General

  • Target

    HEU_KMS_Activator_30.4.0.exe

  • Size

    7.5MB

  • Sample

    241003-vqhxkswhnq

  • MD5

    fa8414423461fbc180cd6bb1ddce0943

  • SHA1

    e47d1c1bbf202bcbfc887801833ebb6ba28b03ed

  • SHA256

    9a97197ab32aa3645c3c6e2862aec79d04c7aec015e33ab7589df6c9001f61a0

  • SHA512

    d62af6118880cc457b21b1749fcdde5353bd761993aaa84822897732be219fb229680ca6402338fde5f4436778aa68d24a88da120fce95ac109112273ab58a1f

  • SSDEEP

    196608:NvGacofn0nk/6RGU+cu6xYDcUT+GXGMVPNBvLDA:Nveof0nid5cu6mDhyirTA

Malware Config

Extracted

Family

vidar

Version

11

Botnet

7e6c13833126d03adc9573b3325d5542

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

      HEU_KMS_Activator_30.4.0.exe

    • Size

      7.5MB

    • MD5

      fa8414423461fbc180cd6bb1ddce0943

    • SHA1

      e47d1c1bbf202bcbfc887801833ebb6ba28b03ed

    • SHA256

      9a97197ab32aa3645c3c6e2862aec79d04c7aec015e33ab7589df6c9001f61a0

    • SHA512

      d62af6118880cc457b21b1749fcdde5353bd761993aaa84822897732be219fb229680ca6402338fde5f4436778aa68d24a88da120fce95ac109112273ab58a1f

    • SSDEEP

      196608:NvGacofn0nk/6RGU+cu6xYDcUT+GXGMVPNBvLDA:Nveof0nid5cu6mDhyirTA

    • Detect Vidar Stealer

    • 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.

    • 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 connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks