General

  • Target

    2024-10-29_b38044c85c61344e55c645da14c2c5e9_avoslocker_hijackloader

  • Size

    3.8MB

  • Sample

    241030-ap6xss1pd1

  • MD5

    b38044c85c61344e55c645da14c2c5e9

  • SHA1

    3c7234f791f2da542d318965f6868b909a4b6c3e

  • SHA256

    20592cd3af7ef4fc50bf5df5ad426ff7ee6094239422ae1eec91467927e7170a

  • SHA512

    ae2a94a1b3be245e9226d39b81301dbc17e82815547343ac7c222f1d2e89038efb160a44699eb13abc41a53ef78b484bb31110a402457d22f931286ab5e927ad

  • SSDEEP

    98304:aF0lfx2WMXhJcemnWcOU/jIEeQfoR/IuOFVjUu5:v9x7ZeiLFIF0wu

Malware Config

Extracted

Family

vipkeylogger

Targets

    • Target

      2024-10-29_b38044c85c61344e55c645da14c2c5e9_avoslocker_hijackloader

    • Size

      3.8MB

    • MD5

      b38044c85c61344e55c645da14c2c5e9

    • SHA1

      3c7234f791f2da542d318965f6868b909a4b6c3e

    • SHA256

      20592cd3af7ef4fc50bf5df5ad426ff7ee6094239422ae1eec91467927e7170a

    • SHA512

      ae2a94a1b3be245e9226d39b81301dbc17e82815547343ac7c222f1d2e89038efb160a44699eb13abc41a53ef78b484bb31110a402457d22f931286ab5e927ad

    • SSDEEP

      98304:aF0lfx2WMXhJcemnWcOU/jIEeQfoR/IuOFVjUu5:v9x7ZeiLFIF0wu

    • 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

    • 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.

    • 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