General

  • Target

    7c69230ef43053e5de450fb05244a9a7ad3fde16a5f01b8417d0f90e38b01d42

  • Size

    950KB

  • Sample

    240701-fqr3xsxbkc

  • MD5

    ab486975ab0187d88e26bfd78514444d

  • SHA1

    e247d65e453d8dd8f5b8fe0ced0e28eeba21acf0

  • SHA256

    7c69230ef43053e5de450fb05244a9a7ad3fde16a5f01b8417d0f90e38b01d42

  • SHA512

    0f933541ec8a93abc5b0a02915e5993bdfdc4f96cc17db27cf997fcee4067c9a4f034386551c34240390166f4dd95382bf035f86a5f559437b60bfdee7e101d4

  • SSDEEP

    24576:AUQabTDYZ/hqybwl9Ps2GxfL963vsW7PvB2MXI/7AnK:BLbxlzGxfJEvjTJPYv

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

      7c69230ef43053e5de450fb05244a9a7ad3fde16a5f01b8417d0f90e38b01d42

    • Size

      950KB

    • MD5

      ab486975ab0187d88e26bfd78514444d

    • SHA1

      e247d65e453d8dd8f5b8fe0ced0e28eeba21acf0

    • SHA256

      7c69230ef43053e5de450fb05244a9a7ad3fde16a5f01b8417d0f90e38b01d42

    • SHA512

      0f933541ec8a93abc5b0a02915e5993bdfdc4f96cc17db27cf997fcee4067c9a4f034386551c34240390166f4dd95382bf035f86a5f559437b60bfdee7e101d4

    • SSDEEP

      24576:AUQabTDYZ/hqybwl9Ps2GxfL963vsW7PvB2MXI/7AnK:BLbxlzGxfJEvjTJPYv

    • 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

    • 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.

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

2
T1012

System Information Discovery

2
T1082

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Tasks