839513e00d1717c6dc7a

Threat Level: Known bad

The file 1716-56-0x0000000010000000-0x000000001013B000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

systembc trojan

Systembc family

SystemBC

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-08 19:22

Signatures

Systembc family

systembc

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-08 19:22

Reported

2023-02-08 19:25

Platform

win7-20220812-en

Max time kernel

45s

Max time network

48s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716-56-0x0000000010000000-0x000000001013B000-memory.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716-56-0x0000000010000000-0x000000001013B000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716-56-0x0000000010000000-0x000000001013B000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 196

Network

N/A

Files

memory/912-54-0x0000000000000000-mapping.dmp

memory/912-55-0x0000000076091000-0x0000000076093000-memory.dmp

memory/1648-56-0x0000000000000000-mapping.dmp

memory/912-57-0x0000000010000000-0x000000001013B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-08 19:22

Reported

2023-02-08 19:25

Platform

win10v2004-20220812-en

Max time kernel

144s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716-56-0x0000000010000000-0x000000001013B000-memory.dll,#1

Signatures

SystemBC

trojan systembc

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1488 wrote to memory of 1904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1488 wrote to memory of 1904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1488 wrote to memory of 1904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716-56-0x0000000010000000-0x000000001013B000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716-56-0x0000000010000000-0x000000001013B000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1904 -ip 1904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 560

Network

Country Destination Domain Proto
AU 104.46.162.226:443 tcp
US 67.24.171.254:80 tcp
US 67.24.171.254:80 tcp
US 67.24.171.254:80 tcp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 67.24.171.254:80 tcp
US 8.8.8.8:53 7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa udp

Files

memory/1904-132-0x0000000000000000-mapping.dmp

memory/1904-133-0x0000000010000000-0x000000001013B000-memory.dmp