General

  • Target

    77f4b9465cc351331c1769d13db104d2cce6c4468939e3e7c1246aec591c995a

  • Size

    2.2MB

  • Sample

    240701-hne2pasapk

  • MD5

    3c9e5a89c57f9c580d24b94a9903f20b

  • SHA1

    715b4b2c4c1cc56db6376b466bc470f9dff78c27

  • SHA256

    77f4b9465cc351331c1769d13db104d2cce6c4468939e3e7c1246aec591c995a

  • SHA512

    952339c025edc1d847183185c925b10eb4405775df5e9be0de06e68dd80f7ba4144bd482e701dcf98b5f3466e19e59ec4a81322e5a766169dce1243e6b1ee00f

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/AU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP321tuuIeNHYGY0LzjsJxK

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

      77f4b9465cc351331c1769d13db104d2cce6c4468939e3e7c1246aec591c995a

    • Size

      2.2MB

    • MD5

      3c9e5a89c57f9c580d24b94a9903f20b

    • SHA1

      715b4b2c4c1cc56db6376b466bc470f9dff78c27

    • SHA256

      77f4b9465cc351331c1769d13db104d2cce6c4468939e3e7c1246aec591c995a

    • SHA512

      952339c025edc1d847183185c925b10eb4405775df5e9be0de06e68dd80f7ba4144bd482e701dcf98b5f3466e19e59ec4a81322e5a766169dce1243e6b1ee00f

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/AU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP321tuuIeNHYGY0LzjsJxK

    • 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