Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 19:12

General

  • Target

    drop1.exe

  • Size

    1.2MB

  • MD5

    c401a019b5a9e44646577f8922e1014e

  • SHA1

    3406d945b0283bb6337a7490198b00cd1df278a2

  • SHA256

    31ebf7219722b8c908a914b2b08c5d03140af8b0cef6c96152e458dc82301c0a

  • SHA512

    f1306e3e015f005af3675f53ff17015b4cdc4484d13690a04842fa8ab9e7037c68e2e53c90176d7fff36c8a2faf50864d09fb89609466d5d89d7f11783f9250f

  • SSDEEP

    24576:Bdl/7xIgevnHodySw5KP4lXkV8sWGzv6VD0iNKlsTEc8hF71X:/l/a5vnIdyd5Q4lXkBmLNfkP7F

Malware Config

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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\drop1.exe
    "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\drop1.exe
      "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
      2⤵
        PID:1936
      • C:\Users\Admin\AppData\Local\Temp\drop1.exe
        "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
        2⤵
          PID:1636
        • C:\Users\Admin\AppData\Local\Temp\drop1.exe
          "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
          2⤵
            PID:2208
          • C:\Users\Admin\AppData\Local\Temp\drop1.exe
            "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
            2⤵
              PID:2652
            • C:\Users\Admin\AppData\Local\Temp\drop1.exe
              "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
              2⤵
                PID:2164
              • C:\Users\Admin\AppData\Local\Temp\drop1.exe
                "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
                2⤵
                  PID:2388
                • C:\Users\Admin\AppData\Local\Temp\drop1.exe
                  "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
                  2⤵
                    PID:2840
                  • C:\Users\Admin\AppData\Local\Temp\drop1.exe
                    "C:\Users\Admin\AppData\Local\Temp\drop1.exe"
                    2⤵
                    • Checks computer location settings
                    • Accesses Microsoft Outlook profiles
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • outlook_office_path
                    • outlook_win_path
                    PID:2764

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/2252-0-0x000000000018A000-0x000000000018B000-memory.dmp

                  Filesize

                  4KB

                • memory/2764-5-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-1-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-11-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-13-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2764-14-0x0000000000170000-0x00000000002B1000-memory.dmp

                  Filesize

                  1.3MB

                • memory/2764-8-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-7-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-6-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2764-3-0x0000000000400000-0x0000000000526000-memory.dmp

                  Filesize

                  1.1MB