masslogger

General

Target

878427ff4f8b57e78c216c3295b5c477c1066afcac08c987f0599fa044f1dab4
Size

843KB
Sample

220521-c3bpxsehc7
MD5

311d63d440731f974f2c899a3418b930
SHA1

9cd9e7e179aca173cc007b006238efa961597de9
SHA256

878427ff4f8b57e78c216c3295b5c477c1066afcac08c987f0599fa044f1dab4
SHA512

7a1e614c7a833524e02c7480ecf3737df37ef2e3f68ff35dd20c6225ef5863469fa23d7c9f449d2ab0b14a13f124de29b4624606f957d89021d6be47c8213b9f

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\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 5:55:45 AM MassLogger Started: 5/21/2022 5:55:33 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Commercial Invoice.PDF.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.cometgroup-eg.com
Port:
587
Username:
[email protected]
Password:
Rcomet%group@123

Targets

- Target
  
  Commercial Invoice.PDF.exe
- Size
  
  877KB
- MD5
  
  d8cf7fecfdf7a96bd9038dd3e6e7d0a1
- SHA1
  
  3739de1f03fe0681e6f2beed5385bee55f8f2690
- SHA256
  
  7e69a7faf816e90b60a9043118f59b3084def9f66bc69cb0c5ca8d59309acb82
- SHA512
  
  8e9fd42265f90bed721151d47d54cb65ebbe3d10f20e4ed16fc58fae26826284f49938803e2851dad2ad2e815ed31218e87e95fe022675d577fbc7352ff1b8fe
Score

10^/10

masslogger collection 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.
- Modifies visibility of file extensions in Explorer
  evasion
- Looks for VirtualBox Guest Additions in registry
  evasion
- ReZer0 packer
  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 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