Analysis

  • max time kernel
    77s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:43

General

  • Target

    New order (R.R) 1808202.exe

  • Size

    802KB

  • MD5

    26e0d9642410c40bc095fb579e4b2bc8

  • SHA1

    8b142703d79970003a0dfe108b3920a0181b97f2

  • SHA256

    a9f8d8a5503dca2d63d36e17041e6d065a6bf7bad41c000dd6d5a1e73d18d786

  • SHA512

    7a9bcab29cb487a8c7b8bc4bf12553504a8639cfb6108baee07e16d8a3abbde0614c4ed2f12f414370cc2395ee22b0c641c42ec40dc684c0935f12efddadb445

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.51 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 2:34:03 AM MassLogger Started: 5/21/2022 2:33:52 AM Interval: 3 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\New order (R.R) 1808202.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 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New order (R.R) 1808202.exe
    "C:\Users\Admin\AppData\Local\Temp\New order (R.R) 1808202.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\New order (R.R) 1808202.exe
      "C:\Users\Admin\AppData\Local\Temp\New order (R.R) 1808202.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:1352
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/960-55-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/960-56-0x0000000076571000-0x0000000076573000-memory.dmp

    Filesize

    8KB

  • memory/960-57-0x0000000004AD0000-0x0000000004B7E000-memory.dmp

    Filesize

    696KB

  • memory/960-54-0x0000000001350000-0x000000000141E000-memory.dmp

    Filesize

    824KB

  • memory/1160-68-0x0000000000000000-mapping.dmp

  • memory/1160-73-0x00000000704A0000-0x0000000070A4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1352-58-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-62-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-63-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-64-0x00000000004B2CFE-mapping.dmp

  • memory/1352-66-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-69-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-61-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-71-0x0000000000D20000-0x0000000000D98000-memory.dmp

    Filesize

    480KB

  • memory/1352-59-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1352-74-0x0000000004C05000-0x0000000004C16000-memory.dmp

    Filesize

    68KB