General

  • Target

    a1803569cf850c3430891c8d81c75902f0668e19c106bb162f6ee4034b744228

  • Size

    2.2MB

  • Sample

    240630-bqrpyavdrq

  • MD5

    01112c1fecb921489de43fa78b8eba3f

  • SHA1

    0b001a496c6ecc6d0eed0f40ff3634f7cef3b0e2

  • SHA256

    a1803569cf850c3430891c8d81c75902f0668e19c106bb162f6ee4034b744228

  • SHA512

    2b28c1c925e8c3d410f7c3f7b25b1ca8c4a1eca3f6811c3cfb36921eee4d26dae1ffbebe985547a6a22aa02a95cb0550df7d976ef47ad0d3e93b2d10c3a29b15

  • SSDEEP

    49152:qpjNvr9ySAOmw4JHHO+SASagXkJr4MDkUwm:qpjNp7p4JHH8n5A

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

      a1803569cf850c3430891c8d81c75902f0668e19c106bb162f6ee4034b744228

    • Size

      2.2MB

    • MD5

      01112c1fecb921489de43fa78b8eba3f

    • SHA1

      0b001a496c6ecc6d0eed0f40ff3634f7cef3b0e2

    • SHA256

      a1803569cf850c3430891c8d81c75902f0668e19c106bb162f6ee4034b744228

    • SHA512

      2b28c1c925e8c3d410f7c3f7b25b1ca8c4a1eca3f6811c3cfb36921eee4d26dae1ffbebe985547a6a22aa02a95cb0550df7d976ef47ad0d3e93b2d10c3a29b15

    • SSDEEP

      49152:qpjNvr9ySAOmw4JHHO+SASagXkJr4MDkUwm:qpjNp7p4JHH8n5A

    • 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