Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:16

General

  • Target

    SQQIWkxwM3mRaZ9.exe

  • Size

    571KB

  • MD5

    af89ddd5218877941705abe88a6d4acf

  • SHA1

    44fd904a5f541182dd0d5c4de09231a930a949d9

  • SHA256

    2739e1b0503de2aa0ea5e7775b2bb7277de949a30c948dc062237bd7ff43604f

  • SHA512

    1cd179654f0a95341ba1b01b2a96219d8bc775471cae2518d6a59efad8b3207173c294eede4f6a8ea6e8b9522a57b592002097ba5c413045efe68b70dc323e9f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.sparkasse-allgeau.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ZXda%q#7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SQQIWkxwM3mRaZ9.exe
    "C:\Users\Admin\AppData\Local\Temp\SQQIWkxwM3mRaZ9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\SQQIWkxwM3mRaZ9.exe
      "C:\Users\Admin\AppData\Local\Temp\SQQIWkxwM3mRaZ9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3148
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:5072

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2716-130-0x0000000000390000-0x0000000000424000-memory.dmp

      Filesize

      592KB

    • memory/2716-131-0x0000000007AB0000-0x0000000008054000-memory.dmp

      Filesize

      5.6MB

    • memory/2716-132-0x00000000076A0000-0x0000000007732000-memory.dmp

      Filesize

      584KB

    • memory/2716-133-0x0000000007640000-0x000000000764A000-memory.dmp

      Filesize

      40KB

    • memory/2716-134-0x0000000007930000-0x00000000079CC000-memory.dmp

      Filesize

      624KB

    • memory/3148-135-0x0000000000000000-mapping.dmp

    • memory/3148-136-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/3148-137-0x0000000006120000-0x0000000006186000-memory.dmp

      Filesize

      408KB

    • memory/3148-138-0x0000000006640000-0x0000000006690000-memory.dmp

      Filesize

      320KB

    • memory/5072-139-0x0000000000000000-mapping.dmp