General

  • Target

    c8a3eefc2e013420885eb559c909f42b.exe

  • Size

    323KB

  • Sample

    230418-gmf2xsbe9v

  • MD5

    c8a3eefc2e013420885eb559c909f42b

  • SHA1

    ddcd6b466b2e6f6ab6fe85c81f8cd9589c567525

  • SHA256

    2f14512e1f5a853252238c152e22e33bc1e14a37e27f015813d3661175294b32

  • SHA512

    4d3af9b6c28413ab595fe0c6720074f9254026db8e905b01f98642a7d11f6ec7c17839cd896ed692813d39ec59553db66bc9afbf2e607d5b15f8a8c1b1e661df

  • SSDEEP

    6144:gdi7hNC/jCHc6zE9+QvfSHbPhWKIB7iM8:H7hNV3zE9DSHbhpQ7

Malware Config

Extracted

Family

vidar

Version

3.4

Botnet

e749025c61b2caca10aa829a9e1a65a1

C2

https://steamcommunity.com/profiles/76561199494593681

https://t.me/auftriebs

Attributes
  • profile_id_v2

    e749025c61b2caca10aa829a9e1a65a1

  • user_agent

    Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

Targets

    • Target

      c8a3eefc2e013420885eb559c909f42b.exe

    • Size

      323KB

    • MD5

      c8a3eefc2e013420885eb559c909f42b

    • SHA1

      ddcd6b466b2e6f6ab6fe85c81f8cd9589c567525

    • SHA256

      2f14512e1f5a853252238c152e22e33bc1e14a37e27f015813d3661175294b32

    • SHA512

      4d3af9b6c28413ab595fe0c6720074f9254026db8e905b01f98642a7d11f6ec7c17839cd896ed692813d39ec59553db66bc9afbf2e607d5b15f8a8c1b1e661df

    • SSDEEP

      6144:gdi7hNC/jCHc6zE9+QvfSHbPhWKIB7iM8:H7hNV3zE9DSHbhpQ7

    • 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 user/profile data of web browsers

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

    • UPX packed file

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

    • Accesses 2FA software files, possible credential harvesting

    • 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.

MITRE ATT&CK Enterprise v6

Tasks