General

  • Target

    281920b475bcaa79c3900b84ee213bc5e2a7d4c4ffe2c4631abf694322f413c0

  • Size

    2.2MB

  • Sample

    240630-vptyfsvbjp

  • MD5

    03f761eb97b9cc2ba6c40ecd6c486fdc

  • SHA1

    4bbac3b9d44aa7ab78493fb16d5efe0f00da2440

  • SHA256

    281920b475bcaa79c3900b84ee213bc5e2a7d4c4ffe2c4631abf694322f413c0

  • SHA512

    d6171574c57d0a32cf1cf57303f84c4cb81fbaeb5c8ecea8946d3842add32eb4b284b45bda537ed37ddf4cb2c73cd970b39235c1c0a3ecadae7f73a6ad895af2

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXLgU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPz21tuuIeNHYGY0LzjsJxK

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

      281920b475bcaa79c3900b84ee213bc5e2a7d4c4ffe2c4631abf694322f413c0

    • Size

      2.2MB

    • MD5

      03f761eb97b9cc2ba6c40ecd6c486fdc

    • SHA1

      4bbac3b9d44aa7ab78493fb16d5efe0f00da2440

    • SHA256

      281920b475bcaa79c3900b84ee213bc5e2a7d4c4ffe2c4631abf694322f413c0

    • SHA512

      d6171574c57d0a32cf1cf57303f84c4cb81fbaeb5c8ecea8946d3842add32eb4b284b45bda537ed37ddf4cb2c73cd970b39235c1c0a3ecadae7f73a6ad895af2

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXLgU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPz21tuuIeNHYGY0LzjsJxK

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks