masslogger

General

Target
Copy of Cheque.exe
Size 877KB
Sample201109-xqlm159aex
SHA256 866af826d2e3bc86c1624cf394da54bd9760c2499cd6582b5434dfd159a78e06
MD5 47bf8b17983cc2307a403ed3e07622d9
SHA1 ef456c5ab429a921af7a4255ed17675da13d47cc
SHA512 d0be12009057dbc0bf2f65b30db6f9dde3b7700134778a2f0290289874da1ed7be241747363c49e5cef0e7bab31911e83514439a95836ae9955a33b1f4a26516
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\60F5850B53\Log.txt

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### 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: 11/11/2020 4:03:00 AM MassLogger Started: 11/11/2020 4:02:52 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Copy of Cheque.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\109933CE9F\Log.txt

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 11/11/2020 3:02:48 AM MassLogger Started: 11/11/2020 3:02:44 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Copy of Cheque.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  Copy of Cheque.exe
- Size 877KB
- SHA256 866af826d2e3bc86c1624cf394da54bd9760c2499cd6582b5434dfd159a78e06
- MD5 47bf8b17983cc2307a403ed3e07622d9
- SHA1 ef456c5ab429a921af7a4255ed17675da13d47cc
- SHA512 d0be12009057dbc0bf2f65b30db6f9dde3b7700134778a2f0290289874da1ed7be241747363c49e5cef0e7bab31911e83514439a95836ae9955a33b1f4a26516
- MD5 SHA1 SHA512
Score

10^/10

masslogger evasion ransomware rezer0 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.
- Looks for VirtualBox Guest Additions in registry
  evasion
- rezer0
  Detects ReZer0, a packer with multiple versions used in various campaigns.
  rezer0
- 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
- 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