Malware Analysis Report

2025-05-28 17:37

Sample ID 250516-3adxpatmw6
Target Sigmanly_2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d
SHA256 2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d
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

2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d

Threat Level: Known bad

The file Sigmanly_2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Systembc family

Blocklisted process makes network request

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-05-16 23:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-16 23:18

Reported

2025-05-16 23:20

Platform

win10v2004-20250502-en

Max time kernel

106s

Max time network

134s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Sigmanly_2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d.dll,#1

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Sigmanly_2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
GB 23.73.138.131:443 www.bing.com tcp
RU 5.42.65.67:4298 tcp
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 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp

Files

memory/3424-0-0x00007FFA34CE0000-0x00007FFA3526F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-05-16 23:18

Reported

2025-05-16 23:20

Platform

win11-20250508-en

Max time kernel

99s

Max time network

102s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Sigmanly_2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d.dll,#1

Signatures

SystemBC

trojan systembc

Systembc family

systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Sigmanly_2369bd280fe47d796e83ec2ff2fe6ca1503fb0bb5dc11c87aada9b182044c52d.dll,#1

Network

Country Destination Domain Proto
RU 5.42.65.67:4298 tcp

Files

memory/3408-0-0x00007FFC3E3C0000-0x00007FFC3E94F000-memory.dmp