Malware Analysis Report

2025-04-03 09:23

Sample ID 250304-ybw3fayths
Target DTSS2SpeakerDLL.dll
SHA256 a8659f60b63b4ef781439de7676fded950a238ebd926997c70174e5d7ef43529
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

a8659f60b63b4ef781439de7676fded950a238ebd926997c70174e5d7ef43529

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 19:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-04 19:37

Reported

2025-03-04 19:52

Platform

win10v2004-20250217-en

Max time kernel

422s

Max time network

442s

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

Files

memory/4552-0-0x0000000180000000-0x0000000181CA2000-memory.dmp

memory/4552-4-0x0000021045690000-0x0000021047331000-memory.dmp