Overview

overview

10

Static

static

CXEStNhBHVr8t4j.exe

windows7_x64

10

CXEStNhBHVr8t4j.exe

windows10_x64

3

Analysis

  • max time kernel
    101s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    17-07-2020 05:28

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General

  • Target

    CXEStNhBHVr8t4j.exe

  • Size

    1.6MB

  • MD5

    8ed41c5e460132f308df2d5de49efc1a

  • SHA1

    807c717590eeccddaa4130a2ada854f695999e5d

  • SHA256

    015da4d338b5ccb6a5ae37b29a30bdd80445280746011616535a26c60b4be0bb

  • SHA512

    81dfefcc925e0e358cabf3a73fe9787d9b13c7d0a42dbb1bf898fa4e6d1dd2d3bd68a25018b2c445b6a6cc474634729e3bcf931deb6be29464b78c5951d12722

Score
10/10
ransomwarespywarestealermasslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\E2C1E8F1FA\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/17/2020 5:29:45 AM MassLogger Started: 7/17/2020 5:29:39 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\CXEStNhBHVr8t4j.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Signatures

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    stealerspywaremasslogger
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

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

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

    spyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\CXEStNhBHVr8t4j.exe
    "C:\Users\Admin\AppData\Local\Temp\CXEStNhBHVr8t4j.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aNbaoNnYTFc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F9E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1812
    • C:\Users\Admin\AppData\Local\Temp\CXEStNhBHVr8t4j.exe
      "{path}"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:1796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1796-4-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1796-6-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1796-7-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download