Overview

overview

10

Static

static

Bestellnum...__.exe

windows7_x64

10

Bestellnum...__.exe

windows10_x64

1

Analysis

  • max time kernel
    115s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    24/07/2020, 10:55

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General

  • Target
    Bestellnummer 4115272-072020.PDF________.exe
  • Size 817KB
  • Sample200724-kbl14ezzmn
  • SHA256 ac20f8f16efd13ea704488eb43b1a761f9e26bcdc70ac70d57cb15cbdab200bb
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.com
  • Port

    587
  • Username

    [email protected]
  • Password

    opjis0123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • 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 SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bestellnummer 4115272-072020.PDF________.exe
    "C:\Users\Admin\AppData\Local\Temp\Bestellnummer 4115272-072020.PDF________.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:736

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/736-4-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/736-7-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/736-8-0x0000000000400000-0x000000000044C000-memory.dmp
        Download