Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14/11/2020, 18:12

General

  • Target
    fd487c8892d4d57d7efa830b72648b2c5234ba09a0dfdced267bf5943a1861a5.exe
  • Size 551KB
  • Sample201114-glh2tgrp4e
  • SHA256 fd487c8892d4d57d7efa830b72648b2c5234ba09a0dfdced267bf5943a1861a5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    srvc13.turhost.com

  • Port

    587

  • Password

    italik2015

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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd487c8892d4d57d7efa830b72648b2c5234ba09a0dfdced267bf5943a1861a5.exe
    "C:\Users\Admin\AppData\Local\Temp\fd487c8892d4d57d7efa830b72648b2c5234ba09a0dfdced267bf5943a1861a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QwaFpW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp387E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1692
    • C:\Users\Admin\AppData\Local\Temp\fd487c8892d4d57d7efa830b72648b2c5234ba09a0dfdced267bf5943a1861a5.exe
      "C:\Users\Admin\AppData\Local\Temp\fd487c8892d4d57d7efa830b72648b2c5234ba09a0dfdced267bf5943a1861a5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 516
        3⤵
          PID:576

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/576-7-0x0000000001E00000-0x0000000001E11000-memory.dmp

          memory/652-2-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/652-4-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/652-5-0x0000000000400000-0x000000000043C000-memory.dmp