Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:58

General

  • Target

    orden de compra_pdf___________________________________.exe

  • Size

    604KB

  • MD5

    d8538f1204d04e2c8e3fbea7f37f247e

  • SHA1

    c0f2b8a3b6195571713c71d7b18543eed3bfaced

  • SHA256

    6acc6132e2b715d36c680d06959661bc650756f8b464a5bc5bcdd8e6faa07a55

  • SHA512

    b112aa43fd24be88bc85f111fe82a53827c57dc3dd0e5f6e348f09f51ba1b0298a77ed65769927257da95be85a56ac07446fec00bc38e02796213d973e6d482e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.erneralduae.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nEV!EZo2

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe
      "C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\orden de compra_pdf___________________________________.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • memory/2512-136-0x0000000000000000-mapping.dmp

  • memory/2512-137-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2512-139-0x00000000062E0000-0x0000000006346000-memory.dmp

    Filesize

    408KB

  • memory/2512-140-0x00000000069D0000-0x0000000006A20000-memory.dmp

    Filesize

    320KB

  • memory/2784-130-0x00000000000F0000-0x000000000018E000-memory.dmp

    Filesize

    632KB

  • memory/2784-131-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

    Filesize

    624KB

  • memory/2784-132-0x0000000005130000-0x00000000056D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2784-133-0x0000000004C20000-0x0000000004CB2000-memory.dmp

    Filesize

    584KB

  • memory/2784-134-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

    Filesize

    40KB

  • memory/2784-135-0x0000000004E60000-0x0000000004EB6000-memory.dmp

    Filesize

    344KB