Overview

overview

10

Static

static

doc_003784...ls.exe

windows7_x64

10

doc_003784...ls.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    132s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 14:11

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General

  • Target

    doc_003784_116372_inquiry.xls.exe

  • Size

    1.2MB

  • MD5

    fd168c1972077f518b9a3024d5b20f9b

  • SHA1

    01ea9bf73da5fe8554a675903246a7f38a837d6a

  • SHA256

    b3bdc62981bcde4ee28317404b4154f0f8b7e2fc7297c80c9b45b842e4f6708f

  • SHA512

    0a21502e70a2c213db193af97f66ba62fa1588fc9c0ed8977af2f9493d414b5ab4c2dc5edde54c9a1c9ce80325817bc046864b48665b5de9082100b6ec242bca

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\F95B724EDE\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 5:30:01 PM MassLogger Started: 5/20/2022 5:29:57 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.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 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 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\doc_003784_116372_inquiry.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.exe
      "C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.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:3460

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2288-130-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/3460-132-0x0000000000C10000-0x0000000000CD4000-memory.dmp

    Filesize

    784KB

    Download

  • memory/3460-133-0x0000000000C10000-0x0000000000CD4000-memory.dmp

    Filesize

    784KB

    Download

  • memory/3460-134-0x0000000004E20000-0x00000000053C4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3460-135-0x0000000004C70000-0x0000000004D0C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3460-136-0x0000000004D90000-0x0000000004DF6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3460-137-0x0000000005730000-0x00000000057C2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3460-138-0x0000000006C80000-0x0000000006C8A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3460-139-0x0000000006BF0000-0x0000000006C40000-memory.dmp

    Filesize

    320KB

    Download