General

  • Target

    f5b141ce94f27a606abcd5aef629894e.exe

  • Size

    1.2MB

  • Sample

    210126-p513fkb8tx

  • MD5

    f5b141ce94f27a606abcd5aef629894e

  • SHA1

    40df0293b9d5eb72631bf4e4578e37761f3a5e21

  • SHA256

    92ea639651a44e4207ecd6b94b3d9a7b29c4f918d3b0d702eec35a0a454c52a4

  • SHA512

    0a1a0a66910ea9f3c0dbacde0023d3bae9bed152265ff313b96438bac8e9ae6ae8ee5aa83bd0e4f0b6287b3718427f99ecbb01911905ba1be32714bde906c473

Malware Config

Targets

    • Target

      f5b141ce94f27a606abcd5aef629894e.exe

    • Size

      1.2MB

    • MD5

      f5b141ce94f27a606abcd5aef629894e

    • SHA1

      40df0293b9d5eb72631bf4e4578e37761f3a5e21

    • SHA256

      92ea639651a44e4207ecd6b94b3d9a7b29c4f918d3b0d702eec35a0a454c52a4

    • SHA512

      0a1a0a66910ea9f3c0dbacde0023d3bae9bed152265ff313b96438bac8e9ae6ae8ee5aa83bd0e4f0b6287b3718427f99ecbb01911905ba1be32714bde906c473

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • 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 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks