General

  • Target

    ffa42817c278cdaf83d0bbd470fe876bdbb54c0fa60f3623ef40539b46128217

  • Size

    558KB

  • Sample

    220521-b5jymsgahp

  • MD5

    24fdfa72c81c090c67fd43cdafe122f0

  • SHA1

    e44bd57ae5ff53f8b67d3685ab5ee5b2182baac7

  • SHA256

    ffa42817c278cdaf83d0bbd470fe876bdbb54c0fa60f3623ef40539b46128217

  • SHA512

    f3f28cfa3482982431f1472faf58ccc09af483ca9d1ea54c96770171ac7b7f483f88dfe10196be0d975b46b0398cdacdac5250d3cfca9db681ec86ad0cf1eea9

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 4:35:25 AM MassLogger Started: 5/21/2022 4:35:18 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO0058-02702020.exe MassLogger Melt: false MassLogger Exit after delivery: true 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 ||> Disabled

Targets

    • Target

      PO0058-02702020.exe

    • Size

      568KB

    • MD5

      98701aace2269de8ef0c0f54bb6bd4ed

    • SHA1

      b994670a217992d1989b0fc8166a60e726c0d14e

    • SHA256

      ae02063e5b0d9b107879b58b227adfe48eae5be7836975405403a6aa03598dcc

    • SHA512

      d71fdf62e3b4532936bb0a3665a0101214b4afee7c2be09e28dc8f6c403c626b507bb770ffc0814cc22878e4f49ed51baf730bf9b35e55a21d9020686f4f73b2

    • MassLogger

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

    • 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.

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