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Isonet AG stolen certificate used in the Upatre/Zeus/Necurs

Apr 8th, 2014
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  1. Isonet AG stolen certificate used in the Upatre/Zeus/Necurs campaign.
  2.  
  3. The following strings are present in each file signed with this certificate (useful for a Yara rule for example):
  4. "isonet ag"
  5. "isonet ag0"
  6. "isonet ag1>0<"
  7.  
  8. For a more in-depth look, see:
  9. https://blogs.comodo.com/e-commerce/comodo-av-labs-id-zeus-trojan/
  10.  
  11. MD5s of signed executables with the stolen certificate:
  12. 10d4587d3ec559dbce542fa0adc7a868   
  13. 125b65b3529724c58777486dde255280   
  14. 6bc3cd0aea375e24fcf57d81c760b110   
  15. 5a995c2c932567ad78c1e89ba872bc0a   
  16. d2158721a87b9f7f1e041113213a0bdc   
  17. 7a232d60366758bfd745e000a24be04b   
  18. 6c4616024bfa55605395fefa30199588   
  19. a8b3b20c0eee9a3dcf385754b6db8373   
  20.  
  21. Rootkit component (Necurs):
  22. a2f2b24bd6fa13095c319f7f61c21d2f
  23.  
  24.  
  25. Certificate:
  26.     Data:
  27.         Version: 3 (0x2)
  28.         Serial Number:
  29.             75:a3:85:07:bf:40:3b:15:21:25:b8:f5:ce:1b:97:ad
  30.         Signature Algorithm: sha1WithRSAEncryption
  31.         Issuer: C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA
  32.         Validity
  33.             Not Before: Dec  7 00:00:00 2012 GMT
  34.             Not After : Feb  5 23:59:59 2016 GMT
  35.         Subject: C=CH, ST=Z\xC3\xBCrich, L=Z\xC3\xBCrich, O=isonet ag, OU=Digital ID Class 3 - Microsoft Software Validation v2, OU=Technik, CN=isonet ag
  36.         Subject Public Key Info:
  37.             Public Key Algorithm: rsaEncryption
  38.                 Public-Key: (2048 bit)
  39.                 Modulus:
  40.                     00:9e:73:96:ed:32:df:ca:3a:be:5d:0e:26:25:57:
  41.                     39:73:75:be:ef:4a:b1:4f:43:27:27:ae:ad:73:50:
  42.                     c2:e8:0d:98:da:ee:76:d5:af:26:b7:5d:ba:69:55:
  43.                     d5:e5:2c:e0:40:8b:f5:e0:c8:94:20:7c:43:63:83:
  44.                     48:72:3d:ee:90:8f:df:cc:25:08:dd:c6:91:cc:6c:
  45.                     94:d1:07:75:4d:5c:5d:a6:ed:64:55:a6:99:6c:4e:
  46.                     f3:a9:6b:f7:20:d8:5f:bd:8b:04:55:57:54:6d:ce:
  47.                     6c:bc:45:ac:24:ca:7b:5e:2a:eb:15:56:06:b1:82:
  48.                     d5:30:7d:b4:51:5f:2b:1e:38:5b:1e:2a:4b:20:0d:
  49.                     42:bb:51:d8:0e:0f:04:46:0c:be:30:2c:5c:3b:12:
  50.                     42:e2:be:6f:ea:1b:9f:94:b0:4c:da:56:80:17:64:
  51.                     30:a8:1c:26:85:2d:c1:a5:ee:d0:00:32:f7:20:d1:
  52.                     c4:0c:bf:d8:54:7a:4e:73:cf:de:9b:e3:0a:2d:b4:
  53.                     9c:21:ae:e9:be:45:c4:09:5e:e3:e6:68:f9:fb:49:
  54.                     08:57:c1:a0:9b:c3:c6:a6:4a:d7:a8:09:a0:0f:ee:
  55.                     f7:01:f3:1b:a1:6e:e6:1d:15:08:d7:b3:e1:25:ef:
  56.                     4e:fb:57:cb:46:dd:1e:ad:64:67:20:5a:dc:aa:d8:
  57.                     49:e7
  58.                 Exponent: 65537 (0x10001)
  59.         X509v3 extensions:
  60.             X509v3 Basic Constraints:
  61.                 CA:FALSE
  62.             X509v3 Key Usage: critical
  63.                 Digital Signature
  64.             X509v3 CRL Distribution Points:
  65.  
  66.                 Full Name:
  67.                   URI:http://csc3-2010-crl.verisign.com/CSC3-2010.crl
  68.  
  69.             X509v3 Certificate Policies:
  70.                 Policy: 2.16.840.1.113733.1.7.23.3
  71.                   CPS: https://www.verisign.com/rpa
  72.  
  73.             X509v3 Extended Key Usage:
  74.                 Code Signing
  75.             Authority Information Access:
  76.                 OCSP - URI:http://ocsp.verisign.com
  77.                 CA Issuers - URI:http://csc3-2010-aia.verisign.com/CSC3-2010.cer
  78.  
  79.             X509v3 Authority Key Identifier:
  80.                 keyid:CF:99:A9:EA:7B:26:F4:4B:C9:8E:8F:D7:F0:05:26:EF:E3:D2:A7:9D
  81.  
  82.             Netscape Cert Type:
  83.                 Object Signing
  84.             1.3.6.1.4.1.311.2.1.27:
  85.                 0.......
  86.     Signature Algorithm: sha1WithRSAEncryption
  87.         a5:fd:c9:03:e4:18:30:09:07:54:9a:d5:32:9d:31:64:06:a5:
  88.         c7:96:a3:4d:8d:04:07:3a:00:1a:c8:20:40:de:d2:c7:17:9b:
  89.         19:f2:89:e2:71:ff:59:80:80:be:6f:02:bf:b4:9b:11:47:02:
  90.         ec:2d:13:44:1c:54:31:43:f9:be:92:10:1b:c1:0a:24:ac:07:
  91.         69:83:80:8c:4a:67:5a:36:10:c3:ee:03:a8:66:60:0a:e0:b4:
  92.         12:a9:9b:71:4a:4d:48:7b:b7:d5:1a:14:46:7b:20:47:12:9d:
  93.         96:4f:43:fe:e6:2b:f9:47:32:7b:02:91:99:f7:5d:d6:2b:b7:
  94.         dc:41:40:fb:e0:05:3e:6e:eb:7c:c1:e2:c1:7a:4b:c6:97:c8:
  95.         23:cd:ec:46:38:12:92:f4:32:f6:f7:cd:86:da:09:61:ff:98:
  96.         c5:54:35:94:49:53:dd:b9:d2:b4:71:44:b7:e7:31:81:6e:56:
  97.         b4:d5:45:ac:f9:fa:76:7d:5c:cf:96:c3:e6:44:ec:a0:3e:19:
  98.         e8:2a:fa:5f:f2:2a:13:d7:36:3e:eb:9e:fa:d1:85:73:3e:77:
  99.         7a:9c:c2:8d:0a:09:95:87:7d:5d:bf:b0:e2:6e:b0:6d:db:ed:
  100.         69:33:59:f4:d8:28:c4:00:4e:09:29:92:0c:46:3c:9d:61:b1:
  101.         63:eb:8a:2e
  102. -----BEGIN CERTIFICATE-----
  103. MIIFaDCCBFCgAwIBAgIQdaOFB79AOxUhJbj1zhuXrTANBgkqhkiG9w0BAQUFADCB
  104. tDELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMR8wHQYDVQQL
