Analysis

  • max time kernel
    62s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 14:24

General

  • Target

    QUOTE PRICES IN USD.exe

  • Size

    864KB

  • MD5

    1120a77cf247c7280324fbe983c116b9

  • SHA1

    b983296cee73f1cbb8280ba019f4970d2bf23e02

  • SHA256

    02fcb6cdd4b61cbf7f40448784a36d0067e618cac935aebf6fd6f482af076ba3

  • SHA512

    fce768723f21ba1334b4867c260a8f7c49fb3879d586eca3747aa2ef76aaa7607a2ed7ff630318056e1f0378caaa255135eb114569963e4ebad4a7fa0d9e0544

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> 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: 5/20/2022 5:32:38 PM MassLogger Started: 5/20/2022 5:32:26 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> 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.

  • MassLogger Main Payload 6 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.

  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • 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 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe"
      2⤵
        PID:2004
      • C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe
        "C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe"
        2⤵
          PID:1972
        • C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe
          "C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe"
          2⤵
            PID:2024
          • C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe
            "C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe"
            2⤵
              PID:2028
            • C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.exe
              "C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.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:1768

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          1
          T1082

          Collection

          Data from Local System

          1
          T1005

          Email Collection

          1
          T1114

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/664-54-0x0000000000060000-0x000000000013E000-memory.dmp
            Filesize

            888KB

          • memory/664-55-0x0000000004B80000-0x0000000004C5A000-memory.dmp
            Filesize

            872KB

          • memory/664-56-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
            Filesize

            8KB

          • memory/664-57-0x00000000005E0000-0x00000000005F0000-memory.dmp
            Filesize

            64KB

          • memory/664-58-0x0000000001EE0000-0x0000000001EF2000-memory.dmp
            Filesize

            72KB

          • memory/1768-59-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-60-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-62-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-63-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-64-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-65-0x00000000004B2BDE-mapping.dmp
          • memory/1768-67-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-69-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/1768-70-0x0000000004330000-0x00000000043A8000-memory.dmp
            Filesize

            480KB

          • memory/1768-72-0x0000000004485000-0x0000000004496000-memory.dmp
            Filesize

            68KB