General

  • Target

    c74b4236eb38d0bf5d1fe43ab575879f4cf81d498250ecfcb1926bb519f77d18

  • Size

    835KB

  • Sample

    220521-clkaqshban

  • MD5

    b193a3dda86956225f21a4bf60e51686

  • SHA1

    22d6883792695c5a3783b4fc749d4df15376cc87

  • SHA256

    c74b4236eb38d0bf5d1fe43ab575879f4cf81d498250ecfcb1926bb519f77d18

  • SHA512

    92d6652828ab29e04029e12da702949d9feb787bb26cabf27485c644e9398c1e1684bafe2bf064f6d246077c2b8d893461dae87acd26f005daa33c05870fd438

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8506BBE7FF\Log.txt

Family

masslogger

Ransom Note
<|| v2.3.0.0 ||> User Name: Admin IP: 154.61.71.13 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 5:13:36 AM MassLogger Started: 5/21/2022 5:13:15 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Purchase Order.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 ||> Disabled

Extracted

Path

C:\Users\Admin\AppData\Local\F95B724EDE\Log.txt

Family

masslogger

Ransom Note
<|| v2.3.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:14:43 AM MassLogger Started: 5/21/2022 5:14:32 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Purchase Order.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 ||> Disabled

Targets

    • Target

      Purchase Order.exe

    • Size

      998KB

    • MD5

      c4eb73549663f5a0925826350281a9f7

    • SHA1

      6baef77aa43f56c23aa48b19ee7acec0f27213ec

    • SHA256

      d7269fff7321b7254a2a6ce7e6fb9b8347d73cb78597d73412b8d21344832e81

    • SHA512

      2ebeb53cf5229077d96b8bb2f93e7694baaa420d3c719c7156d9d28b1bf1f168da9bd2b095f3d0569dea2eef1a171609f538bfa95d02f0f596c6c3c429ef7f6e

    • MassLogger

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

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks