General

  • Target

    363df17262b813a9f9789e0ef9484f12de6e40a64a3fb23ba50bf9df9a623741

  • Size

    2.2MB

  • Sample

    240701-mk8xtazcqk

  • MD5

    d209c3e8e02f330bb0e74a353c8a09c3

  • SHA1

    208a1d647a1f86c727a2303490e9b559b4bfa592

  • SHA256

    363df17262b813a9f9789e0ef9484f12de6e40a64a3fb23ba50bf9df9a623741

  • SHA512

    40ff4d43b6bda87b84a73c74fce4361537c0e048e4b42994d617c6c0f0f724b6730bf183a685c8aa0a0f332c1dc02846ea3ad10ac22b9e5e5d135362d5e152e9

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXXsU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPT21tuuIeNHYGY0LzjsJxK

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

      363df17262b813a9f9789e0ef9484f12de6e40a64a3fb23ba50bf9df9a623741

    • Size

      2.2MB

    • MD5

      d209c3e8e02f330bb0e74a353c8a09c3

    • SHA1

      208a1d647a1f86c727a2303490e9b559b4bfa592

    • SHA256

      363df17262b813a9f9789e0ef9484f12de6e40a64a3fb23ba50bf9df9a623741

    • SHA512

      40ff4d43b6bda87b84a73c74fce4361537c0e048e4b42994d617c6c0f0f724b6730bf183a685c8aa0a0f332c1dc02846ea3ad10ac22b9e5e5d135362d5e152e9

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXXsU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPT21tuuIeNHYGY0LzjsJxK

    • 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