General

  • Target

    06bc44cb1405fab902f43279466dbffe9eb81811275c8d2ef3f63c040af3023b

  • Size

    1.7MB

  • Sample

    240704-r1nc9szfkb

  • MD5

    14bd485b67de25b88de07f322aa5869a

  • SHA1

    ae9e3f238f6cb865ef8f2e1002cf6e7972e49395

  • SHA256

    06bc44cb1405fab902f43279466dbffe9eb81811275c8d2ef3f63c040af3023b

  • SHA512

    1687b6a0ffdb77ea8ee3a291d56d911744dc236f50711258c52a69961fecbf87b91d5f9102d25fe6ad4b0c0b23e4e4718845e847d8720fb1e06a83313ab081c5

  • SSDEEP

    24576:UBqWKKYMPEVxYzMPkYHXANYksiZArxliP4OTomFu5Xxth9:UyM8Vx8W5aYRi2lpYu5XxZ

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Targets

    • Target

      06bc44cb1405fab902f43279466dbffe9eb81811275c8d2ef3f63c040af3023b

    • Size

      1.7MB

    • MD5

      14bd485b67de25b88de07f322aa5869a

    • SHA1

      ae9e3f238f6cb865ef8f2e1002cf6e7972e49395

    • SHA256

      06bc44cb1405fab902f43279466dbffe9eb81811275c8d2ef3f63c040af3023b

    • SHA512

      1687b6a0ffdb77ea8ee3a291d56d911744dc236f50711258c52a69961fecbf87b91d5f9102d25fe6ad4b0c0b23e4e4718845e847d8720fb1e06a83313ab081c5

    • SSDEEP

      24576:UBqWKKYMPEVxYzMPkYHXANYksiZArxliP4OTomFu5Xxth9:UyM8Vx8W5aYRi2lpYu5XxZ

    • 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