Overview

overview

10

Static

static

CONFIRMED ...20.exe

windows7_x64

10

CONFIRMED ...20.exe

windows10_x64

3

Analysis

  • max time kernel
    87s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    02/07/2020, 13:27

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General

  • Target
    CONFIRMED PI NO. TB052-20.exe
  • Size 395KB
  • Sample200702-wjszms7zjs
  • SHA256 c12f2679528a891c228349ece6948a4696fb1a99bde47a2bcbcac0ef1eefba83
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.mytecheng.com
  • Port

    587
  • Username

    [email protected]
  • Password

    Pakistan@321

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    persistence
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONFIRMED PI NO. TB052-20.exe
    "C:\Users\Admin\AppData\Local\Temp\CONFIRMED PI NO. TB052-20.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CAkqoejCP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB605.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1088
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:1660
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
          3⤵
          • Modifies registry key
          PID:1592

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1772-4-0x0000000000400000-0x0000000000450000-memory.dmp
          Download

          memory/1772-6-0x0000000000400000-0x0000000000450000-memory.dmp
          Download

          memory/1772-7-0x0000000000400000-0x0000000000450000-memory.dmp
          Download