Overview

overview

10

Static

static

Invoice No...58.exe

windows7_x64

10

Invoice No...58.exe

windows10_x64

10

Analysis

  • max time kernel
    113s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/07/2020, 09:36

Sharing

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General

  • Target
    Invoice No -TD40-41-0558.exe
  • Size 913KB
  • Sample200720-3jxvptrznx
  • SHA256 6bab78869dbbef0f84e21ff64ef79e4d2f5b5c672b3d8ef48dc520c674b81c5d
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.chenklins.com
  • Port

    587
  • Username

    [email protected]
  • Password

    7AY8Uj[tEN)a

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice No -TD40-41-0558.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice No -TD40-41-0558.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SPodmUoY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9471.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1752
    • C:\Users\Admin\AppData\Local\Temp\Invoice No -TD40-41-0558.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1880

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1880-4-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1880-6-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1880-7-0x0000000000400000-0x000000000044C000-memory.dmp
        Download