masslogger

General

Target

1bc2ad920f35c5a0872b0acf218cb174272650cc278cf149ab5ee8cef3b45e87
Size

798KB
Sample

220521-dxzp8sbebl
MD5

1c7db199a4e908c5fd5ea07a45b02bfc
SHA1

fbe6628d8d63087112d71d3d88ee3bccbfb39818
SHA256

1bc2ad920f35c5a0872b0acf218cb174272650cc278cf149ab5ee8cef3b45e87
SHA512

5412aae85de703c8f92e61071cf7c7d5f062353394be61c88e50581ebe186802ceea9886c6426d0702d1e2bfe845e5aee3b6afbe5afc5dc7dd21e1e03ae44489

Score

10^/10

Malware Config

Extracted

Path

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

Family

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 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 5:02:19 AM MassLogger Started: 5/21/2022 5:02:08 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RFQ_873821.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\19E979543A\Log.txt

Family

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 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 7:02:25 AM MassLogger Started: 5/21/2022 7:02:11 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RFQ_873821.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  
  RFQ_873821.exe
- Size
  
  836KB
- MD5
  
  6cda2a931321f1fcdc0092a95d7c2b8a
- SHA1
  
  4a1202631f6607e29f076b8d277f7101909c7a84
- SHA256
  
  2b98c280d6a4bc8ab900831de9e049ed26f9db9ede66d0804b6581c8075ea1ee
- SHA512
  
  3992f791bc8490cec3e7bfccdb9095367a54f2040e09efcdc6a6f1bbc2c33bb309b9a89b3379a5f53d74b9d81bc6f88f000268b6621ca5323b6f50afb1387e0c
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