Analysis

  • max time kernel
    47s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05/04/2021, 14:29

General

  • Target
    TKS6670.exe
  • Size 153KB
  • Sample210405-fltsbljq2s
  • SHA256 62bcad1a08b9645f0b2bd969e31e3beda41ce828387eb60ce07b0749deee4c59
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • azorult

C2
  • http://staging.onyxa.pl/XyuTr/index.php

Signatures

  • Azorult

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\TKS6670.exe
    "C:\Users\Admin\AppData\Local\Temp\TKS6670.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\TKS6670.exe
      "C:\Users\Admin\AppData\Local\Temp\TKS6670.exe"
      2⤵
        PID:5092

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4712-4-0x0000000002360000-0x0000000002362000-memory.dmp

          memory/5092-5-0x0000000000400000-0x0000000000420000-memory.dmp