Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    09/12/2021, 10:42

General

  • Target
    822ba9b3cb71807e33170424907db927.exe
  • Size 1.1MB
  • Sample211209-mrpshschcl
  • SHA256 f4e530cef710d98aa5ca1a24d0c8ee1ce83b534afa2dbe27b58ac857729a662e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://elvincom.com/Nmp09/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • suricata: ET MALWARE AZORult v3.3 Server Response M3

    suricata: ET MALWARE AZORult v3.3 Server Response M3

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M17

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M17

  • Loads dropped DLL 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\822ba9b3cb71807e33170424907db927.exe
    "C:\Users\Admin\AppData\Local\Temp\822ba9b3cb71807e33170424907db927.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\822ba9b3cb71807e33170424907db927.exe
      "C:\Users\Admin\AppData\Local\Temp\822ba9b3cb71807e33170424907db927.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • outlook_office_path
      • outlook_win_path
      PID:4380

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4156-120-0x00000000084E0000-0x00000000084E7000-memory.dmp

        memory/4156-123-0x0000000008540000-0x0000000008541000-memory.dmp

        memory/4156-124-0x00000000085E0000-0x00000000086E5000-memory.dmp

        memory/4156-122-0x0000000004EE0000-0x00000000053DE000-memory.dmp

        memory/4156-121-0x00000000084F0000-0x00000000084F1000-memory.dmp

        memory/4156-115-0x0000000000640000-0x0000000000641000-memory.dmp

        memory/4156-119-0x0000000005030000-0x0000000005031000-memory.dmp

        memory/4156-118-0x0000000004F90000-0x0000000004F91000-memory.dmp

        memory/4156-117-0x00000000053E0000-0x00000000053E1000-memory.dmp

        memory/4380-125-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/4380-127-0x0000000000400000-0x0000000000420000-memory.dmp