Analysis

  • max time kernel
    61s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:53

General

  • Target

    Order Inquiry List With 3D Artwork.exe

  • Size

    881KB

  • MD5

    b9d10f4408bf860a0a8b6243083ea0b4

  • SHA1

    25097e3d867496c1e0b1958283dfacd4cb10ff1e

  • SHA256

    a95841c0ebc43b93e86d68701817f8d3401a92e9f65a8b6a8faf66de97f9bb7d

  • SHA512

    218fec5a9cb9e073e58629b18c5b4995beed7a4e0bf3fdce18a389ecb0f43255b105dcabe67a2440e1372825645922d761c278105753324b181f448abbde2a4b

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 3:18:02 AM MassLogger Started: 5/21/2022 3:17:52 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order Inquiry List With 3D Artwork.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 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 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List With 3D Artwork.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List With 3D Artwork.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List With 3D Artwork.exe
      "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List With 3D Artwork.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:864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/864-65-0x00000000004B2FAE-mapping.dmp
  • memory/864-64-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/864-72-0x0000000004765000-0x0000000004776000-memory.dmp
    Filesize

    68KB

  • memory/864-70-0x0000000002230000-0x00000000022A8000-memory.dmp
    Filesize

    480KB

  • memory/864-69-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/864-59-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/864-67-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/864-63-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/864-60-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/864-62-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1312-54-0x0000000000CA0000-0x0000000000D82000-memory.dmp
    Filesize

    904KB

  • memory/1312-55-0x00000000021D0000-0x00000000022AC000-memory.dmp
    Filesize

    880KB

  • memory/1312-58-0x00000000005C0000-0x00000000005D2000-memory.dmp
    Filesize

    72KB

  • memory/1312-57-0x0000000000350000-0x0000000000360000-memory.dmp
    Filesize

    64KB

  • memory/1312-56-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
    Filesize

    8KB