ThreatExpert Report: Backdoor.Win32.Inject

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Submission Summary:

Submission details:

Submission received: 15 May 2017, 05:43:37
Processing time: 5 min 38 sec
Submitted sample:

File MD5: 0x325B837A1C0BBBAE290F09642619BBDC
File SHA-1: 0xB68B6B322CA3457B4EF1EB2E715A0F2EDEF325CA
Filesize: 20,480 bytes
Alias & packer info:

Backdoor.Win32.Inject [Ikarus]
packed with: UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\Svchost\Svchost.exe [file and pathname of the sample #1]	20,480 bytes	MD5: 0x325B837A1C0BBBAE290F09642619BBDC SHA-1: 0xB68B6B322CA3457B4EF1EB2E715A0F2EDEF325CA	Backdoor.Win32.Inject [Ikarus] packed with UPX [Kaspersky Lab]
2	%Programs%\Startup\Svchost.exe.lnk	895 bytes	MD5: 0x5E1E6ADEBE283C5801DE8BF7FDF10C2D SHA-1: 0x5FE5B563FFC0800CF5C77E4D4456202ED6B509E0	(not available)

Notes:

%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.
%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.

The following directory was created:

%AppData%\Svchost

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	65,536 bytes

Other details

To mark the presence in the system, the following Mutex objects were created:

c:\documents and settings\username\application data\svchost\svchost.exe
c:\windows\system32\sample_1.exe

The following Host Names were requested from a host database:

sexymin2014.zz.am
gy9.gyddos.com

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
gy9.gyddos.com	8889

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 8889:

There was an outbound traffic produced on port 1445:

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