General

  • Target

    ca8d4912e0197a0b04f3c9f00f55100d22099833ad3344b45dbb92b691fa2acc

  • Size

    2.2MB

  • Sample

    240629-1h1qbazglp

  • MD5

    e1b50345a6b8c57889249afa42fcd976

  • SHA1

    428a086742b45ff06b5728ef6084eed94db07304

  • SHA256

    ca8d4912e0197a0b04f3c9f00f55100d22099833ad3344b45dbb92b691fa2acc

  • SHA512

    e5aebfc5691031af798a735b44572f484a68be8a34059dd6d9d270462b5e7c012d4cc7286bf4ce1a1caacbe33b3a440c10e2a37216461f7c3eb082f3a60827ed

  • SSDEEP

    49152:qpjNvr9ySAOmw45HHO+SASagXkJr4MDkUwm:qpjNp7p45HH8n5A

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

      ca8d4912e0197a0b04f3c9f00f55100d22099833ad3344b45dbb92b691fa2acc

    • Size

      2.2MB

    • MD5

      e1b50345a6b8c57889249afa42fcd976

    • SHA1

      428a086742b45ff06b5728ef6084eed94db07304

    • SHA256

      ca8d4912e0197a0b04f3c9f00f55100d22099833ad3344b45dbb92b691fa2acc

    • SHA512

      e5aebfc5691031af798a735b44572f484a68be8a34059dd6d9d270462b5e7c012d4cc7286bf4ce1a1caacbe33b3a440c10e2a37216461f7c3eb082f3a60827ed

    • SSDEEP

      49152:qpjNvr9ySAOmw45HHO+SASagXkJr4MDkUwm:qpjNp7p45HH8n5A

    • 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

    • 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