Overview

overview

10

Static

static

ENQUIRY.exe

windows7_x64

10

ENQUIRY.exe

windows10_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    14/09/2020, 15:36

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General

  • Target
    ENQUIRY.exe
  • Size 654KB
  • Sample200914-58adtcnl3e
  • SHA256 082c20b7ce84dae638bcaecef84a954adf251ddf11fb2038ea3ad95e48c3d7ba
  • MD5 SHA1 SHA512
Score
10/10
keyloggerstealerevasionspywaretrojanagentteslapersistence

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.anartem.pt
  • Port

    587
  • Username

    [email protected]
  • Password

    oo=GI1st9,Nq

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
    keyloggerstealer
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QiRXnwPvZtdC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD32.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1528
    • C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe
      "C:\Users\Admin\AppData\Local\Temp\ENQUIRY.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2476

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2476-2-0x0000000000400000-0x0000000000466000-memory.dmp
        Download