masslogger

General

Target

839c500fe9fff02c0c70cd65bfce456f9efec4301b7d75ee478af939a08397c6
Size

771KB
Sample

220521-c4e4qsehg8
MD5

f42afe604d7a35d3095b7af6832870fd
SHA1

e53a9f8b01c0b077ae7efaf860b191fd73eeece4
SHA256

839c500fe9fff02c0c70cd65bfce456f9efec4301b7d75ee478af939a08397c6
SHA512

5d2e01604f7a06f9c20065f4992ca4ea48f6554754fb68582b7af72642876a54e52cbc3ea386806457c58a47c9c49652b22e8dccf9bd4dc0b6286e3884a79964

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8506BBE7FF\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 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 5:56:02 AM MassLogger Started: 5/21/2022 5:55:46 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\SCAN 65003.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\0F48153F20\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 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 3:56:09 AM MassLogger Started: 5/21/2022 3:56:06 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\SCAN 65003.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  
  SCAN 65003.exe
- Size
  
  812KB
- MD5
  
  0dce144cf6bcc62ec95d72a1cf626152
- SHA1
  
  4e00c89eb674ba5b2713555598fa8f9514ce305e
- SHA256
  
  6953bac97a3acd3fb014255896b3a0abc540cc5104c5b387d73c3fe795e2a059
- SHA512
  
  8fad13060c2242f26140fded8a844bfbd31df5b35562149222540eab75d3a2ffb74a827a91fc57ff4ef82187ad39d5ad88de8bdc703b6baa1411a2777f704582
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