General

  • Target

    1e9bbbeb040fa46c67bc853dcc4f0e7f10c9bb1f45b67b0060b2b5fe2c1ad398.exe

  • Size

    1.1MB

  • Sample

    221121-yalv3sea23

  • MD5

    fd06aeefc7397dd23b37723a015bb4f7

  • SHA1

    7ae26b0c428dc50fa802c16aeb555602b63b255b

  • SHA256

    1e9bbbeb040fa46c67bc853dcc4f0e7f10c9bb1f45b67b0060b2b5fe2c1ad398

  • SHA512

    4cdf4c17c0a646e3586d88784aed09e0e31b2e55dd8c502012f5d7d2af7c20882114ae9b50771ce80e1fa8435414a7097d3c75959923ab4e30121650620afb45

  • SSDEEP

    24576:wAOcZlYFHb9hHgV07huAPNnjLzCXPQ+T5beBP:uBHbfAV0lHCXY+TUBP

Malware Config

Targets

    • Target

      1e9bbbeb040fa46c67bc853dcc4f0e7f10c9bb1f45b67b0060b2b5fe2c1ad398.exe

    • Size

      1.1MB

    • MD5

      fd06aeefc7397dd23b37723a015bb4f7

    • SHA1

      7ae26b0c428dc50fa802c16aeb555602b63b255b

    • SHA256

      1e9bbbeb040fa46c67bc853dcc4f0e7f10c9bb1f45b67b0060b2b5fe2c1ad398

    • SHA512

      4cdf4c17c0a646e3586d88784aed09e0e31b2e55dd8c502012f5d7d2af7c20882114ae9b50771ce80e1fa8435414a7097d3c75959923ab4e30121650620afb45

    • SSDEEP

      24576:wAOcZlYFHb9hHgV07huAPNnjLzCXPQ+T5beBP:uBHbfAV0lHCXY+TUBP

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks