General
- Target YT3VM.exe
- Size 586KB
- Sample260805-rfwtxahn2z
- SHA256 afee76a441618314d4f0701ac50f4c750c9b76e8aa77b28c3602850f97a00b5b
- MD5 46ae960d90f0ea2bfa6f10b44489b66b
- SHA1 862bfd947cd55788ae437ca432af8a63ef18602d
- SHA512 78f272db2212a8544584e0a3f5c40409cdb98dae6b268a4ca3085aa7028ec54894138b9876afb039dbc688efcb65e5221274efc2e60862628a7f3b841d247e13
- SSDEEP 12288:s1pmKYcSV5K2FeVZLv4V4zjrbn/DvUNtq7rneKTQ0gJWdRU938Q:GYkeeMGzj/Dvf7auK2U938Q
- TLSH T17DD4C042F7D40521E6FE0E3D8CB35E10C6B0F49EEE22C39D17DAB96465B37448660BA6
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
YT3VM.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
YT3VM.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target YT3VM.exe
- Size 586KB
- SHA256 afee76a441618314d4f0701ac50f4c750c9b76e8aa77b28c3602850f97a00b5b
- MD5 46ae960d90f0ea2bfa6f10b44489b66b
- SHA1 862bfd947cd55788ae437ca432af8a63ef18602d
- SHA512 78f272db2212a8544584e0a3f5c40409cdb98dae6b268a4ca3085aa7028ec54894138b9876afb039dbc688efcb65e5221274efc2e60862628a7f3b841d247e13
- SSDEEP 12288:s1pmKYcSV5K2FeVZLv4V4zjrbn/DvUNtq7rneKTQ0gJWdRU938Q:GYkeeMGzj/Dvf7auK2U938Q
- TLSH T17DD4C042F7D40521E6FE0E3D8CB35E10C6B0F49EEE22C39D17DAB96465B37448660BA6
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies WinLogon for persistence
-
UAC bypass
-
Renames multiple (153) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Drops file in Drivers directory
-
Event Triggered Execution: Image File Execution Options Injection
-
Modifies Windows Firewall
-
Outbound SSH connection to private host
SSH is used for remote access. Internal traffic may indicate local host discovery or lateral movement.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Creates new service(s)
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Executes dropped EXE
-
Windows security modification
-
Adds Run key to start application
-
Checks whether UAC is enabled
-
Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
4Indicator Removal
1Clear Persistence
1Modify Registry
7Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Network Service Discovery
2Peripheral Device Discovery
1Query Registry
3System Information Discovery
6System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
2Internet Connection Discovery
1Wi-Fi Discovery
1