General

  • Target

    6cb09916c5a8464778c43a5372fe483b53e9c53f0867ec252667f109a58020d3

  • Size

    2.2MB

  • Sample

    240629-rr5k7asdmj

  • MD5

    b3cc7a18b297581b1be5af68698f98c8

  • SHA1

    8882af8407761782d09c6224defb5d335c3770ac

  • SHA256

    6cb09916c5a8464778c43a5372fe483b53e9c53f0867ec252667f109a58020d3

  • SHA512

    a84316d63c5887a85a28c273d25f3ae95a4c06a66883c70fa2fd9b33cecca3b039e7f56c9371308aa16c85313017038f0e23daa55fee04ebb0cd86bc1bbd29b3

  • SSDEEP

    49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

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

      6cb09916c5a8464778c43a5372fe483b53e9c53f0867ec252667f109a58020d3

    • Size

      2.2MB

    • MD5

      b3cc7a18b297581b1be5af68698f98c8

    • SHA1

      8882af8407761782d09c6224defb5d335c3770ac

    • SHA256

      6cb09916c5a8464778c43a5372fe483b53e9c53f0867ec252667f109a58020d3

    • SHA512

      a84316d63c5887a85a28c273d25f3ae95a4c06a66883c70fa2fd9b33cecca3b039e7f56c9371308aa16c85313017038f0e23daa55fee04ebb0cd86bc1bbd29b3

    • SSDEEP

      49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks