General

  • Target

    2c9896b3eac1e686a331d810308ef7d7e4f131b764ec1c7c9d1205a79d00073f.exe

  • Size

    4.3MB

  • Sample

    240926-xmpl3awamh

  • MD5

    db5245aa66c7883d72b0f718467c842b

  • SHA1

    8cf496453999ebb97987874873e33230e5ecec57

  • SHA256

    2c9896b3eac1e686a331d810308ef7d7e4f131b764ec1c7c9d1205a79d00073f

  • SHA512

    ca794edcdef86dc2745e87ba4851581e3d0ed83881e0f7dd61351b18e5b467b68d032f9ee6998cc5307dc40dc0f9b9e0c4cfc33b0e9df9abcbe14611e36d207f

  • SSDEEP

    98304:0yeXw/fAXrC1h7a6dsRsB78r3SGE2rKYM0B1KEjjJQf+54C:teUAXObeeB7wM2rtZzX4C

Malware Config

Extracted

Family

vidar

Version

11

Botnet

8804a4f27e22750a8baa49e881ddca35

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

      2c9896b3eac1e686a331d810308ef7d7e4f131b764ec1c7c9d1205a79d00073f.exe

    • Size

      4.3MB

    • MD5

      db5245aa66c7883d72b0f718467c842b

    • SHA1

      8cf496453999ebb97987874873e33230e5ecec57

    • SHA256

      2c9896b3eac1e686a331d810308ef7d7e4f131b764ec1c7c9d1205a79d00073f

    • SHA512

      ca794edcdef86dc2745e87ba4851581e3d0ed83881e0f7dd61351b18e5b467b68d032f9ee6998cc5307dc40dc0f9b9e0c4cfc33b0e9df9abcbe14611e36d207f

    • SSDEEP

      98304:0yeXw/fAXrC1h7a6dsRsB78r3SGE2rKYM0B1KEjjJQf+54C:teUAXObeeB7wM2rtZzX4C

    • 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 processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks