Analysis

  • max time kernel
    89s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07/07/2020, 17:20

General

  • Target

    DHL-#AWB130501923096.pdf.exe

  • Size

    565KB

  • MD5

    526a0c82c33a016f1ca7ba7389a2abfa

  • SHA1

    21889035194e5184ec8ad24a4c7454a289457ac9

  • SHA256

    fa1996ef1afee946b4386f49613daa9aae54eb4f04064d78d411843ae7a7fe43

  • SHA512

    e40f2e56f162a91bb560fe25ecc0fae0b6e8e50483784b7d5049bd2efe4bff919226684684597c080ea1e791109479bf6dcf82fb3e34d5bc21f16ecee09a56ff

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    faith12AB

Signatures

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • 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.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096.pdf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:3932
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:3900
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:812

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3900-0-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB