Sub is a giant control subroutine containing a very large and ugly switch statement with cases:. There are buttons in this menu to manage the bridges, update data on victims, change builder settings and then interestingly buttons for support and help. Inside the pages served at these domains was the following code: The beginning of a PE file is pretty obvious in this snippet. Besides seeing that there appears to be a user-agent construction section within this subroutine, there are also a bunch of unlabeled calls in there. The delph1. GetWindowText the result of which is stored Sub 45D74C is used to identify the presence of services on the victim machine by the port that is in use. The support button actually gives us the following popup:. Uh, how about, stop writing malware?
Some apps or games will have checks when modifying so it will not allow modifications. It seems that the malware uses this to load and parse a PE header from a file probably the UPX-packed file we are discussing and then appears to use the code to then load a bunch of SQL Lite functions. S3curity RAT v0. The Bridge Taking a quick look at the. I found several sites hosting a page with the following appearance:. Based on this, it looks like the ransomware will search through fixed drives first, then removable likely USB drives next, followed by network drives. Static and Dynamic Analysis Taking a look at the stub. Ans In Android 4.
Sub CF0 is another subroutine that has been greatly filled in via the debugger. Prank RATs are generally not harmful, and won't log keystrokes or store information about the system on the computer. Many trojans and backdoors now have remote administration capabilities allowing an individual to control the victim's computer. IsWow64Process and determines the architecture based on the returned value. The other file, pd4ta. In doing some reading on the subject, this appears to be another way to detect certain sandbox environments. A final deadline can also be specified, which by default is four days. Within this switch statement, there are several cases that will pass the locations of stored credentials for the supported browsers and then call sub E60 to acquire them. You can use LocalBitcoins.
This way, by sending a malware to VirusTotal with small detection rates, you ensure that it will be highly detectable in a few days or even hours and will need to spend money on crypters. Keep in mind that, as the encryption key is kept out of the victim machine, brute force is really the only option. I should note that this particular copy of the builder was said to be cracked, and I noticed no network traffic related to this user creation process, so I suppose this is because of the crack or perhaps this is a local account set up on the Philadelphia builder. This change log gives us some idea of the pace of development of Philadelphia:. During our development, we used VirusCheckMate. The cases and associated functionality are as follows:. The default extensions to target are:. Sections of this page.