General

  • Target

    8b3efee83e420509df329db90bf2e024655797605887c605f2553b3e8d4c82cf

  • Size

    845KB

  • Sample

    220521-a8q1pabea8

  • MD5

    7b372f3d021b452c648229ba49e203fd

  • SHA1

    af8c6d46019981d4fc4ef994a1a3fcabf0bc4cb3

  • SHA256

    8b3efee83e420509df329db90bf2e024655797605887c605f2553b3e8d4c82cf

  • SHA512

    2b77809d591a234544a806bcd0c52817adebc08101a74e390f3fc3bc4c634548930d0d04197cf8e8bf11acb57a6d12ffdeef7e401101732c2064fb93462fc60d

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

Targets

    • Target

      Order Inquiry List With 3D Artwork.exe

    • Size

      881KB

    • MD5

      b9d10f4408bf860a0a8b6243083ea0b4

    • SHA1

      25097e3d867496c1e0b1958283dfacd4cb10ff1e

    • SHA256

      a95841c0ebc43b93e86d68701817f8d3401a92e9f65a8b6a8faf66de97f9bb7d

    • SHA512

      218fec5a9cb9e073e58629b18c5b4995beed7a4e0bf3fdce18a389ecb0f43255b105dcabe67a2440e1372825645922d761c278105753324b181f448abbde2a4b

    • 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.

    • Obfuscated with Agile.Net obfuscator

      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

      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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks