General

  • Target

    PO 202108 FOR JANUARY 2021.exe

  • Size

    1.5MB

  • Sample

    201231-a5wmwgrg72

  • MD5

    d6fedf690e4ea4ba0918f9deddeb9b7a

  • SHA1

    abb8d5664b096b6caa92993ffb75c3460f6cc7a0

  • SHA256

    828a9fae03e6a20158c58a659f27371fbe9a836199a3327fe5ef457115cf0206

  • SHA512

    5b3c0d624c76a5badb81c4fcb23137cee89736d4212016337a63f953a85ba033970e9f540cb63cf12bd876e0dfcfbed6a3a5817a734e8f53863d87baf0dec0cc

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\5FADD7138A\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 12/31/2020 7:48:39 AM MassLogger Started: 12/31/2020 7:48:35 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO 202108 FOR JANUARY 2021.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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

      PO 202108 FOR JANUARY 2021.exe

    • Size

      1.5MB

    • MD5

      d6fedf690e4ea4ba0918f9deddeb9b7a

    • SHA1

      abb8d5664b096b6caa92993ffb75c3460f6cc7a0

    • SHA256

      828a9fae03e6a20158c58a659f27371fbe9a836199a3327fe5ef457115cf0206

    • SHA512

      5b3c0d624c76a5badb81c4fcb23137cee89736d4212016337a63f953a85ba033970e9f540cb63cf12bd876e0dfcfbed6a3a5817a734e8f53863d87baf0dec0cc

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks