Overview

overview

10

Static

static

PO4500015946.exe

windows7_x64

10

PO4500015946.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    41s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    02-05-2022 15:11

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General

  • Target

    PO4500015946.exe

  • Size

    1.0MB

  • MD5

    382276d6658a59ab571cf5c314733990

  • SHA1

    64d83a925e1a791f906d907b5094a913cc4d24a4

  • SHA256

    fc03d41d9bac8d78e1d829039f24f2f7066ded44a70c4126045c553015bbe957

  • SHA512

    4d3a224946704bb6f5b7ff5a6a8ed9994bb55f25982f4838b2f2c298a9a34575d86e1efcaabaffbf1dd7fe41464f6a4f0765ed52e09e19815c924095c077a733

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.50 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: 5/2/2022 5:54:45 PM MassLogger Started: 5/2/2022 5:54:34 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO4500015946.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\PO4500015946.exe
    "C:\Users\Admin\AppData\Local\Temp\PO4500015946.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\PO4500015946.exe
      "C:\Users\Admin\AppData\Local\Temp\PO4500015946.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:1212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1212-55-0x000000000053F900-mapping.dmp

    Download

  • memory/1212-56-0x0000000001EC0000-0x0000000001F5A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1212-57-0x0000000001EC0000-0x0000000001F5A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1212-60-0x0000000004A90000-0x0000000004AD4000-memory.dmp

    Filesize

    272KB

    Download

  • memory/1212-61-0x0000000004BB5000-0x0000000004BC6000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1212-62-0x0000000005810000-0x0000000005824000-memory.dmp

    Filesize

    80KB

    Download

  • memory/2020-54-0x00000000755C1000-0x00000000755C3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2020-59-0x0000000000400000-0x000000000050A000-memory.dmp

    Filesize

    1.0MB

    Download