masslogger

General

Target

da04944b0e2ece59d505156e44fc175fee32184f7fcc2d5bf83c59a5f5f98559
Size

870KB
Sample

220521-n5hf2aefd7
MD5

272d710bafed996b511ccadbf35c1cc4
SHA1

7b6707bddd29dfd1939774b0e49d4867aa6ac1ae
SHA256

da04944b0e2ece59d505156e44fc175fee32184f7fcc2d5bf83c59a5f5f98559
SHA512

c406de39ba04900acd41a64e7e3b63a17ef5509829386990416c87c204c403b629bf47e611cf259c5bf3dfd5a8d5c6148a98f03fbae667dda863f8c007e16dd0

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 2:54:10 PM MassLogger Started: 5/21/2022 2:53:43 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO#Ref49038.scr MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8236ADF044\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 2:54:42 PM MassLogger Started: 5/21/2022 2:54:29 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO#Ref49038.scr MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

- Target
  
  PO#Ref49038.scr
- Size
  
  927KB
- MD5
  
  cf00e03f0d25b9148e53cd7c9d07cdde
- SHA1
  
  16b781a2c67873bce30780a39d90021e40f2aa5b
- SHA256
  
  bc9ef35a37d74aeb04bb1140314db0fca3f09fe2657e987cd8aaa9e4f234b991
- SHA512
  
  5281b96474520fce34934414eb8ec5ca07758579e27250e2aa86f0ddc02bb3b75547fd596d5b947396a663fdcca04e93736ff9d7d3958fe89a4d27c068c8f0d4
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