Analysis

  • max time kernel
    124s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    29/07/2020, 05:39

General

  • Target
    PDF_47568.exe
  • Size 582KB
  • Sample200729-sjmdbbc82x
  • SHA256 9649094a155e904fc28617746d9656d499d04da6944e5201fa322bd1cbe1a897
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.ru

  • Port

    587

  • Password

    @jaffinmarknma@344

Signatures

  • 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 data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF_47568.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF_47568.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1536
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8A3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:424
    • C:\Users\Admin\AppData\Local\Temp\PDF_47568.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:868

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/868-2-0x0000000000400000-0x000000000044C000-memory.dmp