Overview

overview

10

Static

static

Original S...56.exe

windows7_x64

10

Original S...56.exe

windows10_x64

3

Analysis

  • max time kernel
    86s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19-07-2020 09:43

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General

  • Target

    Original Shipping Documents doc03602856.exe

  • Size

    431KB

  • MD5

    f133559d2608409694d4da0153db0d3b

  • SHA1

    2bb0c846d5378f6863573c6aabcbc175e868ea18

  • SHA256

    4f4e496ac1663d032c60be512df631de975531f5897bbe9e60f2660c844031ef

  • SHA512

    de93be84c36424006e934de0f47a5e29b496a1bc1c6d4b17958b8bf9bea064f2189cdb4348fc8e013f413e85247e69aabfcb374995a449083c12083e2396558f

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    drsaint1992101

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Original Shipping Documents doc03602856.exe
    "C:\Users\Admin\AppData\Local\Temp\Original Shipping Documents doc03602856.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIXfzuLNWhEQkG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E24.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1620
    • C:\Users\Admin\AppData\Local\Temp\Original Shipping Documents doc03602856.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1072-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

    Download

  • memory/1072-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

    Download

  • memory/1072-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

    Download