General

  • Target

    3fbe62b859b0b1f557e8f6325d33e3d05328159438a95ba56d4405079c3795d4

  • Size

    2.2MB

  • Sample

    240630-c2n9mawdkq

  • MD5

    53676164b56f81e996c123e36c1599ce

  • SHA1

    26c73d755e84564bd132887a4450fe67c7e7ac97

  • SHA256

    3fbe62b859b0b1f557e8f6325d33e3d05328159438a95ba56d4405079c3795d4

  • SHA512

    b6c900d068af3acddd8f27ce98b1a1747ae247d92af8fbf6d06cc8b8b5aea5e1e6bf2aafd802c648a1244331f8fecdfa262958b8e17c73f64f45f2ffb511fcf0

  • SSDEEP

    49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A

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

      3fbe62b859b0b1f557e8f6325d33e3d05328159438a95ba56d4405079c3795d4

    • Size

      2.2MB

    • MD5

      53676164b56f81e996c123e36c1599ce

    • SHA1

      26c73d755e84564bd132887a4450fe67c7e7ac97

    • SHA256

      3fbe62b859b0b1f557e8f6325d33e3d05328159438a95ba56d4405079c3795d4

    • SHA512

      b6c900d068af3acddd8f27ce98b1a1747ae247d92af8fbf6d06cc8b8b5aea5e1e6bf2aafd802c648a1244331f8fecdfa262958b8e17c73f64f45f2ffb511fcf0

    • SSDEEP

      49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A

    • 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