Analysis

  • max time kernel
    15s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    02/06/2021, 17:28

General

  • Target
    HalkbankEkstre02062194872448750221348.exe
  • Size 165KB
  • Sample210602-mrt7pffbw6
  • SHA256 c43d47ad1215629d32c33053a321e2ebb0af0c3f013cd7a30abe85ae1cff5bd7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://45.180.172.235/PL341/index.php

Signatures

  • Azorult

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

  • Loads dropped DLL 6 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HalkbankEkstre02062194872448750221348.exe
    "C:\Users\Admin\AppData\Local\Temp\HalkbankEkstre02062194872448750221348.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\HalkbankEkstre02062194872448750221348.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2324

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2324-117-0x0000000000400000-0x0000000000420000-memory.dmp