General

  • Target

    e84f3f36aa22f8b7f7399ce57c68014ea23140e88755516db02b5e056d18dad6.exe

  • Size

    1.3MB

  • Sample

    241008-cyhyfavamk

  • MD5

    13476835b5465cf91e4dd7e60e110e56

  • SHA1

    38af4e6440237a3f0f7eb8378a9f82ea473fc9a4

  • SHA256

    e84f3f36aa22f8b7f7399ce57c68014ea23140e88755516db02b5e056d18dad6

  • SHA512

    90635bef1cfd86608c757270f45658b9aacf582afa249a58b046f533c00925851dc9e6cbd04cf54b7ae55965cc25dd94eac90a7b78b7a4a6da32ad5bbc74f74b

  • SSDEEP

    24576:CMF7WKYDIOMJRvFadXXUfTwrlWB4Zsasxb3+PcRmJDh/:evDIOMJG9kil7bsxZIJDh/

Malware Config

Extracted

Family

vidar

Version

11

Botnet

744fd163d6d4e0ac37e4032bcbfbb6af

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Targets

    • Target

      e84f3f36aa22f8b7f7399ce57c68014ea23140e88755516db02b5e056d18dad6.exe

    • Size

      1.3MB

    • MD5

      13476835b5465cf91e4dd7e60e110e56

    • SHA1

      38af4e6440237a3f0f7eb8378a9f82ea473fc9a4

    • SHA256

      e84f3f36aa22f8b7f7399ce57c68014ea23140e88755516db02b5e056d18dad6

    • SHA512

      90635bef1cfd86608c757270f45658b9aacf582afa249a58b046f533c00925851dc9e6cbd04cf54b7ae55965cc25dd94eac90a7b78b7a4a6da32ad5bbc74f74b

    • SSDEEP

      24576:CMF7WKYDIOMJRvFadXXUfTwrlWB4Zsasxb3+PcRmJDh/:evDIOMJG9kil7bsxZIJDh/

    • Detect Vidar Stealer

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Drops startup 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.

    • 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