hxxps://github[.]com/Zusyaku/Malware-Collection-Part-2/raw/main/MrsMajor3[.]0[.]exe | Triage

Resubmissions

18-05-2024 05:04

240518-fqeslada6s 8

18-05-2024 05:02

240518-fn8mwsch9w 10

Sharing

General

Target

https://github.com/Zusyaku/Malware-Collection-Part-2/raw/main/MrsMajor3.0.exe
Sample

240518-fn8mwsch9w

Score

10^/10

discovery evasion exploit persistence ransomware trojan

Malware Config

Targets

- Target
  
  https://github.com/Zusyaku/Malware-Collection-Part-2/raw/main/MrsMajor3.0.exe
Score

10^/10

discovery evasion exploit persistence ransomware trojan
- Modifies WinLogon for persistence
  persistence
- UAC bypass
  evasion trojan
- Disables Task Manager via registry modification
  evasion
- Downloads MZ/PE file
- Possible privilege escalation attempt
  exploit
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Modifies file permissions
  discovery
- Legitimate hosting services abused for malware hosting/C2
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Winlogon Helper DLL

Abuse Elevation Control Mechanism

Bypass User Account Control

Defense Evasion

Modify Registry

Abuse Elevation Control Mechanism

Bypass User Account Control

Impair Defenses

Disable or Modify Tools

File and Directory Permissions Modification

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

Impact

Defacement

Resource Development

Reconnaissance

Tasks

static1

urlscan1

behavioral1

discoveryevasionexploitpersistenceransomwaretrojan

behavioral2

discoveryevasionexploitpersistenceransomwaretrojan