General

  • Target

    f61786d9a8bde45176d12a9d16a99c7d8e62dddd5138faa0ec38d6810bbb3269

  • Size

    848KB

  • Sample

    220520-rqvplagbh4

  • MD5

    c82f5a04ae02b1768d5e6278856bbb62

  • SHA1

    381018c0b8c4f21fcb474585b46be950f45bf3d6

  • SHA256

    f61786d9a8bde45176d12a9d16a99c7d8e62dddd5138faa0ec38d6810bbb3269

  • SHA512

    c2804eef3b664c7dc51d930e4454ab915c2f10f6add78633e8d191bccb3d2c235489b8214edea64e23beada89e38153a5b3023317c091a119bc360930eec6238

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: 5/20/2022 5:32:38 PM MassLogger Started: 5/20/2022 5:32:26 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\QUOTE PRICES IN USD.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

      QUOTE PRICES IN USD.exe

    • Size

      864KB

    • MD5

      1120a77cf247c7280324fbe983c116b9

    • SHA1

      b983296cee73f1cbb8280ba019f4970d2bf23e02

    • SHA256

      02fcb6cdd4b61cbf7f40448784a36d0067e618cac935aebf6fd6f482af076ba3

    • SHA512

      fce768723f21ba1334b4867c260a8f7c49fb3879d586eca3747aa2ef76aaa7607a2ed7ff630318056e1f0378caaa255135eb114569963e4ebad4a7fa0d9e0544

    • 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