  105. ExZWZXJpU2lnbiBUcnVzdCBOZXR3b3JrMTswOQYDVQQLEzJUZXJtcyBvZiB1c2Ug
  106. YXQgaHR0cHM6Ly93d3cudmVyaXNpZ24uY29tL3JwYSAoYykxMDEuMCwGA1UEAxMl
  107. VmVyaVNpZ24gQ2xhc3MgMyBDb2RlIFNpZ25pbmcgMjAxMCBDQTAeFw0xMjEyMDcw
  108. MDAwMDBaFw0xNjAyMDUyMzU5NTlaMIGrMQswCQYDVQQGEwJDSDEQMA4GA1UECAwH
  109. WsO8cmljaDEQMA4GA1UEBwwHWsO8cmljaDESMBAGA1UECgwJaXNvbmV0IGFnMT4w
  110. PAYDVQQLDDVEaWdpdGFsIElEIENsYXNzIDMgLSBNaWNyb3NvZnQgU29mdHdhcmUg
  111. VmFsaWRhdGlvbiB2MjEQMA4GA1UECwwHVGVjaG5pazESMBAGA1UEAwwJaXNvbmV0
  112. IGFnMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnnOW7TLfyjq+XQ4m
  113. JVc5c3W+70qxT0MnJ66tc1DC6A2Y2u521a8mt126aVXV5SzgQIv14MiUIHxDY4NI
  114. cj3ukI/fzCUI3caRzGyU0Qd1TVxdpu1kVaaZbE7zqWv3INhfvYsEVVdUbc5svEWs
  115. JMp7XirrFVYGsYLVMH20UV8rHjhbHipLIA1Cu1HYDg8ERgy+MCxcOxJC4r5v6huf
  116. lLBM2laAF2QwqBwmhS3Bpe7QADL3INHEDL/YVHpOc8/em+MKLbScIa7pvkXECV7j
  117. 5mj5+0kIV8Ggm8PGpkrXqAmgD+73AfMboW7mHRUI17PhJe9O+1fLRt0erWRnIFrc
  118. qthJ5wIDAQABo4IBezCCAXcwCQYDVR0TBAIwADAOBgNVHQ8BAf8EBAMCB4AwQAYD
  119. VR0fBDkwNzA1oDOgMYYvaHR0cDovL2NzYzMtMjAxMC1jcmwudmVyaXNpZ24uY29t
  120. L0NTQzMtMjAxMC5jcmwwRAYDVR0gBD0wOzA5BgtghkgBhvhFAQcXAzAqMCgGCCsG
  121. AQUFBwIBFhxodHRwczovL3d3dy52ZXJpc2lnbi5jb20vcnBhMBMGA1UdJQQMMAoG
  122. CCsGAQUFBwMDMHEGCCsGAQUFBwEBBGUwYzAkBggrBgEFBQcwAYYYaHR0cDovL29j
  123. c3AudmVyaXNpZ24uY29tMDsGCCsGAQUFBzAChi9odHRwOi8vY3NjMy0yMDEwLWFp
  124. YS52ZXJpc2lnbi5jb20vQ1NDMy0yMDEwLmNlcjAfBgNVHSMEGDAWgBTPmanqeyb0
  125. S8mOj9fwBSbv49KnnTARBglghkgBhvhCAQEEBAMCBBAwFgYKKwYBBAGCNwIBGwQI
  126. MAYBAQABAf8wDQYJKoZIhvcNAQEFBQADggEBAKX9yQPkGDAJB1Sa1TKdMWQGpceW
  127. o02NBAc6ABrIIEDe0scXmxnyieJx/1mAgL5vAr+0mxFHAuwtE0QcVDFD+b6SEBvB
  128. CiSsB2mDgIxKZ1o2EMPuA6hmYArgtBKpm3FKTUh7t9UaFEZ7IEcSnZZPQ/7mK/lH
  129. MnsCkZn3XdYrt9xBQPvgBT5u63zB4sF6S8aXyCPN7EY4EpL0Mvb3zYbaCWH/mMVU
  130. NZRJU9250rRxRLfnMYFuVrTVRaz5+nZ9XM+Ww+ZE7KA+Gegq+l/yKhPXNj7rnvrR
  131. hXM+d3qcwo0KCZWHfV2/sOJusG3b7WkzWfTYKMQATgkpkgxGPJ1hsWPrii4=
  132. -----END CERTIFICATE-----
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