General

  • Target

    24f0a62ddd36f2a4d860c60c7f5482953cb20e205a4c8be14b7ce355fa946045

  • Size

    2.2MB

  • Sample

    240629-2xgfnasbpm

  • MD5

    f74f76d3622a9620f5d3fe864734d9aa

  • SHA1

    2cc92fab0adb06a3972dae599a12fcfcc5d7aa44

  • SHA256

    24f0a62ddd36f2a4d860c60c7f5482953cb20e205a4c8be14b7ce355fa946045

  • SHA512

    3755559937ffe0ed4fec62b05c499f9b2585380b359284d6f3beb5d495c076f5c82a7c0378260117d2edd7ce072aa1554dc90061d71b9b47361aca2f71aec9a2

  • SSDEEP

    49152:qpjNvr9ySAOmw41HHO+SASagXkJr4MDkUwm:qpjNp7p41HH8n5A

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

      24f0a62ddd36f2a4d860c60c7f5482953cb20e205a4c8be14b7ce355fa946045

    • Size

      2.2MB

    • MD5

      f74f76d3622a9620f5d3fe864734d9aa

    • SHA1

      2cc92fab0adb06a3972dae599a12fcfcc5d7aa44

    • SHA256

      24f0a62ddd36f2a4d860c60c7f5482953cb20e205a4c8be14b7ce355fa946045

    • SHA512

      3755559937ffe0ed4fec62b05c499f9b2585380b359284d6f3beb5d495c076f5c82a7c0378260117d2edd7ce072aa1554dc90061d71b9b47361aca2f71aec9a2

    • SSDEEP

      49152:qpjNvr9ySAOmw41HHO+SASagXkJr4MDkUwm:qpjNp7p41HH8n5A

    • 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

    • Loads dropped DLL

    • 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

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

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