Analysis

  • max time kernel
    148s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 09:54

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241031-lw8krawdkf
  • SHA256 a19257d178d7f240c830b29e8bb55d9b6320dc1b56795e4fa90267419ed4070c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • meduza

C2
  • 109.172.94.66

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Install

  • extensions

    .txt

  • grabber_max_size

    1.048576e+06

  • port

    15666

  • self_destruct

    false

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 1 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2796-0-0x00007FF8BD360000-0x00007FF8BD361000-memory.dmp

        memory/2796-14-0x000002237E480000-0x000002237E5C7000-memory.dmp

        memory/2796-15-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

        memory/2796-13-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

        memory/2796-8-0x00007FF93D2DA000-0x00007FF93D2DB000-memory.dmp

        memory/2796-16-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

        memory/2796-17-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

        memory/2796-26-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

        memory/2796-27-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp