[Symantec] Daxin: Stealthy Backdoor Designed for Attacks Against Hardened Networks

[kbandla]

Release date: 2022-02-28

Vendor: Symantec

Link: https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/daxin-backdoor-espionage

[kbandla]

Indicators of Compromise

Malware related to Daxin activity:

81c7bb39100d358f8286da5e9aa838606c98dfcc263e9a82ed91cd438cb130d1 Backdoor.Daxin (32-bit core)
06a0ec9a316eb89cb041b1907918e3ad3b03842ec65f004f6fa74d57955573a4 Backdoor.Daxin (64-bit core)
0f82947b2429063734c46c34fb03b4fa31050e49c27af15283d335ea22fe0555 Backdoor.Daxin (64-bit core)
3e7724cb963ad5872af9cfb93d01abf7cd9b07f47773360ad0501592848992f4 Backdoor.Daxin (64-bit core)
447c3c5ac9679be0a85b3df46ec5ee924f4fbd8d53093125fd21de0bff1d2aad Backdoor.Daxin (64-bit core)
49c827cf48efb122a9d6fd87b426482b7496ccd4a2dbca31ebbf6b2b80c98530 Backdoor.Daxin (64-bit core)
5bc3994612624da168750455b363f2964e1861dba4f1c305df01b970ac02a7ae Backdoor.Daxin (64-bit core)
5c1585b1a1c956c7755429544f3596515dfdf928373620c51b0606a520c6245a Backdoor.Daxin (64-bit core)
6908ebf52eb19c6719a0b508d1e2128f198d10441551cbfb9f4031d382f5229f Backdoor.Daxin (64-bit core)
7867ba973234b99875a9f5138a074798b8d5c65290e365e09981cceb06385c54 Backdoor.Daxin (64-bit core)
7a08d1417ca056da3a656f0b7c9cf6cd863f9b1005996d083a0fc38d292b52e9 Backdoor.Daxin (64-bit core)
8d9a2363b757d3f127b9c6ed8f7b8b018e652369bc070aa3500b3a978feaa6ce Backdoor.Daxin (64-bit core)
b0eb4d999e4e0e7c2e33ff081e847c87b49940eb24a9e0794c6aa9516832c427 Backdoor.Daxin (64-bit core)
b9dad0131c51e2645e761b74a71ebad2bf175645fa9f42a4ab0e6921b83306e3 Backdoor.Daxin (64-bit core)
cf00e7cc04af3f7c95f2b35a6f3432bef990238e1fa6f312faf64a50d495630a Backdoor.Daxin (64-bit core)
e7af7bcb86bd6bab1835f610671c3921441965a839673ac34444cf0ce7b2164e Backdoor.Daxin (64-bit core)
ea3d773438c04274545d26cc19a33f9f1dbbff2a518e4302addc1279f9950cef Backdoor.Daxin (64-bit core)
08dc602721c17d58a4bc0c74f64a7920086f776965e7866f68d1676eb5e7951f Backdoor.Daxin (dropper)
53d23faf8da5791578c2f5e236e79969289a7bba04eee2db25f9791b33209631 Backdoor.Daxin (dropper)
7a7e8df7173387aec593e4fe2b45520ea3156c5f810d2bb1b2784efd1c922376 Backdoor.Zala (32-bit core)
8dafe5f3d0527b66f6857559e3c81872699003e0f2ffda9202a1b5e29db2002e Backdoor.Zala (32-bit core)
96bf3ee7c6673b69c6aa173bb44e21fa636b1c2c73f4356a7599c121284a51cc Backdoor.Trojan (32-bit core)
9c2f3e9811f7d0c7463eaa1ee6f39c23f902f3797b80891590b43bbe0fdf0e51 Backdoor.Trojan (32-bit core)
c0d88db11d0f529754d290ed5f4c34b4dba8c4f2e5c4148866daabeab0d25f9c Backdoor.Trojan (32-bit core)
e6a7b0bc01a627a7d0ffb07faddb3a4dd96b6f5208ac26107bdaeb3ab1ec8217 Backdoor.Trojan (32-bit core)

File names attributed to Daxin activity:

• "ipfltdrvs.sys"
• "ndislan.sys"
• "ndislan_win2008_x64.sys"
• "ntbios.sys"
• "patrol.sys"
• "performanceaudit.sys"
• "print64.sys"
• "printsrv64.sys"
• "prv64.sys"
• "sqlwriter.sys"
• "srt.sys"
• "srt64.sys"
• "syswant.sys"
• "usbmrti.sys"
• "vncwantd.sys"
• "wantd.sys"
• "win2k8.sys"
• "wmipd.sys"
• "[CSIDL_SYSTEM]\drivers\pagefile.sys"
• "[CSIDL_SYSTEM]\spool\drivers\ntds.sys"

Malware observed during overlapping activities:

705be833bd1880924c99ec9cf1bd0fcf9714ae0cec7fd184db051d49824cbbf4 suspected Backdoor.Daxin
c791c007c8c97196c657ac8ba25651e7be607565ae0946742a533af697a61878 suspected Backdoor.Daxin
514d389ce87481fe1fc6549a090acf0da013b897e282ff2ef26f783bd5355a01 Trojan.Emulov (core)
1a5c23a7736b60c14dc50bf9e802db3fcd5b6c93682bc40141d6794ae96138d3 Trojan.Emulov (dropper)
a0ac5f7d41e9801b531f8ca333c31021c5e064f13699dbd72f3dfd429f19bb26 Trojan.Owprox (core)
aa7047a3017190c66568814eb70483bf74c1163fb4ec1c515c1de29df18e26d7 Trojan.Owprox (dropper)