General

  • Target

    612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b

  • Size

    2.2MB

  • Sample

    240630-bxna4a1hkc

  • MD5

    97087262a5c57f66101bec1f842d56cc

  • SHA1

    e082579bd1ab5dfcb08c28d1f6e7daff22e12be9

  • SHA256

    612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b

  • SHA512

    09dc62826149eb204153b7cc7469ca8022176eb8c2bcb833b8c1179204ee9cf2aa2be1e2ae93cefbfecc01b4971712661f38765617fd5cb87efddbec9470ec21

  • 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

      612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b

    • Size

      2.2MB

    • MD5

      97087262a5c57f66101bec1f842d56cc

    • SHA1

      e082579bd1ab5dfcb08c28d1f6e7daff22e12be9

    • SHA256

      612ad86b72959cfb8366005245b59a8fce432e7b3dfc42ab36049851aeec423b

    • SHA512

      09dc62826149eb204153b7cc7469ca8022176eb8c2bcb833b8c1179204ee9cf2aa2be1e2ae93cefbfecc01b4971712661f38765617fd5cb87efddbec9470ec21

    • 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