General

  • Target

    38816306d8ef0a7fba0de311f98cd8d5adfd15749a5f4995294ff0c3a34c1e76

  • Size

    638KB

  • Sample

    220521-dpz12abbcm

  • MD5

    e5a7f1ea29738d1e2402ac0afe7d05d1

  • SHA1

    e58991e2d5453d3c19baf6f6adda2f86a66ec2ff

  • SHA256

    38816306d8ef0a7fba0de311f98cd8d5adfd15749a5f4995294ff0c3a34c1e76

  • SHA512

    6743a2d105cb1ac94c5a01fd16395fb99551ab75b514c261e3a1f1ce678c199973daca419521db26ca1c50aa50cf83def07ca31aaebbabcaa57c1f443deaa744

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\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 6:46:38 AM MassLogger Started: 5/21/2022 6:46:31 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Dijk Natural Order.pdf_____________________________________________________________________.exe MassLogger Melt: false MassLogger Exit after delivery: true As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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

      Dijk Natural Order.pdf_____________________________________________________________________.exe

    • Size

      1.6MB

    • MD5

      e7c451f315b71a66a7664da405c678f4

    • SHA1

      523a306ff0b072ce178b1e6e42336bfad604f3f1

    • SHA256

      797c64ffd02f4ed730fc195028cfe6b82928403e75a94d14f8f8de87510818e0

    • SHA512

      86b725fbdabb35b99963c8689e23240cceb2430ebde0bec2c2ea44b3433fa06fb11c8d73d6f7d4f6bba450cd2f2a331de98e9eb7a50f7726170ba34da484ba5f

    • 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.

    • Loads dropped DLL

    • 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