Overview

overview

10

Static

static

Ref-080720.exe

windows7_x64

10

Ref-080720.exe

windows10_x64

10

Analysis

  • max time kernel
    97s
  • max time network
    97s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08/08/2020, 08:15

Sharing

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General

  • Target
    Ref-080720.exe
  • Size 529KB
  • Sample200808-8d9vfd8waj
  • SHA256 8f3ad5ccb61c668f7fbbc009cf0ea27396dd4fe80c0adb7b6daa86b136308252
  • MD5 SHA1 SHA512
Score
10/10
keyloggerstealerspywaretrojanagenttesla

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.com
  • Port

    587
  • Username

    [email protected]
  • Password

    ezesundayngma

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.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Suspicious use of WriteProcessMemory 11 IoCs
  • AgentTesla Payload 3 IoCs
    keyloggerstealer
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ref-080720.exe
    "C:\Users\Admin\AppData\Local\Temp\Ref-080720.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:4024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xegzTOXr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA73.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:752
    • C:\Users\Admin\AppData\Local\Temp\Ref-080720.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:2980

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2980-2-0x0000000000400000-0x000000000045A000-memory.dmp
        Download