General

  • Target

    2024-10-31_8d62e700b688c2cd65741c96363fe1e8_avoslocker_hijackloader

  • Size

    6.9MB

  • Sample

    241031-x4dacs1lbv

  • MD5

    8d62e700b688c2cd65741c96363fe1e8

  • SHA1

    a2051f1f358c874a603ff25f0fad8f62c08b4595

  • SHA256

    a899e62a8c7ba50eee558ea74ab735499ba057304714ec26d02dcc14adfb3148

  • SHA512

    675a2fbd71ec7203b33fb454cf9b347db8f2adced9de2b4a932013f39f3062674b8d2ec739aa1587f2f457e07085588a776ad9a9880d5d77d3387460ca1e58da

  • SSDEEP

    98304:XF0lfx2WMXhJcemnWqF0lfx2WMXhJcemnW9F0lfx2WMXhJcemnWcOU/jIEeQfoRS:S9x7ZeiI9x7ZeiD9x7ZeiLFIF0wu

Malware Config

Extracted

Family

vipkeylogger

Targets

    • Target

      2024-10-31_8d62e700b688c2cd65741c96363fe1e8_avoslocker_hijackloader

    • Size

      6.9MB

    • MD5

      8d62e700b688c2cd65741c96363fe1e8

    • SHA1

      a2051f1f358c874a603ff25f0fad8f62c08b4595

    • SHA256

      a899e62a8c7ba50eee558ea74ab735499ba057304714ec26d02dcc14adfb3148

    • SHA512

      675a2fbd71ec7203b33fb454cf9b347db8f2adced9de2b4a932013f39f3062674b8d2ec739aa1587f2f457e07085588a776ad9a9880d5d77d3387460ca1e58da

    • SSDEEP

      98304:XF0lfx2WMXhJcemnWqF0lfx2WMXhJcemnW9F0lfx2WMXhJcemnWcOU/jIEeQfoRS:S9x7ZeiI9x7ZeiD9x7ZeiLFIF0wu

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Vipkeylogger family

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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 v15

Tasks