General

  • Target

    http://fhygpvrzphatrfdstpoutrih.kesug.com

  • Sample

    240420-zsn9laad2s

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1231331932353204224/bYrqqXgVW8LoabnoHhXpd-s1IQcjPoonLPTP1Jx6RIdpL8v0-IZ4Z0p0muH3fwI-fXsi

Targets

    • Target

      http://fhygpvrzphatrfdstpoutrih.kesug.com

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks