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VulnerabilitycriticalExploited in the wild

New malicious web shell from the Tropic Trooper group is found in the Middle East

Kaspersky Securelistby @Securelist ()13 min read2 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2021-31207
Security feature bypass in Microsoft Exchange Server (ProxyShell) enables webshell RCE
6.6100%KEVRansomwarePoC
KEV
CVE-2021-34473
+1 related CVE
SSRF (CWE-918) in Microsoft Exchange Server Enabling RCE (ProxyShell)
9.1
group max
100%KEVRansomwarePoC
KEV
CVE-2023-26360
Unauthenticated RCE via Improper Access Control in Adobe ColdFusion
8.697%KEVPoC
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domaintechmersion.comt is hardcoded in the payload using its configuration (blog.techmersion[.]com on port 443). We compared the collected samples with the
md50b9ae998423a207f021f8e61b93bc849ows\branding\data 2024.04.28 Tue Jun 10 10:39:52 2025 (UTC) 0b9ae998423a207f021f8e61b93bc849 (variant 2) VERSION.dll c:\Windows\branding\data 2024.05.15
md51dd03936baf0fe95b7e5b54a9dd4a5776d584da56c182c datastate.dll Clear – Server 2024-02-23 81KB 1dd03936baf0fe95b7e5b54a9dd4a577 datast.dll Ldf/rcd 2024-02-23 80KB 8a900f742d0e3cd3898f37db
md52c7ebd103514018bad223f25026d4db3958b9bbbf2838 datastate.dll Clear – Server 2023-03-22 178KB 2c7ebd103514018bad223f25026d4db3 datastate.dll Clear – Server 2023-03-10 81KB Recent variant
md53f15c4431ad4573344ad56e8384ebd624.05.15 5 Technical details Webshells — Umbraco modules MD5 3f15c4431ad4573344ad56e8384ebd62 Sha-1 311d1d50673fbfc40b84d94239cd4fa784269465 Sha256 8df9f
md5475aa86ae60c640eec4fdea93b5ed04dows\branding\data 2024.05.15 Thu Oct 24 10:23:24 2024 (UTC) 475aa86ae60c640eec4fdea93b5ed04d (legitimate executable) inst.exe c:\Windows\branding\data 2
md58a900f742d0e3cd3898f37dbc3d6e054baf0fe95b7e5b54a9dd4a577 datast.dll Ldf/rcd 2024-02-23 80KB 8a900f742d0e3cd3898f37dbc3d6e054 NA Clear – Server 2023-10-30 80kB a213873eb55dc092ddf3adbeb
md5a213873eb55dc092ddf3adbeb242bd44th as the legitimate executable. The datast.dll library MD5 a213873eb55dc092ddf3adbeb242bd44 Sha-1 3650899c669986e5f4363fdbd6cf5b78a6fcd484 Sha256 23dea
md5c10643b3fb304972c650e593b69faaa1b7e5b54a9dd4a577 Utility DLL used by datastate.dll WinStore c10643b3fb304972c650e593b69faaa1 Encrypted shellcode payload file These files are also invol
md5dd7593e9ba80502505c958b9bbbf28385dc092ddf3adbeb242bd44 datast.dll InitCore 2023-07-21 178KB dd7593e9ba80502505c958b9bbbf2838 datastate.dll Clear – Server 2023-03-22 178KB 2c7ebd1035140
md5e845563ba35e8d227152165b0c3e769fle name File path File creation date Compilation timestamps e845563ba35e8d227152165b0c3e769f (variant 1) VERSION.dll c:\Windows\branding\data 2024.04.28
md5fca94b8b718357143c53620c6b360470lled using the rundll32 command from the a . bat file (MD5: fca94b8b718357143c53620c6b360470), which we were unable to obtain. A second assumption is th
md5fd8382efb0a16225896d584da56c182chashes File name Exported functions File creation date Size fd8382efb0a16225896d584da56c182c datastate.dll Clear – Server 2024-02-23 81KB 1dd03936baf0fe
sha1311d1d50673fbfc40b84d94239cd4fa784269465Umbraco modules MD5 3f15c4431ad4573344ad56e8384ebd62 Sha-1 311d1d50673fbfc40b84d94239cd4fa784269465 Sha256 8df9fa495892fc3d183917162746ef8fd9e438ff0d639264236d
sha13650899c669986e5f4363fdbd6cf5b78a6fcd484tast.dll library MD5 a213873eb55dc092ddf3adbeb242bd44 Sha-1 3650899c669986e5f4363fdbd6cf5b78a6fcd484 Sha256 23dea3a74e3ff6a367754d02466db4c86ffda47efe09529d3aad
sha25623dea3a74e3ff6a367754d02466db4c86ffda47efe09529d3aad52b0d5694b302bd44 Sha-1 3650899c669986e5f4363fdbd6cf5b78a6fcd484 Sha256 23dea3a74e3ff6a367754d02466db4c86ffda47efe09529d3aad52b0d5694b30 Link-Time Thu Jul 27 16:21:38 2023 (UTC) File Type dynamic-
sha2568df9fa495892fc3d183917162746ef8fd9e438ff0d639264236db553b09629dcebd62 Sha-1 311d1d50673fbfc40b84d94239cd4fa784269465 Sha256 8df9fa495892fc3d183917162746ef8fd9e438ff0d639264236db553b09629dc Link-Time 2024-05-06 10:19:28 File Type dynamic-link-librar

From the original article

13 min read at securelist.com

Tropic Trooper (also known as KeyBoy and Pirate Panda) is an APT group active since 2011. This group has traditionally targeted sectors such as government, healthcare, transportation and high-tech industries in Taiwan, the Philippines and Hong Kong. Our recent investigation has revealed that in 2024 they conducted persistent campaigns targeting a government entity in the Middle East, starting in June 2023.

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.