General

  • Target

    https://cdn.discordapp.com/attachments/1246679036214775850/1246843713439928370/Xiern.rar?ex=665ddd32&is=665c8bb2&hm=56466b56cb68af41a8827c77d7c1e188db9840a2a1108ee465ee09284d57b5e6&

  • Sample

    240602-sr9etafe4v

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1246679036214775850/1246843713439928370/Xiern.rar?ex=665ddd32&is=665c8bb2&hm=56466b56cb68af41a8827c77d7c1e188db9840a2a1108ee465ee09284d57b5e6&

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Command and Control

Web Service

1
T1102

Tasks