UAT-7810 Continues Building ORB Networks Using New Malware

    Date: 07/08/2026

    Severity: High

    Summary

    Researcher assesses UAT-7810 as a China-nexus APT that provides infrastructure support to other China-aligned threat actors, including UAT-5918. The group continues to enhance its custom malware ecosystem with LONGLEASH, DOGLEASH(shellcode-executing backdoor), LEASHTEST, and the Java-based JARLEASH backdoor. Researchers also identified new attacker-controlled infrastructure hosting DOGLEASH variants to support post-compromise operations.

    Indicators of Compromise (IOC) List

    Domain/URLs

    http://217.15.160.247:8088/

    http://217.15.160.247:2222/

    http://217.15.160.247:99/

    http://194.233.92.26:8088/

    http://194.233.92.26:2222/

    http://217.15.164.147:99/

    http://217.15.164.147:8088/

    http://217.15.164.147:2222/

    http://95.182.100.231:2222/

    IP Address

    194.233.92.26

    217.15.160.247

    217.15.164.147

    95.182.100.231

    Hash

    1b5649b479fd625de5c8120873644b5eb669cc89cd504582c18e0ae350fd8823

    755fcee1337a252203002ecfdf673a08cfadeda8d738bef2d518a08e0626aa4f

    e799d72929d7ccc7f6b6109742b8cc482838303207efc989543b6e1ca6d16e9c

    3b89d183eb014e29d9d0d4e45fc2b784a7fcfcf31dd48fd3bde30f8d956383d1

    324d95024fc8da5c92b5a1f4825aed5a2a91c9ca8fb6aa52abb332a4c9cf4257 

    bafba443170e54ef7fd431ce7f1b5e202719f3fd022e4ef70788904f574d2cdf

    604b53f87d6c070bf387e80c70a6df8d272fa3fc143148d41f13e59d52ab1f13 

    c92541f273eeb576d39235d0a5c6f18f2574b132a1022598edfa38065783ab98 

    29c7fccc6ef8cbfe4da9a169c7c74bacaea1fb515a1fddef91ab1b1522f76e4c 

    425bf771c8c9f740b1ae9803dcb4fd45af4d6a6f171fcc72fc7d511095ca82ce 

    ac8eae94d27122f4751bc96d9ea52d30000b7ca37569a2291b2710824ca3396f 

    dc4f25b2247cfdd6fc96848db30a178baa4419a4c854e86e315b465836102d14 

    3878dd5c8eba1e5b53ab2e07e7b5482e95a3fd3e98268bcd7861318bc9902376 

    9b9e0e5a1eb469b8d20dc23351e08ff5d5731e1cedce0ddee9bbd00a76217f13 

    57bdab2ba4b05ec0338c06632599393d5b14227f31a43fe950ea8fdd47428715 

    b8d247fd1fb85d24a17afeec3815906dfbcdc5359647910b4a153900ec999a0f 

    5e225ea2648a8cba0fd94ec7fd8ce5315f5d0cc2922bafc9db3c8c41280e917c 

    d5cf7315186a78ab6a7475c338bdf101bc6461930aaa7a012a02cf93f347c207 

    dd0fc1a88180fde8367bec7086f99294f36b8332f12994293139ed532d2ebbac 

    5c3f190571645c4641dcff2c07a4c3ab9acad06aa9607350a385729d8d6139f1 

    323c3a91be60ebc3e06e942bad04899a15911cea23269e43d07829164b2ce5d4 

    880425fee707e9f42e0b8d60119ed639b1ad506ea29877d126bdebce379cd229 

    e5d2de8ae98579bfb940290f60e59a502b3065345aaf765456387989c0488b20 

