Overview

overview

10

Static

static

10

INQUIRY No...df.exe

windows7_x64

10

INQUIRY No...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    81s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:54

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General

  • Target

    INQUIRY No. 310720205467_pdf.exe

  • Size

    1.2MB

  • MD5

    618c581392b7271abdf40a8b376e8324

  • SHA1

    64540d461fb9bfedeaf9df200c960970bea164fd

  • SHA256

    dccd0903a7912382f20b16beb29d93c14435e41ee655c2e88740879089d56fca

  • SHA512

    4501cc013e50a84968a9bb78ad585a31db8726226656e46bc4310d3843f479fd20531685b691845a170f61324277ce1d50b7b2be8662ace239f63a4f6fcf2311

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\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: 5/21/2022 12:59:45 AM MassLogger Started: 5/21/2022 12:59:38 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\INQUIRY No. 310720205467_pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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 Main Payload 8 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY No. 310720205467_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY No. 310720205467_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY No. 310720205467_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY No. 310720205467_pdf.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:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1372-54-0x0000000000120000-0x0000000000258000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1372-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1372-56-0x00000000005F0000-0x000000000060C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1372-57-0x00000000007F0000-0x00000000007FA000-memory.dmp

    Filesize

    40KB

    Download

  • memory/1716-58-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-59-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-61-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-62-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-64-0x000000000049441E-mapping.dmp

    Download

  • memory/1716-66-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-65-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-70-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-73-0x0000000000080000-0x000000000011A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/1716-74-0x0000000000810000-0x0000000000854000-memory.dmp

    Filesize

    272KB

    Download

  • memory/1716-76-0x0000000004555000-0x0000000004566000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1716-77-0x00000000042A0000-0x00000000042B4000-memory.dmp

    Filesize

    80KB

    Download