General

  • Target

    StatementXofXaccount.docx

  • Size

    291KB

  • Sample

    241004-kkt3jsydqf

  • MD5

    41ade795151d83aa5f87a646e200896c

  • SHA1

    045995a3240ad36fba16aa8ba2de55fbdd5fd5ea

  • SHA256

    07b6cba9318388db735e8a3c5c1dd86e7d5d303f4b3e09116fe36678e9aaa88c

  • SHA512

    dc343997a37437693e51745bd4733fc9828b28e8c88fe18c6f11b2d35ad33c3cad18e0e221316bef70c5bc2860d40867eb61d382a1c95ff7f4b58b4f7749515d

  • SSDEEP

    6144:1TJcsbiYv4DA268bLccx7dyubOJzj+I7nEG/JjETHo:jh8bLhVOJHoANSHo

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      StatementXofXaccount.docx

    • Size

      291KB

    • MD5

      41ade795151d83aa5f87a646e200896c

    • SHA1

      045995a3240ad36fba16aa8ba2de55fbdd5fd5ea

    • SHA256

      07b6cba9318388db735e8a3c5c1dd86e7d5d303f4b3e09116fe36678e9aaa88c

    • SHA512

      dc343997a37437693e51745bd4733fc9828b28e8c88fe18c6f11b2d35ad33c3cad18e0e221316bef70c5bc2860d40867eb61d382a1c95ff7f4b58b4f7749515d

    • SSDEEP

      6144:1TJcsbiYv4DA268bLccx7dyubOJzj+I7nEG/JjETHo:jh8bLhVOJHoANSHo

    • 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