Overview

overview

10

Static

static

70854162b5...3a.exe

windows7_x64

10

70854162b5...3a.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    15-04-2022 00:51

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General

  • Target

    70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a.exe

  • Size

    1.6MB

  • MD5

    aaaf9e059584c8d2537ba2dbda105c73

  • SHA1

    bdcff61aeeef73e153a9498e97ea04b18037799e

  • SHA256

    70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a

  • SHA512

    724f1d5bbdfb67b2209b9da02841513ab30eb00857bcf3d04ea7047e9c4f05b6217e958659cc9d762d76d6905ba1dd812c0c6ce9df45ec476ae5564afad5fead

Score
10/10
massloggercollectionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\5A22B5680F\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> 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 3:11:37 AM MassLogger Started: 4/15/2022 3:11:28 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a.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 1 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 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 2 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\70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a.exe
    "C:\Users\Admin\AppData\Local\Temp\70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Local\Temp\70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a.exe
      "C:\Users\Admin\AppData\Local\Temp\70854162b5f390eb75d838c3cab070563c62d041256ebdcb3c8d567f1a86e43a.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:2260

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1532-134-0x0000000000E10000-0x0000000000FB8000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1532-135-0x0000000005F40000-0x00000000064E4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/1532-136-0x0000000005990000-0x0000000005A22000-memory.dmp

    Filesize

    584KB

    Download

  • memory/1532-137-0x0000000005960000-0x000000000596A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/2260-138-0x0000000000000000-mapping.dmp

    Download

  • memory/2260-139-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/2260-140-0x00000000058D0000-0x000000000596C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/2260-141-0x0000000005A30000-0x0000000005A96000-memory.dmp

    Filesize

    408KB

    Download

  • memory/2260-142-0x0000000005973000-0x0000000005975000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2260-143-0x0000000008930000-0x0000000008980000-memory.dmp

    Filesize

    320KB

    Download