General

  • Target

    Halkbank_Ekstre_20231127_093256_734136.pdf.exe

  • Size

    720KB

  • Sample

    231127-m8jylagb5s

  • MD5

    f807d8a57e882d42638b68750167e6ab

  • SHA1

    fb61665d0cf5fbaad74d093e1e3c5750f09b4cc1

  • SHA256

    1b4b22ab1d8d89a1d60371e7399b30dc74c0d2e5b1a83b46cc0a2ae95e6da667

  • SHA512

    27c90ec301cfa65056491392e0c2c67915dfbcc3ce3b2a21624c577445a3629ebcec8f40a30e2641a5f4bd31883e1040fe0f74f7cd5e04e040150078f44ee0fd

  • SSDEEP

    12288:Qti1KYlsa9qaLlT7Aj+HGTSrK9lZt5voMrk72SKQkGI195d7BR6wTtE6jD/:QMv9qaLJAj4rI3e2SSGYfpBhtD/

Malware Config

Targets

    • Target

      Halkbank_Ekstre_20231127_093256_734136.pdf.exe

    • Size

      720KB

    • MD5

      f807d8a57e882d42638b68750167e6ab

    • SHA1

      fb61665d0cf5fbaad74d093e1e3c5750f09b4cc1

    • SHA256

      1b4b22ab1d8d89a1d60371e7399b30dc74c0d2e5b1a83b46cc0a2ae95e6da667

    • SHA512

      27c90ec301cfa65056491392e0c2c67915dfbcc3ce3b2a21624c577445a3629ebcec8f40a30e2641a5f4bd31883e1040fe0f74f7cd5e04e040150078f44ee0fd

    • SSDEEP

      12288:Qti1KYlsa9qaLlT7Aj+HGTSrK9lZt5voMrk72SKQkGI195d7BR6wTtE6jD/:QMv9qaLJAj4rI3e2SSGYfpBhtD/

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • 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 v15

Tasks