General

  • Target

    https://download2346.mediafire.com/7y0s9a4nygpg9Hlz64qwpKgpVQD43YfY3SkmgpFTrLOc8YXsvhK9TUfyMneb1cj_CYasLOLoo0COneZnz4cps5AenPk8SUZo-o08fJfaTgHS-krPRg_9KDVnRaGnYpYXWYcDImZTv0r1CmhcbWj4q_uhQTUbZN_xJEach-Ac6iux8A/stl2fcuf5yxabl8/I%D0%B0uncher_v9.1.rar

  • Sample

    250420-xn1eys11dt

Malware Config

Extracted

Family

vidar

Version

13.5

Botnet

fe765de57643ac9d227ea7737a97bb87

C2

https://t.me/v00rd

https://steamcommunity.com/profiles/76561199846773220

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Targets

    • Target

      https://download2346.mediafire.com/7y0s9a4nygpg9Hlz64qwpKgpVQD43YfY3SkmgpFTrLOc8YXsvhK9TUfyMneb1cj_CYasLOLoo0COneZnz4cps5AenPk8SUZo-o08fJfaTgHS-krPRg_9KDVnRaGnYpYXWYcDImZTv0r1CmhcbWj4q_uhQTUbZN_xJEach-Ac6iux8A/stl2fcuf5yxabl8/I%D0%B0uncher_v9.1.rar

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks