General

  • Target

    c478a0e1136d48725a915c4f98c65443354420fdc4fb46105efcccec41b787a8

  • Size

    2.2MB

  • Sample

    240630-wkvvmavekm

  • MD5

    dae495a3dc00e82ce23e77b8ff0cb9eb

  • SHA1

    5af5176749399638234f18b7a8008a993babdb33

  • SHA256

    c478a0e1136d48725a915c4f98c65443354420fdc4fb46105efcccec41b787a8

  • SHA512

    ed8ee066f50d41e64d040df78c53784bcdba53b4034078f056c6ffca4773d8c034fa218fde1587b3b919a2e6ce107b437d2b7c3c42b71cca2bad92dc68401bf1

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX3PU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPs21tuuIeNHYGY0LzjsJxK

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

      c478a0e1136d48725a915c4f98c65443354420fdc4fb46105efcccec41b787a8

    • Size

      2.2MB

    • MD5

      dae495a3dc00e82ce23e77b8ff0cb9eb

    • SHA1

      5af5176749399638234f18b7a8008a993babdb33

    • SHA256

      c478a0e1136d48725a915c4f98c65443354420fdc4fb46105efcccec41b787a8

    • SHA512

      ed8ee066f50d41e64d040df78c53784bcdba53b4034078f056c6ffca4773d8c034fa218fde1587b3b919a2e6ce107b437d2b7c3c42b71cca2bad92dc68401bf1

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX3PU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPs21tuuIeNHYGY0LzjsJxK

    • 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