    2e0e43776e2e1a37d882a1b2ebb7d337ee88950177e43831dae645a367824feb 

    b5969636eec376ad6c3ece2202b1722219955638e09b6f96d4cfc0598d3b1890 

    1660536f448b8b9f086ce9ea3ce4e9deefc59a76711ea53ee6d8f08fc8c1bb99 

    65feba2c971c214e71303ad2e0fbf62b45ebcaa784cbf3d0dab62786cb4c0469 

    53ac2b231c23d41234e55b1f7ed89f86234f785adbbe820959655d7b019d7df9 

    33c10b77e1da9f0679023d55fb3057879d15609db9c1d46ee5c3ff1240a3d052 

    5faea1650cac0f3ffd2dc1fb220182095a46e34158967d37c2a942e85e2ca97b 

    62d4ec87ed21f0d15cb769b0b2a5577cab41fc2cdb1e7e796c5bdff09264dd9a 

    534a4a5bff2609a2d6e088cb87465c08c2d69c6aaa7d2ffcbcd491274b8505f1 

    5eab4c61baa67ae2838a36c2e6ff0476a8f2117b96a7027b830c8cb46ce78efc 

    0af4c52a1d13e4132a1843ce7727abcf0ddd4d1ca6a4b17cdf599ec3f355c241 

    d4861088161fc72b9922abf933b4ea664a807105ec1eab4a173253aa60bfe6d7 

    3d296af7f29c0425655bd1cc0be48fe4aba52ee6760a89e805ca2589f4ef4d77 

    f235d2e044c2f7814e6bbcd835b9fd9f10f227dacfb9396185ec2013e7df4db4 

    4130f49fa81a699a667cafdbd6d1f6e781edd686c947eb8ae27134f6dc2c43d7 

    0a8555a71868749be8c905ed53296ce335af50a9262772b5e154ad3f9c35c2e4 

    5dbfa033676b5caacfae902734ce462cd871181eefbe299250ca8ac7e139719e 

    20fcba222f74dd68aaeb1f0ad30cdf702a828ee164a182b30d05d600c35b72d9 

    912adea5339c73cb4a777a3e9f98bf3cb08da6622c9dd3b4cc9b083cb03d10a2 

    03926e3da998f32ad898b640bd15cf145768f9e849e6f18d81350234254c424e 

    16971f9706d70ac4925651c7c8719b9d77aff63e4c0a618129efc32c2c46b989 

    6917c0f9eafefe42e33e791b75a7e503ff8b081bc10a98449e4076787dfc6c16 

    c7c9bfa9ffcd8fb6a2afe656f510c406ddc58ebff48ce1d0fd3fad951b46a36e 

    b9fe48bda9a6c8787981a24f8bbc723a6f6aa80cab5fa53481937382f3c6ce85 

    f3fbf4481f30fd840f35568746f54be49eb92b2c9ac95597a7760abb171cb54b 

    6366d59b573d50fd23ff650923c4a8c1c918518a02d0a56f12c23533c45f439d 

    3fcaa3038e365b6ab0b121e2cd319c56b74e37381943a0da0e8dce407087cdb8 

    bf70c6f3a8e913f526ec57eeec50e1306f7b34b037915b7a1cf2968cc46acc58 

    0352f3e338261d98895df4c7b7a76b296485b2290c72bce56603351d167d0601 

    52b871429833e1dee348263844efb531f6a3fcd321f88dc8a876caaee912cedd 

    5db2ce9acd50f96d566e8d139f6490abf2bbf7a9293b876eeb4598fd2c37c515 

    3169a6dbcce684e2c5a2f166996b58ffa673df6e58b8edf2bdf3e66271c8c69e 

    d871d76171504597bbda387689e12e7a5e354c360ff135f4df231cec68c761af 

    d1f963b88672f3676a7da1580262ba0d4f367cc57a94b551754c20f77a670c43 

    76d9e2a2ff313f5b91cc67aab1127122baee1c3efbae1087e58a25bc5f1eb065 

    8c104da0e66ef6384663309aaf8fb49f549f2785d835eec620b265f8aa11d9f0 

    c494c878e28284539419612616d964ab9224cbe27e57f42293d91d02d684e3db 

    08701ed7975bf4f5688c2724d27ab497764200ad6f4dc53d3cc03b170378ced0 

