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Snakelabs

Gholee samples

Mar 19th, 2015
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  1. Since AV vendors are so good at writing reports (http://www.trendmicro.com/vinfo/us/security/news/cyber-attacks/operation-woolen-goldfish-when-kittens-go-phishing) but amazingly fail at detecting malwares I decided to share a few new samples of Gholee malware.
  2.  
  3. Original posts about Gholee:
  4. http://www.clearskysec.com/gholee-a-protective-edge-themed-spear-phishing-campaign/
  5. http://securityaffairs.co/wordpress/28170/cyber-crime/gholee-malware.html
  6.  
  7. Crowdstrike's:
  8. https://www.hackcon.org/wp-content/uploads/2015/02/Foredrag01.pdf
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  10.  
  11. First discovered XLS - 3f7118a2ff787e61b5d18ba0591a29f90349d8ab93aa7d005cdf833f8c9895b2
  12. (text version of the macro - https://pastebin.com/Kz45uVma)
  13. Dropped file - 69cd44995cd8705f9d21cecc978b6a646eefb9872761844fd33b05b7ac2f0767
  14.  
  15. New samples of Gholee 0/54 detection rate (of course):
  16. 0b75e6364bb63043cf60c8adc98a5749b5167322f8951b128b56768158e3f576
  17. 578bb18c52242192d6404f3263930f0992dc6babbcbdd72f393228de036a0ea5
  18. f0f83d8a8eb7737a92212fe0a13045a3f867c580a47191a048465cd1efb41905
  19. 9bec8af624f7df5eeb8d0b072ad8914dded727cb0a58ebf45a9e4df9d7bdf8fd
  20. a9b7c289cea29941b0c4c0e2809d703f934dbcc29c13b4bc900b0ee973108984
  21.  
  22. Yara rules for detectiong the samples:
  23. https://pastebin.com/fm1mb6qX
  24.  
  25. All above samples can be download from here:
  26. https://s3-eu-west-1.amazonaws.com/snakebyte.co.il/uploads/Gholee.7z
  27. pass: infected
  28.  
  29. Enjoy
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