Analysis Overview
SHA256
2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0
Threat Level: Known bad
The file 2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0 was found to be: Known bad.
Malicious Activity Summary
Neshta
Executes dropped EXE
Checks computer location settings
Modifies system executable filetype association
Loads dropped DLL
Reads user/profile data of web browsers
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-19 19:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-19 19:38
Reported
2024-05-19 19:41
Platform
win7-20240221-en
Max time kernel
117s
Max time network
122s
Command Line
Signatures
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe | N/A |
Loads dropped DLL
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe
"C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe"
C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe
"C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe
| MD5 | 36237f67229d22e30adb39ef6d31d123 |
| SHA1 | 7f46b4633a8e2c345816b1793fe02eaa695a91cb |
| SHA256 | f832d64b97f085f3acc071f4f035472bc65c0e9f91e6a9c5413943da80f6fdcf |
| SHA512 | 01437e820d4054082f3d7829bafff904f736890c8cb40ab8e9e81c987ca7ee5808da725ee85aca9a18028042a46dcba0a055fd50a32ccff2036a87780c1f8c90 |
C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE
| MD5 | 754309b7b83050a50768236ee966224f |
| SHA1 | 10ed7efc2e594417ddeb00a42deb8fd9f804ed53 |
| SHA256 | acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6 |
| SHA512 | e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614 |
C:\Users\Admin\AppData\Local\Temp\nso8F65.tmp\TvGetVersion.dll
| MD5 | 63a1e68cac00ced9a223a63dfef18fb2 |
| SHA1 | ed06a5a6feec468ad1860f3b43fbfbbe90ec9eea |
| SHA256 | aad1cf72dca9ba974257991d9299be7bbf3e02c26b23fc72a9710cde34e441c2 |
| SHA512 | 48bfabe6c54e7a5590814bfa8db48c519b85d5565c4d5b344aa5357e14dc2a69e23d158b76e6eb2c9f44c4c811590c118d092864dc18b02f592d76c73601e67b |
\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe
| MD5 | 88b755bdd635d5d10f49823a3e9fe775 |
| SHA1 | 568e684b1a3eee0b8511523e8658916e646f214f |
| SHA256 | 372400dfe62c18b70e408723319856a853bf5694ec864e6ab8bf1d5b8fb4f88a |
| SHA512 | bee2498686011c37f29c63edccd4a31489c92039298a676e18a085cbc08f3b09383c35d28619bdd8cda705e6549c5585304558d834fc6c29003dfdb925fe73ea |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\UserInfo.dll
| MD5 | c7ce0e47c83525983fd2c4c9566b4aad |
| SHA1 | 38b7ad7bb32ffae35540fce373b8a671878dc54e |
| SHA256 | 6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae |
| SHA512 | ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e |
\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\System.dll
| MD5 | bf712f32249029466fa86756f5546950 |
| SHA1 | 75ac4dc4808ac148ddd78f6b89a51afbd4091c2e |
| SHA256 | 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af |
| SHA512 | 13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4 |
C:\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\start_unicode.ini
| MD5 | 1509714929f3c77b929fda542207d98c |
| SHA1 | b955f918b1f0a1669017af939070789fa325f2bc |
| SHA256 | b76e27078dd3b56b8270d45d2747bfe1406ce18e52d22dea154d306dafad2312 |
| SHA512 | cb683846fbb35d69d57f636bf5e10db4150393cbea831101ee25107be65d95de29bf550d13d8a0567b96a93c6a80d10f5f821b888aa5227b995a9bddd3916b7a |
