Overview

overview

10

Static

static

27e541d835...aa.exe

windows7_x64

10

27e541d835...aa.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    98s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 15:36

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General

  • Target

    27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.exe

  • Size

    558KB

  • MD5

    fec3d86742243379f96c7b0489c5e65c

  • SHA1

    a034110afeeec6a694e8a89318efda0d202e6331

  • SHA256

    27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa

  • SHA512

    db5c3c014499fd053031ba7e9ce8337d6ac20b2805daab98b7cb02f8f24b23864c35c04d50302fe8a419ff84f405016b26e8547580d80a794f8482bfebe9824f

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> 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: 5/12/2022 5:39:55 PM MassLogger Started: 5/12/2022 5:39:40 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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 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
  • 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 behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.exe
    "C:\Users\Admin\AppData\Local\Temp\27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Local\Temp\27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.exe"'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1780-54-0x00000000008E0000-0x0000000000972000-memory.dmp

    Filesize

    584KB

    Download

  • memory/1780-55-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

    Download

  • memory/1780-56-0x00000000006F0000-0x000000000077C000-memory.dmp

    Filesize

    560KB

    Download

  • memory/1780-57-0x00000000763C1000-0x00000000763C3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1780-59-0x0000000004B10000-0x0000000004BC8000-memory.dmp

    Filesize

    736KB

    Download

  • memory/1780-61-0x0000000005010000-0x0000000005088000-memory.dmp

    Filesize

    480KB

    Download

  • memory/1780-63-0x00000000004F5000-0x0000000000506000-memory.dmp

    Filesize

    68KB

    Download

  • memory/2012-62-0x000000006FC20000-0x00000000701CB000-memory.dmp

    Filesize

    5.7MB

    Download