Malware Analysis Report

2025-04-03 09:26

Sample ID 250304-yd3b8syqz9
Target DTSS2SpeakerDLL.dll
SHA256 ec6ccf63abeb8c03f55fc67ef1d4d8674d2efc7055041ffd4968391291634f52
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 Overview

score
10/10

SHA256

ec6ccf63abeb8c03f55fc67ef1d4d8674d2efc7055041ffd4968391291634f52

Threat Level: Known bad

The file DTSS2SpeakerDLL.dll was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Systembc family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-03-04 19:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-04 19:41

Reported

2025-03-04 19:56

Platform

win10v2004-20250217-en

Max time kernel

380s

Max time network

432s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DTSS2SpeakerDLL.dll,#1

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DTSS2SpeakerDLL.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 20.189.173.24:443 tcp

Files

memory/856-0-0x0000000180000000-0x0000000181CA2000-memory.dmp

memory/856-4-0x000002A600000000-0x000002A601CA1000-memory.dmp