General

  • Target

    Halkbank_Ekstre_20230129_075423_612150o.pdf..exe

  • Size

    504KB

  • Sample

    230201-rt6ahaaa67

  • MD5

    03fd5c37e0939a302d0bfd335d808cdd

  • SHA1

    f5ef1bec6f10a54e8fc85e4c2a2fa5e82f7e13e7

  • SHA256

    0e78a86f26a42335770e1a79657525389260b0213f243cb5f3cfa70948043303

  • SHA512

    55515e57ee6709bc3990b3095c73995cee51be5eb4b907c4c729e3e3006c392a154ede581cd1e586fec572ede554f1eefb1dcb46bb5dd9f716d9dcff8cfde173

  • SSDEEP

    12288:ooEevLH/zkcKGdPnbx6KdENaxLsSfBEgAiTlr8z9i7+pv1CWtO:odevLfOKPnbJdEN0V2gAClr8zw6R0h

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5801425382:AAG5b4PUEaqNDv5uP9ejZGeIHeuzzOD4IHY/sendMessage?chat_id=5812329204

Targets

    • Target

      Halkbank_Ekstre_20230129_075423_612150o.pdf..exe

    • Size

      504KB

    • MD5

      03fd5c37e0939a302d0bfd335d808cdd

    • SHA1

      f5ef1bec6f10a54e8fc85e4c2a2fa5e82f7e13e7

    • SHA256

      0e78a86f26a42335770e1a79657525389260b0213f243cb5f3cfa70948043303

    • SHA512

      55515e57ee6709bc3990b3095c73995cee51be5eb4b907c4c729e3e3006c392a154ede581cd1e586fec572ede554f1eefb1dcb46bb5dd9f716d9dcff8cfde173

    • SSDEEP

      12288:ooEevLH/zkcKGdPnbx6KdENaxLsSfBEgAiTlr8z9i7+pv1CWtO:odevLfOKPnbJdEN0V2gAClr8zw6R0h

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Checks computer location settings

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks