General

  • Target

    010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.bin

  • Size

    428KB

  • Sample

    220309-jmkffshggq

  • MD5

    17311685b626728febd2b02b10bef166

  • SHA1

    44220969370c56ffa1dd54c1c3252ccfde8a50d2

  • SHA256

    010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31

  • SHA512

    9ace3b7efc7f6e017b6451f73083680c629b8bac4bbbdaab3e3d6b641b4baec721342bf278183fecb2924f4f2fd8d303d6b4caa80f7ccffd261b35f26b420491

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

      010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.bin

    • Size

      428KB

    • MD5

      17311685b626728febd2b02b10bef166

    • SHA1

      44220969370c56ffa1dd54c1c3252ccfde8a50d2

    • SHA256

      010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31

    • SHA512

      9ace3b7efc7f6e017b6451f73083680c629b8bac4bbbdaab3e3d6b641b4baec721342bf278183fecb2924f4f2fd8d303d6b4caa80f7ccffd261b35f26b420491

    • 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