Home / malware

PDF

Backdoor:Win32/Warood.B

First posted on 13 October 2015.
Source: Microsoft

Aliases :

There are no other names known for Backdoor:Win32/Warood.B.

Explanation :

Threat behavior

Installation
This threat can create files on your PC, including:

• %ProgramData%\microsoft\workspaceer\msvcr120.dll
• %ProgramData%\microsoft\workspaceer\updrgui.exe

It can make various registry changes during its installation, including:

In subkey: HKLM\SOFTWARE\Clients\sdata

Sets value: "sdata"
With data: "ejzlve9ifgeuf7nrfeaoidleklnq9i9pxq02ywhvfrw0jamjltzx9tt1chdnmjl1dcikigw6ghxqtacpnui6plc0icyeonroi8jddyigpxrkc3vvm60u8l/kixrd+96f773fe9/jmy9tdatmfcavr7q6aemwj/ekv/jkawwi/imvac4h5zx5obup2mpqsvnjrxrbixzrqqlbesko9unmuk+hqiyzuvifbory5dbys2h0mnnyu9kgsrvg1fzckylmsokx0yxjs3+efumjqv0jr22eqvlbgugxkaglmpw/nx8gl2x3junhzdbcdgmxm8sjgxhkea0n0nysc/jrt8j+obxoidmoiydzjqtlbc3nlfnv07ggf130n9jfwoqxyfilm0vsmgltswwzq9pzk0lw1jb005ysuinf+xy0tflqtxxcuwwjpamkrekzs97sknah29"



The malware uses code injection to make it harder to detect and remove. It can inject code into running processes.



Payload


Allows backdoor access and control

This threat can give a malicious hacker access and control of your PC. They can then perform a number of different actions, such as:

• Deleting files
• Downloading and running files
• Logging your keystrokes or stealing your sensitive data
• Modifying your system settings
• Running or stopping applications
• Spreading malware to other PCs
• Uploading files

Connects to a remote host

We have seen this threat connect to a remote host. Malware can connect to a remote host to do any of the following:

• Check for an Internet connection
• Download and run files (including updates or other malware)
• Report a new infection to its author
• Receive configuration or other data
• Receive instructions from a malicious hacker
• Search for your PC location
• Upload information taken from your PC
• Validate a digital certificate

This malware description was published using automated analysis of file SHA1 d7b94eefc52faf68d7af2d0edc13d44fb6f38a07.

Symptoms

The following can indicate that you have this threat on your PC:

• You see a file similar to:
  • %ProgramData%\microsoft\workspaceer\msvcr120.dll
  • %ProgramData%\microsoft\workspaceer\updrgui.exe
• You see registry modifications such as:
• In subkey: HKLM\SOFTWARE\Clients\sdata
  Sets value: "sdata"
  With data: "ejzlve9ifgeuf7nrfeaoidleklnq9i9pxq02ywhvfrw0jamjltzx9tt1chdnmjl1dcikigw6ghxqtacpnui6plc0icyeonroi8jddyigpxrkc3vvm60u8l/kixrd+96f773fe9/jmy9tdatmfcavr7q6aemwj/ekv/jkawwi/imvac4h5zx5obup2mpqsvnjrxrbixzrqqlbesko9unmuk+hqiyzuvifbory5dbys2h0mnnyu9kgsrvg1fzckylmsokx0yxjs3+efumjqv0jr22eqvlbgugxkaglmpw/nx8gl2x3junhzdbcdgmxm8sjgxhkea0n0nysc/jrt8j+obxoidmoiydzjqtlbc3nlfnv07ggf130n9jfwoqxyfilm0vsmgltswwzq9pzk0lw1jb005ysuinf+xy0tflqtxxcuwwjpamkrekzs97sknah29"

Last update 13 October 2015

 

TOP