General

  • Target

    Setup.zip

  • Size

    19.7MB

  • Sample

    240629-r8gwfszcqe

  • MD5

    9442d0a41c7eec5173005fb3ff4a05b1

  • SHA1

    1df3afad7bb136b25fb48b81444a4cdc4286fb0a

  • SHA256

    8df3f05169cdcfb2d8ae0f4f2a838d1a7a35ffd5ba4b0cfb6a45fd4073f3d4ef

  • SHA512

    29933f5e9d4a6521bd2d1697e7bb28e9c15314de1e548eab2682b7b0b10ffe34f4748d0fafed45b7ab68e8483d6af01c24f20d76a817a039e645c56af106917c

  • SSDEEP

    393216:XbG1rqNScNjbr20MdFAX2myE0Sd91fSOZZIkNqwb9yBYuMRao/JtQy:uh8eTFAWm/ZIU3yB6fsy

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      Setup.exe

    • Size

      679.4MB

    • MD5

      c735fbf87d5b6f5a1c30c721ef3ccb9c

    • SHA1

      1e4c8976b7aeeb871047f5f170fff3e6ea3ec56e

    • SHA256

      53e9b8cedc7e11165cbc449d328a8445829df227c1737ce50b4925e8f41f96ee

    • SHA512

      90b21482fb114bc712103cf8a754c2551f98b713e6c8a583bc1be68184935acadff38b303b8e6152155e74232fa6f934f0192f3b898beadc8a1044df5290a767

    • SSDEEP

      393216:9g/gZJV++W44JTXEi26SA3lh+4J7osSDLbQ:q/aF4Zg6hH70PbQ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks