masslogger

General

Target

b62f38d60a4f53da440dbccf7c6de49d995260118a36b820fab0d8924108b96d
Size

727KB
Sample

220524-zvwrfsbhel
MD5

343f094ae90929caf113e44b872f020e
SHA1

8baeae865280b0e701055497ba4814d87f8a10a7
SHA256

b62f38d60a4f53da440dbccf7c6de49d995260118a36b820fab0d8924108b96d
SHA512

52b1ac86731f18cca4e1573519a97d6605439166802f75d8bce76c14954e20fe66e7adf2866daafcc21bc389028074d47449a7a426615e53ef1ca0f5198f5da2

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 9:04:16 PM MassLogger Started: 5/24/2022 9:04:09 PM Interval: 9 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.blackpearl-tours.com
Port:
587
Username:
[email protected]
Password:
ahmad@12mahfouz$

Targets

- Target
  
  INVOICE USA LIST.exe
- Size
  
  745KB
- MD5
  
  d661c9e364745c8487438ee2dc1bdb6c
- SHA1
  
  ac7ec5bc8c699ab69d4677ab7b645d8a9111ebda
- SHA256
  
  1e82507cd7b999f2ffa46f4591486b0ff45fb3fc664419279c15677f4a5a20d9
- SHA512
  
  33d2b676e0f4afb5cb8bbb198fcc64fc9972d684972ab675c00f81c3247590b1eaa781ece5f00e4452910279b74aa890a67ace7f867be1d3dfa008d2c0370821
Score

10^/10

masslogger collection evasion ransomware spyware stealer
- 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.
- Modifies visibility of file extensions in Explorer
  evasion
- Looks for VirtualBox Guest Additions in registry
  evasion
- Looks for VMWare Tools registry key
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- 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.
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Maps connected drives based on registry
  Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext
behavioral1 behavioral2