masslogger

General

Target
cb742e2a8edcb7fefee343bf1ea48fcb.exe
Size 980KB
Sample200831-em5rc7bwhx
SHA256 af6e245bb00d274560bb77dc4013850ec95df20159c3081b19ef99d236ad64dc
MD5 cb742e2a8edcb7fefee343bf1ea48fcb
SHA1 174d4f36aa4d797effcf9236479afdaf5869aef2
SHA512 56e6e790997370488cd62f22657f8cfd0830181645d059b42e303481bc4c6cad0aa7b6afa7d30bf9179af69376465579c76a9588473fc292677ea9579ee38797
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\42EF15E83D\Log.txt

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 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: 8/31/2020 7:32:09 AM MassLogger Started: 8/31/2020 7:32:02 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\hflfksf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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
  cb742e2a8edcb7fefee343bf1ea48fcb.exe
- Size 980KB
- SHA256 af6e245bb00d274560bb77dc4013850ec95df20159c3081b19ef99d236ad64dc
- MD5 cb742e2a8edcb7fefee343bf1ea48fcb
- SHA1 174d4f36aa4d797effcf9236479afdaf5869aef2
- SHA512 56e6e790997370488cd62f22657f8cfd0830181645d059b42e303481bc4c6cad0aa7b6afa7d30bf9179af69376465579c76a9588473fc292677ea9579ee38797
- MD5 SHA1 SHA512
Score

10^/10

ransomware upx spyware stealer masslogger
- MassLogger
  Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
  stealer spyware masslogger
- MassLogger log file
  Detects a log file produced by MassLogger.
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Drops startup file
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware
- 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
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

MassLogger log file

Executes dropped EXE

UPX packed file

Drops startup file

Loads dropped DLL

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

behavioral1

behavioral2