General

  • Target
    3168f18432106cfaf21f48598c1b26b1026de7a0bac69ae548c79dec67be7853.bin
  • Size 456KB
  • Sample220309-jmr6ashghk
  • SHA256 3168f18432106cfaf21f48598c1b26b1026de7a0bac69ae548c79dec67be7853
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • jester

Botnet
  • fanyze

C2
  • http://jesterdcuxzbey4xvlwwheoecpltru5be2mzuk4w7a7nrhckdjjhrbyd.onion/report/fanyze

  • https://api.anonfiles.com/upload?token=d26d620842507144

Mutex
  • f9999b04-5f6b-47c3-830e-f07171c30d02

Attributes
  • license_key

    9A554B1F2269B7AF81AF6B074943117B

Targets

    • Target
      3168f18432106cfaf21f48598c1b26b1026de7a0bac69ae548c79dec67be7853.bin
    • Size 456KB
    • SHA256 3168f18432106cfaf21f48598c1b26b1026de7a0bac69ae548c79dec67be7853
    • MD5 SHA1 SHA512
    • Jester

      Jester is an information stealer malware written in C#.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks