Overview

overview

10

Static

static

bcde524b77...ac.exe

windows7_x64

bcde524b77...ac.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    70s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/04/2022, 08:54

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General

  • Target

    bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac.exe

  • Size

    3.6MB

  • MD5

    d7b5f741b131e84ea235a91b764c3c0f

  • SHA1

    5a7e79cba6eaaddc5366bff39be33f5246f21e8c

  • SHA256

    bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac

  • SHA512

    2118dffcbf7a50c972b7a19f5525573b3cf4713fc49c9c4ceb0b114d4948f8256ee8105bbab958adca2c7bb4a8dd31472f1532b7e72e0b9447f665fbeced1035

Score
10/10
massloggercollectionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\EEB932C954\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 4/15/2022 1:18:41 PM MassLogger Started: 4/15/2022 1:18:29 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> 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 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 42 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac.exe
    "C:\Users\Admin\AppData\Local\Temp\bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac.exe
      "C:\Users\Admin\AppData\Local\Temp\bcde524b772c9f744261208f01f33f0229342d619deb4d31b83bde042a9020ac.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:3760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2508-130-0x0000000000310000-0x00000000006B2000-memory.dmp

    Filesize

    3.6MB

    Download

  • memory/3760-132-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

    Download

  • memory/3760-133-0x0000000005D60000-0x0000000006304000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3760-134-0x0000000005850000-0x00000000058EC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3760-135-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3760-136-0x0000000005C70000-0x0000000005D02000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3760-137-0x00000000073B0000-0x00000000073BA000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3760-138-0x0000000003453000-0x0000000003455000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3760-139-0x0000000007DD0000-0x0000000007E20000-memory.dmp

    Filesize

    320KB

    Download