Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 16:24

General

  • Target
    ae2414d162454346d9a520ea3835e94c.exe
  • Size 2.6MB
  • Sample241010-twddlsvdlc
  • SHA256 5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • meduza

C2
  • 79.137.202.152

Attributes
  • anti_dbg

    true

  • anti_vm

    false

  • build_name

    OurOld2

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    1.048576e+06

  • port

    15666

  • self_destruct

    true

Signatures

  • Meduza

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

  • Meduza Stealer payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • NTFS ADS 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe
    "C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe
      "C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4500
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Windows\system32\PING.EXE
          ping 1.1.1.1 -n 1 -w 3000
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ae2414d162454346d9a520ea3835e94c.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe
        • Size 2.6MB
        • SHA256 5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5
        • MD5 SHA1 SHA512 SSDEEP

        ae2414d162454346d9a520ea3835e94c.exe:a.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ae2414d162454346d9a520ea3835e94c.exe:a.dll
        • Size 1.4MB
        • SHA256 cf3d4b66bb6547b0699bafe2dc7a954c8241df5529f219e8724d7b3824516696
        • MD5 SHA1 SHA512 SSDEEP

        memory/3608-0-0x00007FF731600000-0x00007FF7318A6000-memory.dmp

        memory/3608-9-0x00007FF731600000-0x00007FF7318A6000-memory.dmp

        memory/4500-8-0x0000000140000000-0x000000014013B000-memory.dmp

        memory/4500-10-0x0000000140000000-0x000000014013B000-memory.dmp

        memory/4500-7-0x0000000140000000-0x000000014013B000-memory.dmp

        memory/4500-5-0x0000000140000000-0x000000014013B000-memory.dmp

        memory/4500-19-0x0000000140000000-0x000000014013B000-memory.dmp

        memory/4500-20-0x0000000140000000-0x000000014013B000-memory.dmp