masslogger

General

Target

ff9f73c57d1cf21e73311761d6ab69e59782bc63f3254a5f04e541b492beb3ba
Size

1.4MB
Sample

220521-b37xpachg8
MD5

430b1a59d711169c7b0ebdbe17b0124f
SHA1

5f8599b4ef9eb931ac595373e7961e18c097fca8
SHA256

ff9f73c57d1cf21e73311761d6ab69e59782bc63f3254a5f04e541b492beb3ba
SHA512

9f2cb164ddd0190dcf63f81b7215a772e527cfc4981eacb011e1306a55a4de87884181552aa423fc63a49e8747768713d329724dbf0c495171962855944c1f5f

Score

10^/10

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### 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 4:34:41 AM MassLogger Started: 5/21/2022 4:34:26 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F293CD6622\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro64bit 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 4:34:33 AM MassLogger Started: 5/21/2022 4:34:13 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
y8wG[wgBvT]F

Targets

- Target
  
  Q2020-07-466am.exe
- Size
  
  1.4MB
- MD5
  
  93a02efc3319e40884d86f0603d6073d
- SHA1
  
  df7966c6dda6c785ad4bcf5b7a49f0a99a9bc51e
- SHA256
  
  de7e69ec920dccdc40220e414a2d1b3bc05e53c5f5ea34e309bd3365aa5dae78
- SHA512
  
  620172b1822721b279eb1b92d288a2ee82056b77c91c59134edc1aa727524bee2e5211cc41d69e67b1dc1caf9c555e5f475b3fca97d3dd3b94b224443e5fc2c7
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