General

  • Target

    bfc9270ed3a31492f2d720aef6d2c13c00cd33f7db59f844c9be0f633bac4c26

  • Size

    824KB

  • Sample

    240706-h8pfvszhkl

  • MD5

    5a70a4e096e00a79fd98b2611c2a0f24

  • SHA1

    8a16e0a35105ae496e192546c511ca02e354df2c

  • SHA256

    bfc9270ed3a31492f2d720aef6d2c13c00cd33f7db59f844c9be0f633bac4c26

  • SHA512

    d337887877f2600a246af586a27286266eccd7719a6116eabdab74f841696f070ef725abbd8176a8a41e5a449b4c23ab20639ea834e515e08c6b306ceb9b62cc

  • SSDEEP

    24576:WjMEgtP0ZQpcSZ1Q51Msdmu1z1h00uCO5HX7:4MEQUQpc8wMsUu1v0xLVX7

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Targets

    • Target

      efa6c45930146d4fcec3793aaab65626df16363643b1452ccdc4e77ac56fb40f.exe

    • Size

      858KB

    • MD5

      7aec38c6f23f36dbf2698d116efebca5

    • SHA1

      7094d6969973a686765978a661845078bbbf04c3

    • SHA256

      efa6c45930146d4fcec3793aaab65626df16363643b1452ccdc4e77ac56fb40f

    • SHA512

      ad598d8b5b23971677c352729b479fe51a04c722b97ea3869f374498030936329ba4e5b36e2713b72d0aeb382d6e05698dba044367106e277d695cb461bae419

    • SSDEEP

      24576:FPgnJI9ACUvVBQWnNYMFm0ykNNcw0xGJWW45:EQUvzQWj7ykNNcRxGv45

    • 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

    • 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.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks