General

  • Target

    FB678489548767854_Swift_advice.doc

  • Size

    807KB

  • Sample

    241023-knfz4asglq

  • MD5

    2cc6ed74a007255f16281a7ba9bf28bd

  • SHA1

    e2a632c2597636063ad9ce8b7b7d414813172f13

  • SHA256

    e3bc935dfe1c33d41a0956a758e96218389f00246cc0d6521ce9e953491f34a0

  • SHA512

    be53699aaf860d982c227f2508aa52ebeec6f9c88b4bb49a2ee72c68fea17c096281c53fef9bc5762d6d91cf22d271bdbece05cb3eb878fc3d7846b87c058cb0

  • SSDEEP

    6144:cwAYwAYwAYwAYwAYwAYwAYwAqE0RHYuD5tBzpYhduQ6LhTCQTlfZkQ58:GE7

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      FB678489548767854_Swift_advice.doc

    • Size

      807KB

    • MD5

      2cc6ed74a007255f16281a7ba9bf28bd

    • SHA1

      e2a632c2597636063ad9ce8b7b7d414813172f13

    • SHA256

      e3bc935dfe1c33d41a0956a758e96218389f00246cc0d6521ce9e953491f34a0

    • SHA512

      be53699aaf860d982c227f2508aa52ebeec6f9c88b4bb49a2ee72c68fea17c096281c53fef9bc5762d6d91cf22d271bdbece05cb3eb878fc3d7846b87c058cb0

    • SSDEEP

      6144:cwAYwAYwAYwAYwAYwAYwAYwAqE0RHYuD5tBzpYhduQ6LhTCQTlfZkQ58:GE7

    • 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

    • 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