masslogger

General

Target

b51aa46feaf11911b980427b7dcb749d154bac7ccdf88b9091dc28a70e428ccc
Size

1.2MB
Sample

220521-pgekxafcc8
MD5

9230815c52d4de6a43e628dceea8f7a8
SHA1

35584c720533d632f683ee00960d9b2246b71767
SHA256

b51aa46feaf11911b980427b7dcb749d154bac7ccdf88b9091dc28a70e428ccc
SHA512

3c7e5e449aa4203c1b11796d9d484663ae51a359dd5342bfca3d697df61dd437e1568b31973f24ddf6f7fb82ce4f5963d69526584d4bf29f56f544f7ff7e2e50

Score

10^/10

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.3.0 ################################################################# ### 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 3:07:20 PM MassLogger Started: 5/21/2022 3:06:43 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\IMG_6190.scr As Administrator: True

Targets

- Target
  
  IMG_6190.SCR
- Size
  
  732KB
- MD5
  
  471c9316ed12a0bd184ac4b4f58a6c46
- SHA1
  
  5e94a2f8fdfef1c75298e9b110419c7dc4075bbd
- SHA256
  
  b1bbfa891537ee3acffe84ec8a7ebd4537170218372be4727d74c6c31ee4a546
- SHA512
  
  32a3d4b514142f5204dfcb4dba5bfed6b2e177bd950024965a4f51bf9bcb1c617e73a61a28e3665f2e06e23dfe99a0f06e9d22e913db669f77e18934b0c6fe60
Score

10^/10

rezer0 masslogger ransomware 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.
- 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

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

MassLogger Main Payload

MassLogger log file

ReZer0 packer

Checks computer location settings

Looks up external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2