General

  • Target

    Setup.exe

  • Size

    955KB

  • Sample

    240927-tg7c5sshje

  • MD5

    6f2164b49449467c08ddc249a96d9978

  • SHA1

    e41d5636ea631018d7ea7435ad9bd13bd18870b2

  • SHA256

    a4125660bc7eacca3f52f76caef4dd28ff5e08b41a28d853b8cac67ef6f723c3

  • SHA512

    2e5d6fbcf3b6f20ae9056247f6b81467672d32c9b74dd90ae19d22e2a72296b6fdbf818fca4b32b3ee147718d9e74d562c776443cdc10b245da0c41aebf79c62

  • SSDEEP

    24576:bfLaiJss+vwyIKjDA/+AtawB/BK+8J0Sm95/Q25/5YMUXDAr:DlJafj2taapK3y5o2dClq

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      Setup.exe

    • Size

      955KB

    • MD5

      6f2164b49449467c08ddc249a96d9978

    • SHA1

      e41d5636ea631018d7ea7435ad9bd13bd18870b2

    • SHA256

      a4125660bc7eacca3f52f76caef4dd28ff5e08b41a28d853b8cac67ef6f723c3

    • SHA512

      2e5d6fbcf3b6f20ae9056247f6b81467672d32c9b74dd90ae19d22e2a72296b6fdbf818fca4b32b3ee147718d9e74d562c776443cdc10b245da0c41aebf79c62

    • SSDEEP

      24576:bfLaiJss+vwyIKjDA/+AtawB/BK+8J0Sm95/Q25/5YMUXDAr:DlJafj2taapK3y5o2dClq

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Checks installed software on the system

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

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks