Analysis

  • max time kernel
    93s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 01:29

General

  • Target

    8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe

  • Size

    2.6MB

  • MD5

    0c01cfc0685211b3c655c7a9526f1849

  • SHA1

    864d23804b6e3c98efd1b56863a484b505ddf40b

  • SHA256

    8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6

  • SHA512

    6024a41f371d77a82608c0e8ff314853404a50decb77838ace61c43a72ef954f4a227849b85e2aa3ef0749120e8361f13145006652596fb22b2f972bf7585719

  • SSDEEP

    49152:EZPf0tL9d77T+WScpPNBqB0+i8jS9fQzm/kv49hISc1HeW6YS3jLqFtJc:TVScpPN3D/8Sc1HeW6YSad

Malware Config

Extracted

Family

meduza

C2

79.137.202.152

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    Legenda

  • 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 5 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\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe
    "C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe
      "C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.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:1756
      • 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\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3504
        • 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:2184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe

    Filesize

    2.6MB

    MD5

    0c01cfc0685211b3c655c7a9526f1849

    SHA1

    864d23804b6e3c98efd1b56863a484b505ddf40b

    SHA256

    8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6

    SHA512

    6024a41f371d77a82608c0e8ff314853404a50decb77838ace61c43a72ef954f4a227849b85e2aa3ef0749120e8361f13145006652596fb22b2f972bf7585719

  • C:\Users\Admin\AppData\Local\Temp\8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6.exe:a.dll

    Filesize

    1.4MB

    MD5

    bc690cc3a740f79f71732e6dba60b67a

    SHA1

    1b3b7107bdddcee5f10781f466a52f195190f342

    SHA256

    3fb6b027285db00651f0257df8f5ca9db5665a24a5e23f476cd3e71244bfbc7f

    SHA512

    bd090037334592f7000be3ec1ff3e77f4303f59f071a7fd6d21eee6b96d07d8aaf6f51725369f2823dd9e0fe2bc1f437bc0fc32ee7af2de2ed49c0b654bf521a

  • memory/1756-6-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/1756-9-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/1756-8-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/1756-10-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/1756-18-0x0000000140000000-0x000000014013B000-memory.dmp

    Filesize

    1.2MB

  • memory/2004-0-0x00007FF6564C0000-0x00007FF656766000-memory.dmp

    Filesize

    2.6MB

  • memory/2004-11-0x00007FF6564C0000-0x00007FF656766000-memory.dmp

    Filesize

    2.6MB