    604b53f87d6c070bf387e80c70a6df8d272fa3fc143148d41f13e59d52ab1f13 

    0a8cae96e25e85c612b0736fe886f9b124ad70ec425bc2ec1a8a4135b25436ba 

    8459ff264a2c81c68a34c4ee6bc109d141ad28b96037d34ff112322a4c853739 

    68445a37a9943a267a8b2100fba2678353d6ec88844505ccbba659e586c7a105 

    29686c933cec1e274467e2dae264625ae6f754824bb7f550bc9c3131f625562c 

    d973ad5a80c3d7468a9c392db4166857ed32b5d61cd6755766ba8922156dada3 

    f5a57dfae488d9dfe260b32460a1d947fb5af58ceaf2fb0139bc08b4bb79a966 

    2ebc1b6cf543e2cb3f22d9a5b54b6676bb71dde98df7532f8791297734e44fdd 

    6dbd507ca7cecea861f9cf704b3c5c37f5bd5392886a8c2562088892b7703fa5 

    89f0a67bc595ab8bce02c2f95f9292ad06e1868207e809c76bd16f0cab800c06 

    d81201d0fc19977e51104438a5b9cba861f4da20cea3ae9183edf16ab11d98f8 

    9d52cb4febf3342c34dcc8198dcaf453458be3699ab47dc08616aa7f18daa7fa 

    9a927c37a31b80975c5c5467f112b61478c9493c046281046443525358a5acb0 

    6cda1e81667f869940401f05a55c8dea94dbdf3ceffb93b5f320a6462cfea44d 

    745538dea8ed9aec4466e67a9d0aecf9e7026ff16a792d1d6f306e8b67d3f34c 

    13acadb3541e75af50e02d5be56c2238b93d8f154ce5514be1558e6ee59a1432

    Gurucul Threat Detection and Incident Response (TDIR) Queries for Detection

    Detection Query 1 :

    domainname like "http://217.15.160.247:2222/" or url like "http://217.15.160.247:2222/" or siteurl like "http://217.15.160.247:2222/" or domainname like "http://217.15.164.147:99/" or url like "http://217.15.164.147:99/" or siteurl like "http://217.15.164.147:99/" or domainname like "http://194.233.92.26:2222/" or url like "http://194.233.92.26:2222/" or siteurl like "http://194.233.92.26:2222/" or domainname like "http://194.233.92.26:8088/" or url like "http://194.233.92.26:8088/" or siteurl like "http://194.233.92.26:8088/" or domainname like "http://217.15.160.247:99/" or url like "http://217.15.160.247:99/" or siteurl like "http://217.15.160.247:99/" or domainname like "http://217.15.160.247:8088/" or url like "http://217.15.160.247:8088/" or siteurl like "http://217.15.160.247:8088/" or domainname like "http://95.182.100.231:2222/" or url like "http://95.182.100.231:2222/" or siteurl like "http://95.182.100.231:2222/" or domainname like "http://217.15.164.147:8088/" or url like "http://217.15.164.147:8088/" or siteurl like "http://217.15.164.147:8088/" or domainname like "http://217.15.164.147:2222/" or url like "http://217.15.164.147:2222/" or siteurl like "http://217.15.164.147:2222/"

    Detection Query 2 :

    dstipaddress IN ("217.15.164.147","217.15.160.247","194.233.92.26","95.182.100.231") or srcipaddress IN ("217.15.164.147","217.15.160.247","194.233.92.26","95.182.100.231")

