Overview

overview

10

Static

static

Bank State...df.exe

windows7_x64

10

Bank State...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 14:22

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General

  • Target

    Bank Statement_pdf.exe

  • Size

    899KB

  • MD5

    1c3985f5c3ad3e9a5394d093237ecd72

  • SHA1

    9d3c319ac9c93ed1227c7808f8a8a16b935a6fcf

  • SHA256

    e91593299dba4d7f9362c8d64e701413af0384f0f7ecca356ab138497f3a8e4d

  • SHA512

    3f3ce2ddac434d8bc8cb8f5c376b31e63d54ccfb809907542bb5b0f6094a01049ba6e15e20e5c6b3af815248e3ec6ea1993194b68eeb78743fd88c7ec5037511

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\19E979543A\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: 5/20/2022 5:48:07 PM MassLogger Started: 5/20/2022 5:47:58 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Bank Statement_pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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 2 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Statement_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Statement_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Local\Temp\Bank Statement_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Statement_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:3092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3092-130-0x0000000000000000-mapping.dmp

    Download

  • memory/3092-132-0x0000000000B90000-0x0000000000C2A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/3092-131-0x0000000000B90000-0x0000000000C2A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/3092-134-0x0000000004C90000-0x0000000005234000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3092-135-0x0000000004B80000-0x0000000004C1C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3092-136-0x0000000005240000-0x00000000052A6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3092-137-0x0000000005610000-0x00000000056A2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3092-138-0x0000000006430000-0x000000000643A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3092-139-0x0000000007BF0000-0x0000000007C40000-memory.dmp

    Filesize

    320KB

    Download

  • memory/5016-133-0x0000000000400000-0x00000000004E7000-memory.dmp

    Filesize

    924KB

    Download