General

  • Target

    text.txt

  • Size

    32B

  • Sample

    250222-h6jgts1jfw

  • MD5

    a455d48f8584cc5fbe88a099cded5ae4

  • SHA1

    085fc5be40f2edaa6fad96b95b01a6b107745546

  • SHA256

    f77a07b45cd45bfbe85a30f2f30231a1d5d3c2805c865a0d5c7d7e690b7b56c4

  • SHA512

    971a880edbd08c57faa42078097f73867c6cc663bbd3a7c66ba026104cdbe5bd9339596877dbeb277cffca9bac8a52c695f122f4310c4c064b53a65beb41b1c2

Malware Config

Extracted

Family

vidar

C2

https://t.me/g02f04

https://steamcommunity.com/profiles/76561199828130190

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      text.txt

    • Size

      32B

    • MD5

      a455d48f8584cc5fbe88a099cded5ae4

    • SHA1

      085fc5be40f2edaa6fad96b95b01a6b107745546

    • SHA256

      f77a07b45cd45bfbe85a30f2f30231a1d5d3c2805c865a0d5c7d7e690b7b56c4

    • SHA512

      971a880edbd08c57faa42078097f73867c6cc663bbd3a7c66ba026104cdbe5bd9339596877dbeb277cffca9bac8a52c695f122f4310c4c064b53a65beb41b1c2

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • Executes dropped EXE

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks