General

  • Target

    19caf0c6cb3ed75abff85a26dc2c4f2ab685544642bc4bba436b36e3878db89e

  • Size

    2.2MB

  • Sample

    240630-1kln6swflc

  • MD5

    779260700d99230fb8759335cde0dc92

  • SHA1

    e0a347b0ef9ee345b3f11a1ceef8434a258d9d4f

  • SHA256

    19caf0c6cb3ed75abff85a26dc2c4f2ab685544642bc4bba436b36e3878db89e

  • SHA512

    c1488094f891b987391b103e186fc1f7624b6bfb43c4c14a56f721aebca452ae5f195b6da0b7708d8b84e4fa703963858b3a2bad43c6979fe20b7958b7ec4b84

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXbiU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP121tuuIeNHYGY0LzjsJxK

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

      19caf0c6cb3ed75abff85a26dc2c4f2ab685544642bc4bba436b36e3878db89e

    • Size

      2.2MB

    • MD5

      779260700d99230fb8759335cde0dc92

    • SHA1

      e0a347b0ef9ee345b3f11a1ceef8434a258d9d4f

    • SHA256

      19caf0c6cb3ed75abff85a26dc2c4f2ab685544642bc4bba436b36e3878db89e

    • SHA512

      c1488094f891b987391b103e186fc1f7624b6bfb43c4c14a56f721aebca452ae5f195b6da0b7708d8b84e4fa703963858b3a2bad43c6979fe20b7958b7ec4b84

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXbiU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP121tuuIeNHYGY0LzjsJxK

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks