Analysis

  • max time kernel
    135s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    03/05/2021, 04:57

General

  • Target
    SecuriteInfo.com.Trojan.Win32.Save.a.1532.30053.exe
  • Size 780KB
  • Sample210503-4qspjjwbcx
  • SHA256 20307f9c8eb3da30dbf30172ebf4e810e44d527196d8c633cea1f10dd118b36b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    wasstech.com

  • Port

    587

  • Password

    Sunray2700@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.1532.30053.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.1532.30053.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1628

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1080-60-0x00000000009C0000-0x00000000009C1000-memory.dmp

        memory/1080-62-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

        memory/1080-63-0x00000000006A0000-0x00000000006AE000-memory.dmp

        memory/1080-64-0x00000000050D0000-0x0000000005182000-memory.dmp

        memory/1080-65-0x0000000005920000-0x0000000005995000-memory.dmp

        memory/1628-66-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1628-68-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1628-70-0x0000000000640000-0x0000000000641000-memory.dmp