Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    16/10/2020, 14:28

General

  • Target
    6f076a92c41e53b1dd2be0c3634f6a76.exe
  • Size 432KB
  • Sample201016-ywfr4scfls
  • SHA256 db77ff50901fe8d7cb2b403da6f82cff368511deaa4d814b9b8f58712ad7fc3e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    Yonetim24*+

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f076a92c41e53b1dd2be0c3634f6a76.exe
    "C:\Users\Admin\AppData\Local\Temp\6f076a92c41e53b1dd2be0c3634f6a76.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3932

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3876-0-0x0000000073530000-0x0000000073C1E000-memory.dmp

        memory/3876-1-0x0000000000440000-0x0000000000441000-memory.dmp

        memory/3876-3-0x0000000005300000-0x0000000005301000-memory.dmp

        memory/3876-4-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

        memory/3876-5-0x0000000004E40000-0x0000000004E41000-memory.dmp

        memory/3876-6-0x0000000007200000-0x0000000007201000-memory.dmp

        memory/3876-7-0x0000000005170000-0x0000000005174000-memory.dmp

        memory/3876-8-0x00000000073A0000-0x0000000007400000-memory.dmp

        memory/3876-9-0x0000000009A40000-0x0000000009AA1000-memory.dmp

        memory/3932-10-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3932-12-0x0000000073530000-0x0000000073C1E000-memory.dmp

        memory/3932-17-0x0000000004A50000-0x0000000004A51000-memory.dmp

        memory/3932-18-0x0000000005570000-0x0000000005571000-memory.dmp