Overview

overview

10

Static

static

5c53c9ed0e...b1.exe

windows7_x64

10

5c53c9ed0e...b1.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    75s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-05-2022 14:06

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General

  • Target

    5c53c9ed0e7e5258f5a1ff3c9532f93d69f751eea71aeb4120892cc40d71b3b1.exe

  • Size

    706KB

  • MD5

    1221cf82c65577bfb4f642fb442fbb62

  • SHA1

    ace62f69e307229eb11c6e4bae7ec098eadac59c

  • SHA256

    5c53c9ed0e7e5258f5a1ff3c9532f93d69f751eea71aeb4120892cc40d71b3b1

  • SHA512

    02e27f3c17ec0459b8059dd6e2279d9e9ee2f5a9ea670e69b6ce3ca9b2fee4dd905b4b2e2dca1f9df1f04b58037f206adbf09e6a39ed3bf13aa2c3980426e6c3

Score
10/10
massloggercollectionransomwarespywarestealer

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: 5/11/2022 2:28:42 PM MassLogger Started: 5/11/2022 2:28:29 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\5c53c9ed0e7e5258f5a1ff3c9532f93d69f751eea71aeb4120892cc40d71b3b1.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.

    stealerspywaremasslogger
  • 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
    collection
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c53c9ed0e7e5258f5a1ff3c9532f93d69f751eea71aeb4120892cc40d71b3b1.exe
    "C:\Users\Admin\AppData\Local\Temp\5c53c9ed0e7e5258f5a1ff3c9532f93d69f751eea71aeb4120892cc40d71b3b1.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Local\Temp\5c53c9ed0e7e5258f5a1ff3c9532f93d69f751eea71aeb4120892cc40d71b3b1.exe"'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1464

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/388-54-0x0000000000950000-0x0000000000A06000-memory.dmp

    Filesize

    728KB

    Download

  • memory/388-55-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

    Download

  • memory/388-56-0x0000000004540000-0x00000000045CE000-memory.dmp

    Filesize

    568KB

    Download

  • memory/388-57-0x0000000076C81000-0x0000000076C83000-memory.dmp

    Filesize

    8KB

    Download

  • memory/388-59-0x000000000A690000-0x000000000A748000-memory.dmp

    Filesize

    736KB

    Download

  • memory/388-61-0x0000000004480000-0x00000000044F8000-memory.dmp

    Filesize

    480KB

    Download

  • memory/388-63-0x0000000002045000-0x0000000002056000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1464-58-0x0000000000000000-mapping.dmp

    Download

  • memory/1464-62-0x00000000704D0000-0x0000000070A7B000-memory.dmp

    Filesize

    5.7MB

    Download