masslogger

General

Target

be6bfae253ef0ad8688f9c99e4e5e5e091eb23ff84c1041553b82618292fabf3
Size

787KB
Sample

220521-cnhvpaebh3
MD5

aa0e0d63076894139efa95d1c4a7ab67
SHA1

03bb201fb9793e8c97fb0ebcb840062742570b08
SHA256

be6bfae253ef0ad8688f9c99e4e5e5e091eb23ff84c1041553b82618292fabf3
SHA512

fbb9e44e4d38673b4fecb5b9972cb7000be64684382d608049ef5c30d7498772afca45b29052d0853b69bee58ba4a2dc777a71e8fe622c7fdf0fe77fb66c79f1

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.2.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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: 5/21/2022 5:22:52 AM MassLogger Started: 5/21/2022 5:22:40 AM Interval: 6 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\F20794-送銀行_xls.exe As Administrator: True

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
evra12345

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\0F48153F20\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.2.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:22:29 AM MassLogger Started: 5/21/2022 3:22:25 AM Interval: 6 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\F20794-送銀行_xls.exe As Administrator: True

Targets

- Target
  
  F20794-送銀行_xls.exe
- Size
  
  828KB
- MD5
  
  85f371fdbe9b8f2d020e2d524f7cab4f
- SHA1
  
  cd71ea891aea2af7714c9a615de72515bfb390e5
- SHA256
  
  a760f527a357c0102eb9d9ecc6ca76f245d34237b230ce9a38e83ae806ab13cb
- SHA512
  
  39398504ecdd905054244d8052d82d86a74fbba209a7e8a32e946311f4b573f36f95952448732368a93fb5b8f3d78603798f03a9525450e1825a24071c62d972
Score

10^/10

masslogger collection 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.
- ReZer0 packer
  Detects ReZer0, a packer with multiple versions used in various campaigns.
  rezer0
- 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.
- Suspicious use of SetThreadContext
behavioral1 behavioral2