    Detection Query 3 :

    sha256hash IN ("3d296af7f29c0425655bd1cc0be48fe4aba52ee6760a89e805ca2589f4ef4d77","5c3f190571645c4641dcff2c07a4c3ab9acad06aa9607350a385729d8d6139f1","d973ad5a80c3d7468a9c392db4166857ed32b5d61cd6755766ba8922156dada3","6dbd507ca7cecea861f9cf704b3c5c37f5bd5392886a8c2562088892b7703fa5","9d52cb4febf3342c34dcc8198dcaf453458be3699ab47dc08616aa7f18daa7fa","b9fe48bda9a6c8787981a24f8bbc723a6f6aa80cab5fa53481937382f3c6ce85","57bdab2ba4b05ec0338c06632599393d5b14227f31a43fe950ea8fdd47428715","b5969636eec376ad6c3ece2202b1722219955638e09b6f96d4cfc0598d3b1890","323c3a91be60ebc3e06e942bad04899a15911cea23269e43d07829164b2ce5d4","6366d59b573d50fd23ff650923c4a8c1c918518a02d0a56f12c23533c45f439d","52b871429833e1dee348263844efb531f6a3fcd321f88dc8a876caaee912cedd","65feba2c971c214e71303ad2e0fbf62b45ebcaa784cbf3d0dab62786cb4c0469","76d9e2a2ff313f5b91cc67aab1127122baee1c3efbae1087e58a25bc5f1eb065","3fcaa3038e365b6ab0b121e2cd319c56b74e37381943a0da0e8dce407087cdb8","62d4ec87ed21f0d15cb769b0b2a5577cab41fc2cdb1e7e796c5bdff09264dd9a","bf70c6f3a8e913f526ec57eeec50e1306f7b34b037915b7a1cf2968cc46acc58","745538dea8ed9aec4466e67a9d0aecf9e7026ff16a792d1d6f306e8b67d3f34c","dd0fc1a88180fde8367bec7086f99294f36b8332f12994293139ed532d2ebbac","324d95024fc8da5c92b5a1f4825aed5a2a91c9ca8fb6aa52abb332a4c9cf4257","5eab4c61baa67ae2838a36c2e6ff0476a8f2117b96a7027b830c8cb46ce78efc","912adea5339c73cb4a777a3e9f98bf3cb08da6622c9dd3b4cc9b083cb03d10a2","9b9e0e5a1eb469b8d20dc23351e08ff5d5731e1cedce0ddee9bbd00a76217f13","68445a37a9943a267a8b2100fba2678353d6ec88844505ccbba659e586c7a105","2ebc1b6cf543e2cb3f22d9a5b54b6676bb71dde98df7532f8791297734e44fdd","8459ff264a2c81c68a34c4ee6bc109d141ad28b96037d34ff112322a4c853739","9a927c37a31b80975c5c5467f112b61478c9493c046281046443525358a5acb0","5e225ea2648a8cba0fd94ec7fd8ce5315f5d0cc2922bafc9db3c8c41280e917c","4130f49fa81a699a667cafdbd6d1f6e781edd686c947eb8ae27134f6dc2c43d7","6cda1e81667f869940401f05a55c8dea94dbdf3ceffb93b5f320a6462cfea44d","534a4a5bff2609a2d6e088cb87465c08c2d69c6aaa7d2ffcbcd491274b8505f1","0352f3e338261d98895df4c7b7a76b296485b2290c72bce56603351d167d0601","755fcee1337a252203002ecfdf673a08cfadeda8d738bef2d518a08e0626aa4f","5db2ce9acd50f96d566e8d139f6490abf2bbf7a9293b876eeb4598fd2c37c515","d871d76171504597bbda387689e12e7a5e354c360ff135f4df231cec68c761af","13acadb3541e75af50e02d5be56c2238b93d8f154ce5514be1558e6ee59a1432","880425fee707e9f42e0b8d60119ed639b1ad506ea29877d126bdebce379cd229","2e0e43776e2e1a37d882a1b2ebb7d337ee88950177e43831dae645a367824feb","0af4c52a1d13e4132a1843ce7727abcf0ddd4d1ca6a4b17cdf599ec3f355c241","3169a6dbcce684e2c5a2f166996b58ffa673df6e58b8edf2bdf3e66271c8c69e","f235d2e044c2f7814e6bbcd835b9fd9f10f227dacfb9396