Analysis

  • max time kernel
    95s
  • max time network
    98s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22/09/2021, 12:01

General

  • Target
    9fYI48zaTwSnHR1.exe
  • Size 761KB
  • Sample210922-n6weaafadp
  • SHA256 c41a35d1a3de4fd8f2a3138c90ca1453e8935e22ba6ccb1224fe370e0d0848ea
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://216.128.151.72/index.php

Signatures

  • Azorult

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

  • suricata: ET MALWARE AZORult v3.2 Server Response M3

    suricata: ET MALWARE AZORult v3.2 Server Response M3

  • suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M16

    suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M16

  • Loads dropped DLL 5 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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fYI48zaTwSnHR1.exe
    "C:\Users\Admin\AppData\Local\Temp\9fYI48zaTwSnHR1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\9fYI48zaTwSnHR1.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1756

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/808-114-0x0000000002920000-0x0000000002921000-memory.dmp

        memory/808-115-0x0000000002921000-0x0000000002922000-memory.dmp

        memory/808-116-0x000000007E770000-0x000000007E771000-memory.dmp

        memory/1756-117-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1756-119-0x0000000000400000-0x0000000000420000-memory.dmp