General

  • Target

    48bc523d5996b1f5d354dfde03bd27c12a41654d3a5c995add6031c5c6fa1ff8

  • Size

    291KB

  • Sample

    241004-ztqttawcnn

  • MD5

    30a582c43d93757767f20d72997097e6

  • SHA1

    4d1b29528b33806f123b119e811990a89c19a9cc

  • SHA256

    48bc523d5996b1f5d354dfde03bd27c12a41654d3a5c995add6031c5c6fa1ff8

  • SHA512

    c344bc920c94fc4292ac346eb36c7011579962e110a0a27b9bf6fe22bc95fd0c5b6d5d30cf72c50da4bcf0d94e331f84a80399e503c726b8a64c0fd9ed153e5f

  • SSDEEP

    6144:RTJcsbiYv4DA268bLccx7dyubOJzj+I7nEG/JjETH3:Xh8bLhVOJHoANSH3

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      48bc523d5996b1f5d354dfde03bd27c12a41654d3a5c995add6031c5c6fa1ff8

    • Size

      291KB

    • MD5

      30a582c43d93757767f20d72997097e6

    • SHA1

      4d1b29528b33806f123b119e811990a89c19a9cc

    • SHA256

      48bc523d5996b1f5d354dfde03bd27c12a41654d3a5c995add6031c5c6fa1ff8

    • SHA512

      c344bc920c94fc4292ac346eb36c7011579962e110a0a27b9bf6fe22bc95fd0c5b6d5d30cf72c50da4bcf0d94e331f84a80399e503c726b8a64c0fd9ed153e5f

    • SSDEEP

      6144:RTJcsbiYv4DA268bLccx7dyubOJzj+I7nEG/JjETH3:Xh8bLhVOJHoANSH3

    • VIPKeylogger

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • 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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks