Overview

overview

10

Static

static

e0233e3d23...b9.exe

windows7_x64

10

e0233e3d23...b9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    79s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-04-2022 05:30

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General

  • Target

    e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9.exe

  • Size

    1.2MB

  • MD5

    d6c097f46ec91b48fa94cad04d05b8b4

  • SHA1

    04eee12d1b239ec861980d2dd84534fa4e379795

  • SHA256

    e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9

  • SHA512

    d4edd019a60b6f681208bfaef7517a6a299887c98fcc91f85aeb24ccdf8a7ec2dd4dfe1215f7628f4dfd5f0d5eee5d49ae4be61c6ccf239c7eb54da7652c890b

Score
10/10
massloggercollectionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\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 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 4/20/2022 6:02:14 AM MassLogger Started: 4/20/2022 6:02:03 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> 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

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 6 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9.exe
    "C:\Users\Admin\AppData\Local\Temp\e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9.exe
      "C:\Users\Admin\AppData\Local\Temp\e0233e3d234ae8b8eb6b8ca9c9c786ebfe8ae0adebd67fde7221dee9702269b9.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1348-64-0x00000000004941AE-mapping.dmp

    Download

  • memory/1348-63-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1348-72-0x00000000021A0000-0x00000000021B4000-memory.dmp

    Filesize

    80KB

    Download

  • memory/1348-71-0x0000000002235000-0x0000000002246000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1348-58-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1348-59-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1348-69-0x0000000000370000-0x00000000003B4000-memory.dmp

    Filesize

    272KB

    Download

  • memory/1348-62-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1348-61-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1348-68-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1348-66-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1684-54-0x0000000000AF0000-0x0000000000C2A000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1684-55-0x00000000752D1000-0x00000000752D3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1684-57-0x0000000002030000-0x000000000204C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1684-56-0x0000000002170000-0x000000000220C000-memory.dmp

    Filesize

    624KB

    Download