Overview

overview

10

Static

static

Request Fo...AC.exe

windows7_x64

10

Request Fo...AC.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:18

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General

  • Target

    Request For Quotation - 808923AC.exe

  • Size

    1.1MB

  • MD5

    77d3a40e32e4c9cc91d2084d6b5f348a

  • SHA1

    6db4d154a11866ba7f603248157f5f533e6ab716

  • SHA256

    0f827a522bec00f64e7c734f68677414a25c732f83e7c9def21299a0d8a0f8c4

  • SHA512

    d677fbd3bab91fbe35f47e38b797182ef8c4cd869a3beb97bfe15b95a6556c887d25f6d6e87d9f3f60daf8735894ec83043d846a98eb73cdadee2a4daea8f69d

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\F95B724EDE\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 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: 5/21/2022 3:47:15 AM MassLogger Started: 5/21/2022 3:47:11 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Request For Quotation - 808923AC.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Downloader ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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 ||> Disabled

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 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request For Quotation - 808923AC.exe
    "C:\Users\Admin\AppData\Local\Temp\Request For Quotation - 808923AC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TTNkEUoh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp564E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1104
    • C:\Users\Admin\AppData\Local\Temp\Request For Quotation - 808923AC.exe
      "{path}"
      2⤵
        PID:2040
      • C:\Users\Admin\AppData\Local\Temp\Request For Quotation - 808923AC.exe
        "{path}"
        2⤵
          PID:2516
        • C:\Users\Admin\AppData\Local\Temp\Request For Quotation - 808923AC.exe
          "{path}"
          2⤵
          • Checks computer location settings
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:3852

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp564E.tmp
        Filesize

        1KB

        MD5

        287d5d210fa256e2c2179f236ac317ec

        SHA1

        1133816db0d697e97ff64f4b168bad46cdc9d749

        SHA256

        f82cc7a6f5728ec4453e6e996619e36f923a5adbaab0dbfac89b8bd1a991c748

        SHA512

        c581379edf7f2453cf5ae124b5ee3351a0d2ce0d8aacc9ab1bd0ca1f81c229bb213f7626511d5f777dc4844575d521377a5ae3fce6796a03211cc598d9492224

        Download Submit

      • memory/1104-134-0x0000000000000000-mapping.dmp

        Download

      • memory/2040-136-0x0000000000000000-mapping.dmp

        Download

      • memory/2516-137-0x0000000000000000-mapping.dmp

        Download

      • memory/2992-133-0x00000000052B0000-0x000000000534C000-memory.dmp

        Filesize

        624KB

        Download

      • memory/2992-130-0x00000000006B0000-0x00000000007C6000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/2992-132-0x0000000005170000-0x0000000005202000-memory.dmp

        Filesize

        584KB

        Download

      • memory/2992-131-0x0000000005620000-0x0000000005BC4000-memory.dmp

        Filesize

        5.6MB

        Download

      • memory/3852-138-0x0000000000000000-mapping.dmp

        Download

      • memory/3852-139-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/3852-140-0x00000000058D0000-0x0000000005936000-memory.dmp

        Filesize

        408KB

        Download

      • memory/3852-141-0x0000000007310000-0x000000000731A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/3852-142-0x00000000073A0000-0x00000000073F0000-memory.dmp

        Filesize

        320KB

        Download