Analysis

  • max time kernel
    125s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    17/07/2020, 05:29

General

  • Target
    q6U9sgHlYJYOnFZ.exe
  • Size 1.2MB
  • Sample200717-vv99vkd5fx
  • SHA256 8f4df940d9a199c45165a84eeb227c027203a66713ca8ea602ccf28e75e3b0bc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    TESTIMONY@123

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 4 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\q6U9sgHlYJYOnFZ.exe
    "C:\Users\Admin\AppData\Local\Temp\q6U9sgHlYJYOnFZ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eOYHJZwY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B8B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1832
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1836

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1836-4-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1836-6-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1836-7-0x0000000000400000-0x000000000044C000-memory.dmp