Overview

overview

10

Static

static

913a84bb99...94.exe

windows7_x64

10

913a84bb99...94.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    04/08/2020, 06:46

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    913a84bb99ccaad0edba9a6c252b2094.exe
  • Size 1.0MB
  • Sample200804-bltdr27njs
  • SHA256 709b84654b39c5359744acd7549de90b83b697f2d018becf42e77d36ad7fab90
  • MD5 SHA1 SHA512
Score
10/10
ransomwareupxspywarestealermasslogger

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\42EF15E83D\Log.txt

  • masslogger

Ransom Note
  • <|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 8/4/2020 8:46:30 AM MassLogger Started: 8/4/2020 8:46:22 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.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

  • Suspicious use of SetThreadContext 1 IoCs
  • NTFS ADS 1 IoCs
  • Drops startup file 1 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Suspicious behavior: EnumeratesProcesses 1357 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    stealerspywaremasslogger
  • Loads dropped DLL 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\913a84bb99ccaad0edba9a6c252b2094.exe
    "C:\Users\Admin\AppData\Local\Temp\913a84bb99ccaad0edba9a6c252b2094.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:748
      • C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.exe
        "C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        PID:1056
        • C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.exe
          "C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.exe"
          4⤵
          • Suspicious use of SetWindowsHookEx
          • Suspicious behavior: AddClipboardFormatListener
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1040
        • C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.exe
          "C:\Users\Admin\AppData\Roaming\appdata\dhdehvrv.exe" 2 1040 78998
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:1496

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/748-1-0x0000000000090000-0x0000000000091000-memory.dmp
        Download

        memory/1040-7-0x0000000000400000-0x0000000000541000-memory.dmp
        Download

        memory/1040-11-0x0000000000400000-0x0000000000541000-memory.dmp
        Download

        memory/1040-13-0x0000000000400000-0x0000000000541000-memory.dmp
        Download

        memory/1040-14-0x0000000001E80000-0x0000000001F1A000-memory.dmp
        Download

        memory/1040-15-0x00000000002D2000-0x00000000002D3000-memory.dmp
        Download

        memory/1040-16-0x0000000000350000-0x00000000003E3000-memory.dmp
        Download