Executive Overview — What We’re Dealing With

This specimen has persisted long enough to matter. Human experts classified it as Malware, and the telemetry confirms a capable, evasive Trojan with real impact potential.

Extended Dwell Time Impact

For 2+ hours, this malware remained undetected — a limited but sufficient window for the adversary to complete initial execution and establish basic system access.

Global Detection Posture — Who Caught It, Who Missed It

VirusTotal engines: 73. Detected as malicious: 61. Missed: 12. Coverage: 83.6%.

Why it matters: if any endpoint relies solely on a missed engine, this malware can operate with zero alerts. Prevention‑first controls close that gap regardless of signature lag.

Behavioral Storyline — How the Malware Operates

Heavy cryptographic operations (99.93% of behavior) indicate potential ransomware, data encryption for exfiltration, or secure C2 communications. The malware is actively encrypting or decrypting sensitive data.

MITRE ATT&CK Mapping

• T1027 – encode data using Base64
• T1560.002 – compress data using GZip in .NET
• T1057 – enumerate processes
• T1518 – enumerate processes
• T1082 – query environment variable
• T1082 – get number of processors
• T1083 – check if file exists
• T1082 – get OS version in .NET
• T1053.005 – schedule task via schtasks
• T1112 – delete registry value
• T1047 – access WMI data in .NET
• T1140 – decode data using Base64 in .NET
• T1082 – get disk size
• T1012 – query or enumerate registry key
• T1112 – delete registry key
• T1082 – get hostname
• T1620 – load .NET assembly
• T1497.001 – reference anti-VM strings targeting VMWare
• T1012 – query or enumerate registry value
• T1033 – get session user name
• T1087 – get session user name
• T1083 – get common file path
• T1070.004 – self delete
• T1497.001 – reference anti-VM strings targeting VirtualBox
• T1033 – get session integrity level
• T1082 – Checks available memory
• T1071 – At least one IP Address, Domain, or File Name was found in a crypto call
• T1071 – Attempts to connect to a dead IP:Port
• T1071 – Yara detections observed in process dumps, payloads or dropped files
• T1071 – Binary file triggered YARA rule
• T1106 – Guard pages use detected – possible anti-debugging.
• T1012 – Query OS Information
• T1071.004 – Performs DNS request
• T1082 – Query OS Information
• T1095 – Connects to remote host
• T1134 – Enables process privileges
• T1571 – Tries to connect using an uncommon port
• T1497 – Allocates memory with a write watch (potentially for evading sandboxes)
• T1562.001 – Creates guard pages, often used to prevent reverse engineering and debugging
• T1027 – .NET source code contains long base64-encoded strings
• T1082 – Checks the free space of harddrives
• T1082 – Queries the volume information (name, serial number etc) of a device
• T1082 – Queries the cryptographic machine GUID
• T1573 – Uses HTTPS
• T1571 – Detected TCP or UDP traffic on non-standard ports
• T1071 – Uses HTTPS
• T1071 – C2 URLs / IPs found in malware configuration

Following the Trail — Network & DNS Activity

Outbound activity leans on reputable infrastructure (e.g., CDNs, cloud endpoints) to blend in. TLS sessions and
HTTP calls show routine beaconing and IP‑lookup behavior that can masquerade as normal browsing.

Hunting tip: alert on unknown binaries initiating TLS to IP‑lookup services or unusual CDN endpoints — especially early in execution.