masslogger

General

Target

ef0ad2f70a1fcffe2cd3e3c28adb13d7dfd0b7745405883524f27a13d46d4f24
Size

804KB
Sample

220521-cbjapadef4
MD5

6316b3b6305df7f06694506ceff98292
SHA1

cca0a6b7059f7fe82894cb5f2ce82b9dc00cff5b
SHA256

ef0ad2f70a1fcffe2cd3e3c28adb13d7dfd0b7745405883524f27a13d46d4f24
SHA512

32bdf977ebf3afaa76e39e871553a744efe7456ff07cb5ad987f8d537df0eb5e6c3a81cd26121bc0464c8c83f452923f298c3b22f2a2fe5fbe8e59f2fbd0b479

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.0 ################################################################# ### 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 4:53:57 AM MassLogger Started: 5/21/2022 4:53:39 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Documents.pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 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 4:54:22 AM MassLogger Started: 5/21/2022 4:53:24 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Documents.pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  
  Documents.pdf.exe
- Size
  
  842KB
- MD5
  
  301e1a6b59a0e2249372ee47aec99f37
- SHA1
  
  614105ff4c3c6677a8c44f734a7ba282db17ad0c
- SHA256
  
  44a9da622295549820b1eb9645b524cc0a54b3c91832be3ba44630866a179607
- SHA512
  
  fd773441e5012d9d45d62537b47921fc4ba7ac0e9f5cff084e8e9ffa6994a551728aabeb24beae6b4094df8c00713f1580a642f31874fe4c3f6b3aa1923b0484
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