masslogger

General

Target

d33ee6619b671295dfd9a8599eff6bfba63f4b71811d1c304e0132caa36543bc
Size

485KB
Sample

220521-chxfwshaak
MD5

db93b9c0edb07b840e95fd5fdbfb0951
SHA1

1d017bed1e231bca5e887c623a12438d0f5f9f51
SHA256

d33ee6619b671295dfd9a8599eff6bfba63f4b71811d1c304e0132caa36543bc
SHA512

9b1e06631929648ab1d6c0c00c0678d687ea5da0f4ccf12babee78e42437eda8fb5fa5520696ad281b5a692e2c27e6fd7f1609e63fb2f2aca179b8eb7d082b1e

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> 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 5:08:21 AM MassLogger Started: 5/21/2022 5:08:10 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RegAsm.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 ||> Disabled

Extracted

Path

C:\Users\Admin\AppData\Local\781F780B4E\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 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 3:08:23 AM MassLogger Started: 5/21/2022 3:08:20 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RegAsm.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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
  
  img_0933.exe
- Size
  
  1.4MB
- MD5
  
  f8d0bab3e3367fbd94c1f82eb33714e7
- SHA1
  
  e457ae2ad469dd932300a02a4e3b9c03010d5e31
- SHA256
  
  cc6b0848a3a848c9ee7ce3f63d1e3f95393f6593140e2aab400146c06e593793
- SHA512
  
  0064460f534399a26e4dd2e29804c3f8b7cd3d8b97808a9ae713c6e7eed0facd621ed3d98f3dad1b655ed051e069fbb9e513b1d51d0ccf61bfde30f668c65784
Score

10^/10

masslogger collection persistence ransomware spyware stealer
- MassLogger
  Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
  stealer spyware masslogger
- MassLogger Main Payload
- MassLogger log file
  Detects a log file produced by MassLogger.
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Adds Run key to start application
  persistence
- 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