Overview

overview

10

Static

static

10

aboy.exe

windows7_x64

10

aboy.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    115s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 14:27

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General

  • Target

    aboy.exe

  • Size

    1.7MB

  • MD5

    bb3dfbcbd27132cf44010bc1962b0589

  • SHA1

    7add3bcd270764f89317e5efafca062d7eb79c65

  • SHA256

    77b075504525311927858132159eb2652d614ea6dd1492475ca3334be378c9c5

  • SHA512

    ef83cb10f9c537582e17eeb3eae11babb0e452feb0bf96b4281aa30f5c24fd4a7aeac2176e1c0b3fc94df085c4f5fc3f73d4458bbfa1361e0c4b54c2a50ced9f

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\Log.txt

Family

masslogger

Ransom Note
<|| v2.2.0.0 ||> User Name: Admin IP: 154.61.71.50 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: 5/20/2022 6:01:00 PM MassLogger Started: 5/20/2022 6:00:51 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\aboy.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 2 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
  • 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 5 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\aboy.exe
    "C:\Users\Admin\AppData\Local\Temp\aboy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Users\Admin\AppData\Local\Temp\aboy.exe
      "C:\Users\Admin\AppData\Local\Temp\aboy.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:2732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2732-134-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

    Download

  • memory/2732-135-0x0000000004FE0000-0x000000000507C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/2732-136-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/2732-137-0x0000000006F30000-0x0000000006F3A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/2732-138-0x00000000078F0000-0x0000000007940000-memory.dmp

    Filesize

    320KB

    Download

  • memory/4472-130-0x0000000000880000-0x0000000000A3C000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/4472-131-0x00000000059B0000-0x0000000005F54000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4472-132-0x00000000054A0000-0x0000000005532000-memory.dmp

    Filesize

    584KB

    Download