masslogger

General

Target

3d6c42cafbbcb96f6bd42158290f51c6bc6b9ea7470fe27a9326f998acea91ea
Size

842KB
Sample

220521-dnr9ssgac8
MD5

66cd5d0e42e50c1bfd40c9b32f4675da
SHA1

e220b6b1c60297ce252dc26280584a1a72b768a9
SHA256

3d6c42cafbbcb96f6bd42158290f51c6bc6b9ea7470fe27a9326f998acea91ea
SHA512

f7005b9bfc4a8dde2afbf7ae510cd7e1749883aa8b9f156af58655d83cda947fb65249124138e08102c93cd2e2c732f63bd0e45ef77999c831a7fdf4406db930

Score

10^/10

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 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 4:41:59 AM MassLogger Started: 5/21/2022 4:41:48 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Attached Products Inquiry.doc.z.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
bodycaress@yandex.ru
Password:
publictalkdycaress2

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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 6:43:18 AM MassLogger Started: 5/21/2022 6:42:39 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Attached Products Inquiry.doc.z.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  
  Attached Products Inquiry.doc.z.exe
- Size
  
  883KB
- MD5
  
  f2209b14ae0829869f16b7dc0c78c813
- SHA1
  
  987e30e37d99b08d9d22e199108893cf01ee24a9
- SHA256
  
  8fd65d51cacf70ad39a95d0c7e89af58c406bce0a61f1365ba7889475e0e1218
- SHA512
  
  8bbf5abcdf24e3aefc20416bc5b7afe89549aa42c5b28e05fb7a009bbed0a3651d7240d84fc7b44fad9b6fc8857d93f36f5b0f2d93f923918a85e5a90b5f17c9
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