General

  • Target

    30092463687563.docx

  • Size

    264KB

  • Sample

    241002-ntwvaayakc

  • MD5

    da3b3b9590907c35f64e830b2b244ffd

  • SHA1

    8393b61a2871bc1ea9cb2c22fa041790ce8fa5b1

  • SHA256

    97a4fe736ddd0955e218e7f7fb00d2fddee7896db60aa90e175b4824c9192825

  • SHA512

    98d070881920985daa43a793dd5064a4262584f61c34d86d0b51ff9c395ff81712e192b34cef6a1fedb3a274e214f38725b14fdb93aede811043b976ba6a3cf1

  • SSDEEP

    6144:AyrTTW+ch8x2ZpfRkdxyl+cOpFVozXHN5dOP:Dwy2O1c0buXHNXc

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      30092463687563.docx

    • Size

      264KB

    • MD5

      da3b3b9590907c35f64e830b2b244ffd

    • SHA1

      8393b61a2871bc1ea9cb2c22fa041790ce8fa5b1

    • SHA256

      97a4fe736ddd0955e218e7f7fb00d2fddee7896db60aa90e175b4824c9192825

    • SHA512

      98d070881920985daa43a793dd5064a4262584f61c34d86d0b51ff9c395ff81712e192b34cef6a1fedb3a274e214f38725b14fdb93aede811043b976ba6a3cf1

    • SSDEEP

      6144:AyrTTW+ch8x2ZpfRkdxyl+cOpFVozXHN5dOP:Dwy2O1c0buXHNXc

    • 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