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 17+ hours, this malware remained undetected — a half-day window that permitted the adversary to complete initial execution, establish basic persistence, and perform initial system enumeration.

Global Detection Posture — Who Caught It, Who Missed It

VirusTotal engines: 73. Detected as malicious: 54. Missed: 19. Coverage: 74.0%.

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

Dominant system-level operations (39.11% of behavior) suggest this malware performs deep system reconnaissance, privilege escalation, or core OS manipulation. It’s actively probing system defenses and attempting to gain administrative control.

MITRE ATT&CK Mapping

• T1140 – decode data using Base64 in .NET
• T1620 – load .NET assembly
• T1620 – invoke .NET assembly method
• T1560.002 – compress data using GZip in .NET
• T1033 – Adversaries may attempt to identify the primary user, currently logged in user, set of users that commonly uses a system, or whether a user is actively using the system.
• T1082 – An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture.
• T1014 – Adversaries may use rootkits to hide the presence of programs, files, network connections, services, drivers, and other system components.
• T1542.003 – Adversaries may use bootkits to persist on systems.
• T1564 – Adversaries may attempt to hide artifacts associated with their behaviors to evade detection.
• T1055 – Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges.
• T1070.006 – Adversaries may modify file time attributes to hide new or changes to existing files.
• T1112 – Adversaries may interact with the Windows Registry to hide configuration information within Registry keys, remove information as part of cleaning up, or as part of other techniques to aid in persistence and execution.
• T1070 – Adversaries may delete or modify artifacts generated within systems to remove evidence of their presence or hinder defenses.
• T1542 – Adversaries may abuse Pre-OS Boot mechanisms as a way to establish persistence on a system.
• T1027 – Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit.
• T1027.002 – Adversaries may perform software packing or virtual machine software protection to conceal their code.
• T1564.001 – Adversaries may set files and directories to be hidden to evade detection mechanisms.
• T1071 – Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic.
• T1106 – Adversaries may interact with the native OS application programming interface (API) to execute behaviors.
• T1005 – Adversaries may search local system sources, such as file systems and configuration files or local databases, to find files of interest and sensitive data prior to Exfiltration.
• T1560 – An adversary may compress and/or encrypt data that is collected prior to exfiltration.
• T1496 – Adversaries may leverage the resources of co-opted systems in order to solve resource intensive problems, which may impact system and/or hosted service availability.
• T1129 – The process attempted to dynamically load a malicious function
• T1129 – The process tried to load dynamically one or more functions.
• T1057 – The process has tried to detect the debugger probing the use of page guards.
• T1057 – The process attempted to detect a running debugger using common APIs
• T1083 – The process attempted to access known Bitcoin/ALTCoin wallets
• T1047 – Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
• T1047 – Queries process information (via WMI, Win32_Process)
• T1047 – Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
• T1047 – Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
• T1047 – Queries memory information (via WMI often done to detect virtual machines)
• T1047 – Checks if Antivirus program is installed (via WMI)
• T1574.002 – Tries to load missing DLLs
• T1055 – May try to detect the Windows Explorer process (often used for injection)
• T1562.001 – Creates guard pages, often used to prevent reverse engineering and debugging
• T1497 – Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
• T1497 – Allocates memory with a write watch (potentially for evading sandboxes)
• T1497 – Contains long sleeps (>= 3 min)
• T1497 – May sleep (evasive loops) to hinder dynamic analysis
• T1497 – Contains medium sleeps (>= 30s)
• T1497 – Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
• T1497 – Queries Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
• T1497 – Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
• T1027 – Binary may include packed or crypted data
• T1027.002 – PE file has an executable .text section which is very likely to contain packed code (zlib compression ratio < 0.3)
• T1027.002 – Binary may include packed or crypted data
• T1070.006 – Binary contains a suspicious time stamp
• T1518.001 – Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
• T1518.001 – May try to detect the virtual machine to hinder analysis (VM artifact strings found in memory)
• T1518.001 – Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
• T1518.001 – Queries Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
• T1518.001 – Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
• T1518.001 – Queries memory information (via WMI often done to detect virtual machines)
• T1518.001 – Checks if Antivirus program is installed (via WMI)
• T1057 – May try to detect the Windows Explorer process (often used for injection)
• T1010 – Sample monitors Window changes (e.g. starting applications), analyze the sample with the simulation cookbook
• T1082 – Queries process information (via WMI, Win32_Process)
• T1082 – Queries the volume information (name, serial number etc) of a device
• T1082 – Queries the cryptographic machine GUID
• T1082 – Reads software policies
• T1082 – Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
• T1082 – Queries Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
• T1005 – Found many strings related to Crypto-Wallets (likely being stolen)
• T1571 – Detected TCP or UDP traffic on non-standard ports
• T1095 – Performs DNS lookups
• T1071 – Performs DNS lookups

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.