Update Date
01/06/2024

Class: Trojan-Dropper

Trojan-Dropper programs are designed to secretly install malicious programs built into their code to victim computers. This type of malicious program usually save a range of files to the victim’s drive (usually to the Windows directory, the Windows system directory, temporary directory etc.), and launches them without any notification (or with fake notification of an archive error, an outdated operating system version, etc.). Such programs are used by hackers to: secretly install Trojan programs and/or viruses protect known malicious programs from being detected by antivirus solutions; not all antivirus programs are capable of scanning all the components inside this type of Trojans.

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Platform: Win64

Win64 is a platform on Windows-based operating systems for execution of 32-/64-bit applications. Win64 programs cannot be launched on 32-bit versions of Windows.

Family: Trojan.Win32.Convagent

No family description

Examples

B4E8681D3B356B934363A090666247C0
4C922C5A7EEBF9CA8459FEEE730855F5
D8F9C91049DF1B81F8033DB0B15001AA
7DF689360778B9A8C5570D782327C438
404989427977E69B23440B8EA16C2DCD

Tactics and Techniques: Mitre*

TA0007
Discovery

Adversaries may employ various time-based methods to detect and avoid virtualization and analysis environments. This may include enumerating time-based properties, such as uptime or the system clock, as well as the use of timers or other triggers to avoid a virtual machine environment (VME) or sandbox, specifically those that are automated or only operate for a limited amount of time.


T1497.003
Time Based Evasion

Adversaries may employ various time-based methods to detect and avoid virtualization and analysis environments. This may include enumerating time-based properties, such as uptime or the system clock, as well as the use of timers or other triggers to avoid a virtual machine environment (VME) or sandbox, specifically those that are automated or only operate for a limited amount of time.


* © 2025 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

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