Analysis

  • max time kernel
    79s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 18:52

General

  • Target

    Order Inquiry List.exe

  • Size

    1.2MB

  • MD5

    4c812fc87fce65e0cb5011a55b453200

  • SHA1

    6a92d646c4858b718b10bbd2a5a41faab41a25a9

  • SHA256

    ea23ee7d6471b33c86c5eac4f96c09f060aaf5fcb7847b4ebc386a16871ee64c

  • SHA512

    32360dbfc573335d91f8b5a67dce3830ee72614d342ff4b717924393af3bbc0d0e0d009d4baec786fadaf3c5d6e2782b1fc01368b96a4344803b1943222c1ba9

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\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: 5/21/2022 8:54:01 PM MassLogger Started: 5/21/2022 8:53:54 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> 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.

  • 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.

  • 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 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 8 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\Order Inquiry List.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
      "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
      2⤵
        PID:1264
      • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
        "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
        2⤵
          PID:2000
        • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
          "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
          2⤵
            PID:1828
          • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
            "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
            2⤵
              PID:2028
            • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
              "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.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:2012

          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/1960-54-0x0000000000200000-0x0000000000338000-memory.dmp
            Filesize

            1.2MB

          • memory/1960-55-0x0000000075A61000-0x0000000075A63000-memory.dmp
            Filesize

            8KB

          • memory/1960-56-0x00000000003D0000-0x00000000003E0000-memory.dmp
            Filesize

            64KB

          • memory/1960-57-0x0000000005870000-0x0000000005964000-memory.dmp
            Filesize

            976KB

          • memory/1960-58-0x0000000005280000-0x0000000005348000-memory.dmp
            Filesize

            800KB

          • memory/2012-59-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-60-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-62-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-63-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-65-0x00000000004B34AE-mapping.dmp
          • memory/2012-64-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-67-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-69-0x0000000000400000-0x00000000004B8000-memory.dmp
            Filesize

            736KB

          • memory/2012-70-0x0000000004420000-0x0000000004498000-memory.dmp
            Filesize

            480KB

          • memory/2012-72-0x0000000004F15000-0x0000000004F26000-memory.dmp
            Filesize

            68KB