Overview

overview

10

Static

static

Wire Trans...nt.exe

windows7_x64

10

Wire Trans...nt.exe

windows10_x64

10

Analysis

  • max time kernel
    83s
  • max time network
    71s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:57

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General

  • Target
    Wire Transfer MT103 Overdue Invoices Payment.exe
  • Size 357KB
  • Sample201109-t241mtg916
  • SHA256 70e4aa516e9ac63bd4c4e4be1735ff75d250425fb7635f4267242d6798d35827
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    smtp.adenerqyeurope.co.uk
  • Port

    587
  • Username

    [email protected]
  • Password

    j0#c!nNq6iW%

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wire Transfer MT103 Overdue Invoices Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Wire Transfer MT103 Overdue Invoices Payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\orcHPGIOhYkzPQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8572.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2904
    • C:\Users\Admin\AppData\Local\Temp\Wire Transfer MT103 Overdue Invoices Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Wire Transfer MT103 Overdue Invoices Payment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3344
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1344

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/3344-2-0x0000000000400000-0x0000000000450000-memory.dmp
          Download