Analysis

  • max time kernel
    38s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    02/08/2021, 05:25

General

  • Target
    Shipping Details_PDF.exe
  • Size 353KB
  • Sample210802-b6n9pjrn4x
  • SHA256 bdd500e8d7fadf83d80b3e1e6affbf60af92dff9d0b902b353e6ddad657445da
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://203.159.80.118/PL341/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 M2
  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M16
  • Loads dropped DLL 4 IoCs
  • Reads local data of messenger clients 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Details_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Details_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
        PID:3980
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        2⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:2128

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2128-117-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/2128-121-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4064-114-0x0000000000810000-0x0000000000811000-memory.dmp

          memory/4064-116-0x0000000005060000-0x0000000005061000-memory.dmp