General

  • Target

    C0R555795T250903598.eml

  • Size

    247KB

  • Sample

    240820-rs7rya1ckq

  • MD5

    6f695c76ac1be7de16136d58be6a686c

  • SHA1

    b1d610fd7113e677858bccb35249e9b121a7df28

  • SHA256

    08047d9a433af435bc28b2a3b5f00647de6908b7c5ff5e24f6d606444fc51898

  • SHA512

    1fdf9e95df033170d5bc47225de1484ad5b1cd815161fecb2fcdaf00a857b99d4fb4bd170bc8d4392243b19d088d56892a8506dcc102bcc753216948a31be79a

  • SSDEEP

    6144:5CJznQ7gJeMqJTGLU7zewIfoFlIApfJmJZlfYM:5PMeMqJTG4+aIyMJ3fJ

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      qoute.docx

    • Size

      179KB

    • MD5

      a07bcec379d6c10b5c39caedc56a290a

    • SHA1

      953f655df1677263180e8c564755b0051e20574b

    • SHA256

      0716b488e853e64c11829ceadc87e805cd1513bcec26a8c261520a36aff87da2

    • SHA512

      b0fb67341428e3fc30f8902e122ab6133de05b9078332f2ff93a862ed9f4ebf7ab39641c74411f8b4f11a66fc4dc97d83112860876558f3f128beb9efde1530f

    • SSDEEP

      3072:OiY5rj1ATug+mhTZMxjcFQ9csn4qAzYjDp/shKuikycBSRjR/Vx7XU4U56:05r/g+qZMpcFSQzYHut4dFE6

    • VIPKeylogger

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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