masslogger

General

Target

f80bf078233f75b4226bf4a5b16ef4bb3f32dd13826871353b4a39fad167e13c
Size

716KB
Sample

220521-b9akrsgecl
MD5

a14c704d64ff79ce06a8839e82824e06
SHA1

1a589672c9e459130b05f6c6979dd2a61a02ba37
SHA256

f80bf078233f75b4226bf4a5b16ef4bb3f32dd13826871353b4a39fad167e13c
SHA512

8f447c8f7e4434ba48fe54aac7aed20324e410a682d5c7374ad3082122556e6ba7b43abbe43af29f66263b3bad5938facc3958d5a53d5a03ce0973fa1a3dd3a2

Score

10^/10

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 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 2:44:32 AM MassLogger Started: 5/21/2022 2:44:25 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order-411546.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  
  Order-411546.exe
- Size
  
  806KB
- MD5
  
  22ffcd520fe68ef6d11c131577091fff
- SHA1
  
  08ba8ae52078a1ad86ea3b8bde4f619b23d0eb04
- SHA256
  
  c8174141c60baa057aa9780fdb5fe1e4af59b9d3a9d5a1d8ab7d929b13d3882b
- SHA512
  
  f53c611e64a76cf46be0c8941edf987e0f25db0c4682d15aa60d595fddb4ead053f3fdd3d0cb0996d13f76a6e2ce1dcf2ecd15db6debabe5ef44b0a91478eac7
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 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