Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 05:16

General

  • Target
    45237bc557ba8cc2d0da3cf2e7f3ee5e.exe
  • Size 3.6MB
  • Sample241106-fx5ycstrhw
  • SHA256 72fc447399a062280473baf7d28d8a4ccd1350dbb47be3ce6f177ed002cc6a36
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • meduza

C2
  • 89.22.239.174

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    hellnov

  • extensions

    .txt

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Signatures

  • Meduza

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

  • Meduza Stealer payload 5 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45237bc557ba8cc2d0da3cf2e7f3ee5e.exe
    "C:\Users\Admin\AppData\Local\Temp\45237bc557ba8cc2d0da3cf2e7f3ee5e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\45237bc557ba8cc2d0da3cf2e7f3ee5e.exe
      C:\Users\Admin\AppData\Local\Temp\45237bc557ba8cc2d0da3cf2e7f3ee5e.exe
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2980

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2980-1-0x0000000140000000-0x000000014013E000-memory.dmp

        memory/2980-2-0x0000000140000000-0x000000014013E000-memory.dmp

        memory/2980-0-0x0000000140000000-0x000000014013E000-memory.dmp

        memory/2980-3-0x0000000140000000-0x000000014013E000-memory.dmp

        memory/2980-12-0x0000000140000000-0x000000014013E000-memory.dmp