General

  • Target

    e54d51089e6919d089bb8822aa217cb52c091e02e226ac77f44d1d3c6b00f30c

  • Size

    952KB

  • Sample

    220520-3mwy2acahp

  • MD5

    9645a5b8524f8681957d374758ae4c47

  • SHA1

    506082ba45f8519c413f0a60251e149c62b4e1fb

  • SHA256

    e54d51089e6919d089bb8822aa217cb52c091e02e226ac77f44d1d3c6b00f30c

  • SHA512

    6a841b014868e38d0bf6933e13a662fa9456f1991421b93bb209c55d24dc168f3848fc9c5b9f7e9fd3edb66f7f789138c3c42bc88266470b0f99f8eab8dd2227

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 127.0.0.1 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 1:46:46 AM MassLogger Started: 5/21/2022 1:46:17 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Purchase Order Sample.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Downloader ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    08085892400

Targets

    • Target

      Purchase Order Sample.exe

    • Size

      1.1MB

    • MD5

      62cab4e17234f2f9845bf22b71e39613

    • SHA1

      e2ea503f6a6207c9fb3380a3e8533966616330f0

    • SHA256

      f38a6d59735df60c2612686710b66c44a0042b7df2fe97e048fc6e480ce4848c

    • SHA512

      5f5089905544946fd65efae11a5355ef62e868b5bacae13f08615d38f7c3bb673788610c6026b0e4d645a359d39447bbcba03510a11e731c54876eb18d147e4a

    • 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.

    • 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