General

  • Target

    random.exe

  • Size

    899KB

  • Sample

    250207-skc32axkap

  • MD5

    1e854cc21a0a1e0d4529eafa30f00c46

  • SHA1

    7d46238f771042bee22b70555e69fbbecc556737

  • SHA256

    435eaccabde5605bb4d9a13ae054c63dd4e5ad61025e0515702e8121cf0a9598

  • SHA512

    278a7cee7819d5cc685dd9c075639968798341bac23718b15441d3b9b0d723eb7836e0329c5c5f096f54dcce826e8ea871d033385b72464637391a14b61f33fb

  • SSDEEP

    24576:vZzss7nmV+EsC9s50bHp4H2gS1YuzusJGuYco03ddH:BI49EsqDH+cTG2NdH

Malware Config

Extracted

Family

vidar

C2

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Targets

    • Target

      random.exe

    • Size

      899KB

    • MD5

      1e854cc21a0a1e0d4529eafa30f00c46

    • SHA1

      7d46238f771042bee22b70555e69fbbecc556737

    • SHA256

      435eaccabde5605bb4d9a13ae054c63dd4e5ad61025e0515702e8121cf0a9598

    • SHA512

      278a7cee7819d5cc685dd9c075639968798341bac23718b15441d3b9b0d723eb7836e0329c5c5f096f54dcce826e8ea871d033385b72464637391a14b61f33fb

    • SSDEEP

      24576:vZzss7nmV+EsC9s50bHp4H2gS1YuzusJGuYco03ddH:BI49EsqDH+cTG2NdH

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks