2016-12-09 - "OSIRIS" VARIANT LOCKY MALSPAM

ASSOCIATED FILES:

 

NOTES:

 

EMAILS

SUBJECT LINES:

 


Shown above:  Data from 20 Locky malspam examples (part 1 of 2).

 


Shown above:  Data from 20 Locky malspam examples (part 2 of 2).

 


Shown above:  An example from the first wave of these emails.

 


Shown above:  An example from second wave of these emails.

 

TRAFFIC


Shown above:  An example of infection traffic by the Excel sheets from one of the emails.

 

EXAMPLES OF TRAFFIC GENERATED BY THE EXCEL MARCO RETRIEVING THE LOCKY BINARY:

 

POST-INFECTION CALLBACK FROM THE LOCKY SAMPLE:

 

TOR DOMAIN FROM THE DECRYPTION INSTRUCTIONS:

 

FILE HASHES

LOCKY DLL FILE:

 

EXCEL SPREADSHEETS FROM THE MALSPAM (SHA256 HASH - FILE NAMES):

 

IMAGES


Shown above:  Screen shot from an infected Windows desktop.  Note the .osiris file extension.

 


Shown above:  Ransom payment was 1.5 bitcoin for the infections I generated.

 

FINAL NOTES

Once again, here are the associated archives:

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