185ec2013e7df4db4","c7c9bfa9ffcd8fb6a2afe656f510c406ddc58ebff48ce1d0fd3fad951b46a36e","d4861088161fc72b9922abf933b4ea664a807105ec1eab4a173253aa60bfe6d7","d1f963b88672f3676a7da1580262ba0d4f367cc57a94b551754c20f77a670c43","89f0a67bc595ab8bce02c2f95f9292ad06e1868207e809c76bd16f0cab800c06","0a8cae96e25e85c612b0736fe886f9b124ad70ec425bc2ec1a8a4135b25436ba","29c7fccc6ef8cbfe4da9a169c7c74bacaea1fb515a1fddef91ab1b1522f76e4c","d5cf7315186a78ab6a7475c338bdf101bc6461930aaa7a012a02cf93f347c207","1660536f448b8b9f086ce9ea3ce4e9deefc59a76711ea53ee6d8f08fc8c1bb99","53ac2b231c23d41234e55b1f7ed89f86234f785adbbe820959655d7b019d7df9","33c10b77e1da9f0679023d55fb3057879d15609db9c1d46ee5c3ff1240a3d052","c494c878e28284539419612616d964ab9224cbe27e57f42293d91d02d684e3db","3878dd5c8eba1e5b53ab2e07e7b5482e95a3fd3e98268bcd7861318bc9902376","f5a57dfae488d9dfe260b32460a1d947fb5af58ceaf2fb0139bc08b4bb79a966","c92541f273eeb576d39235d0a5c6f18f2574b132a1022598edfa38065783ab98","8c104da0e66ef6384663309aaf8fb49f549f2785d835eec620b265f8aa11d9f0","03926e3da998f32ad898b640bd15cf145768f9e849e6f18d81350234254c424e","1b5649b479fd625de5c8120873644b5eb669cc89cd504582c18e0ae350fd8823","f3fbf4481f30fd840f35568746f54be49eb92b2c9ac95597a7760abb171cb54b","604b53f87d6c070bf387e80c70a6df8d272fa3fc143148d41f13e59d52ab1f13","3b89d183eb014e29d9d0d4e45fc2b784a7fcfcf31dd48fd3bde30f8d956383d1","0a8555a71868749be8c905ed53296ce335af50a9262772b5e154ad3f9c35c2e4","29686c933cec1e274467e2dae264625ae6f754824bb7f550bc9c3131f625562c","6917c0f9eafefe42e33e791b75a7e503ff8b081bc10a98449e4076787dfc6c16","d81201d0fc19977e51104438a5b9cba861f4da20cea3ae9183edf16ab11d98f8","08701ed7975bf4f5688c2724d27ab497764200ad6f4dc53d3cc03b170378ced0","ac8eae94d27122f4751bc96d9ea52d30000b7ca37569a2291b2710824ca3396f","20fcba222f74dd68aaeb1f0ad30cdf702a828ee164a182b30d05d600c35b72d9","e5d2de8ae98579bfb940290f60e59a502b3065345aaf765456387989c0488b20","5faea1650cac0f3ffd2dc1fb220182095a46e34158967d37c2a942e85e2ca97b","e799d72929d7ccc7f6b6109742b8cc482838303207efc989543b6e1ca6d16e9c","16971f9706d70ac4925651c7c8719b9d77aff63e4c0a618129efc32c2c46b989","b8d247fd1fb85d24a17afeec3815906dfbcdc5359647910b4a153900ec999a0f","dc4f25b2247cfdd6fc96848db30a178baa4419a4c854e86e315b465836102d14","425bf771c8c9f740b1ae9803dcb4fd45af4d6a6f171fcc72fc7d511095ca82ce","bafba443170e54ef7fd431ce7f1b5e202719f3fd022e4ef70788904f574d2cdf","5dbfa033676b5caacfae902734ce462cd871181eefbe299250ca8ac7e139719e")

    Reference:  https://blog.talosintelligence.com/uat-7810/ 


    Tags

    MalwareThreat ActorChina-NexusAPTUAT-5918BackdoorShellcode

    « Previous Article

    Comments

    No records to display

    Looking for Something?
    Threat Research Categories:
    Tags