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James_inthe_box

Updated agenttesla yara sig

Nov 12th, 2019
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  1. rule AgentTesla_mod_tough_bin
  2.  
  3. {
  4. meta:
  5. author = "James_inthe_box"
  6. reference = "https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/"
  7. date = "2019/11"
  8. maltype = "RAT"
  9.  
  10. strings:
  11. $stringset31 = "OperatingSystemName"
  12. $stringset32 = "ProcessorName"
  13. $stringset33 = "AmountOfMemory"
  14. $stringset34 = "VideocardName"
  15. $stringset35 = "VideocardMem"
  16. $stringset36 = "Password"
  17. $stringset37 = "Mozilla"
  18. $stringset38 = "Postbox"
  19. $stringset39 = "Thunderbird"
  20. $stringset311 = "SeaMonkey"
  21. $stringset312 = "Flock"
  22. $stringset313 = "BlackHawk"
  23. $stringset314 = "CyberFox"
  24. $stringset315 = "KMeleon"
  25. $stringset316 = "IceCat"
  26. $stringset317 = "PaleMoon"
  27. $stringset318 = "IceDragon"
  28. $stringset319 = "WaterFox"
  29.  
  30. condition:
  31. 10 of ($stringset3*)
  32. }
  33.  
  34. rule AgentTesla_mod_tough_mem
  35.  
  36. {
  37. meta:
  38. author = "James_inthe_box"
  39. reference = "https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/"
  40. date = "2019/11"
  41. maltype = "RAT"
  42.  
  43. strings:
  44. $string1 = "Opera Software\\Opera Stable" wide ascii
  45. $string2 = "keychain.plist" wide ascii
  46. $stringset1 = "type={0}" ascii wide
  47. $stringset2 = "hwid={1}" ascii wide
  48. $stringset3 = "time={2}" ascii wide
  49. $stringset4 = "pcname={3}" ascii wide
  50. $stringset5 = "logdata={4}" ascii wide
  51. $stringset6 = "screen={5}" ascii wide
  52. $stringset7 = "ipadd={6}" ascii wide
  53. $stringset8 = "webcam_link={7}" ascii wide
  54. $stringset9 = "screen_link={8}" ascii wide
  55. $stringset10 = "[passwords]" ascii wide
  56.  
  57. condition:
  58. all of ($string*) and 5 of ($stringset*)
  59. }
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