Extracted

• • Target

    2024-09-24_ac9cbafc6040928f36391100b5e63fcc_avoslocker_hijackloader

  • Size

    3.5MB

  • MD5

    ac9cbafc6040928f36391100b5e63fcc

  • SHA1

    2d2957e0b078c2680f97b4f2e23edb1573b27a46

  • SHA256

    839dd22c392ab35862cd5984c843292b9069dafef4a6b52c22fe958414c861a6

  • SHA512

    ace5af9b925a3aec2ac54b8e0814b93c71cb244a8ef197a9cd4cd569e026e7125e7296c8ac254eada1f49002018c00f5568b3de38668e328219849f936c5dc44

  • SSDEEP

    98304:enT0m9Lp46Ruq3OU/jIEeQfoR/IuOFVjUu5:ATB9dOq3FIF0wu

  Score

  10^/10

  snakekeyloggercollectiondiscoveryexecutionkeyloggerpersistencespywarestealer

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger

  • Snake Keylogger payload

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of local email clients

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

    spywarestealer

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Accesses Microsoft Outlook profiles

    collection

  • Adds Run key to start application

    persistence

  • 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

  behavioral1behavioral2