Overview

overview

10

Static

static

OPEN019292...28.exe

windows7_x64

10

OPEN019292...28.exe

windows10_x64

10

Analysis

  • max time kernel
    17s
  • max time network
    70s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    16/03/2021, 11:25

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General

  • Target
    OPEN01929291000_2021-03-15_07-28.exe
  • Size 324KB
  • Sample210316-rm5zexknvx
  • SHA256 6296905cf4a331aa9a278c3df71c8e6cb3c1e60b48402696264aac0f4d0df659
  • MD5 SHA1 SHA512
Score
10/10
azorultdiscoveryinfostealerspywarestealertrojan

Malware Config

Extracted

Family

  • azorult

C2

  • http://45.85.90.188/az1/wuvc/index.php

Signatures

  • Azorult

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

    trojaninfostealerazorult
  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads local data of messenger clients 2 TTPs

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

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OPEN01929291000_2021-03-15_07-28.exe
    "C:\Users\Admin\AppData\Local\Temp\OPEN01929291000_2021-03-15_07-28.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "OPEN01929291000_2021-03-15_07-28.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:476
      • C:\Windows\SysWOW64\timeout.exe
        C:\Windows\system32\timeout.exe 3
        3⤵
        • Delays execution with timeout.exe
        PID:3248

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1456-2-0x00000000031D0000-0x00000000031D1000-memory.dmp
        Download

        memory/1456-3-0x0000000002C10000-0x0000000002C2E000-memory.dmp
        Download

        memory/1456-4-0x0000000000400000-0x0000000000420000-memory.dmp
        Download