C:\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\advanced_unicode.ini
| MD5 | 8b3e104f11c5d046bd93df4e9fb40f4e |
| SHA1 | 0362bb65744a07563dc05cd612dd54a865233d79 |
| SHA256 | cc18c611578d796a879cac46746406dbaa96eddd544d7a12d4fa56856cb2cbc1 |
| SHA512 | edc08be542234c3ed6a94c46c610eb5398782c580859eda11f35df6112b3dfee10cf4be068c7a87f39a339f10a9176350cae9f657857375d641a35d5d151ced8 |
\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\InstallOptions.dll
| MD5 | 89351a0a6a89519c86c5531e20dab9ea |
| SHA1 | 9e801aaaae9e70d8f7fc52f6f12cedc55e4c8a00 |
| SHA256 | f530069ef87a1c163c4fd63a3d5b053420ce3d7a98739c70211b4a99f90d6277 |
| SHA512 | 13168fa828b581383e5f64d3b54be357e98d2eb9362b45685e7426ffc2f0696ab432cc8a3f374ce8abd03c096f1662d954877afa886fc4aa74709e6044b75c08 |
C:\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\start_unicode.ini
| MD5 | 2812313919a4ffba55d1a5e116f9b4bb |
| SHA1 | c8d04ecbb89056e4d3110042869e48aaf014979f |
| SHA256 | 31773446151248f732c087a5c47cd244e931f57efdbb53ff3f964d8f703ef813 |
| SHA512 | 8037e1d9109842f8dbb5e113e587fa3b216ab24c7f8ee05f9ef3894908a51afc26d0ec8e47a4dc1d0455f727c5b75497817b8797da1dc8ff080f88afa8b13db4 |
\Users\Admin\AppData\Local\Temp\nsd91E5.tmp\linker.dll
| MD5 | 4ac3f0ab2e423515ed9c575333342054 |
| SHA1 | a3e4f2b2135157f964d471564044b023a64f2532 |
| SHA256 | f223d6c72f86544b358a6301daf60ccdd86198f32e3447a1860acf3f59f2dae9 |
| SHA512 | 8fbd5b4989be51c27fa15af155d2921bea9aa5d0557a22d4224256e678dfe7dcaa5f80917a748c31dc9c9a91573e4618e2497ccfd47eefd7a0fa08c12366a1e5 |
memory/2772-360-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2772-361-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2772-362-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2772-363-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2772-365-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-19 19:38
Reported
2024-05-19 19:41
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe | N/A |
Loads dropped DLL
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe
"C:\Users\Admin\AppData\Local\Temp\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe"
C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe
"C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 70.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\2372a95d3d6d087102411165a027aafbe7994d73774f96c89394a8c6050009f0.exe
| MD5 | 36237f67229d22e30adb39ef6d31d123 |
| SHA1 | 7f46b4633a8e2c345816b1793fe02eaa695a91cb |
| SHA256 | f832d64b97f085f3acc071f4f035472bc65c0e9f91e6a9c5413943da80f6fdcf |
| SHA512 | 01437e820d4054082f3d7829bafff904f736890c8cb40ab8e9e81c987ca7ee5808da725ee85aca9a18028042a46dcba0a055fd50a32ccff2036a87780c1f8c90 |
C:\Users\Admin\AppData\Local\Temp\nsa2ED1.tmp\TvGetVersion.dll
| MD5 | 63a1e68cac00ced9a223a63dfef18fb2 |
| SHA1 | ed06a5a6feec468ad1860f3b43fbfbbe90ec9eea |
| SHA256 | aad1cf72dca9ba974257991d9299be7bbf3e02c26b23fc72a9710cde34e441c2 |
| SHA512 | 48bfabe6c54e7a5590814bfa8db48c519b85d5565c4d5b344aa5357e14dc2a69e23d158b76e6eb2c9f44c4c811590c118d092864dc18b02f592d76c73601e67b |
C:\Users\Admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_.exe
| MD5 | 88b755bdd635d5d10f49823a3e9fe775 |
| SHA1 | 568e684b1a3eee0b8511523e8658916e646f214f |
| SHA256 | 372400dfe62c18b70e408723319856a853bf5694ec864e6ab8bf1d5b8fb4f88a |
| SHA512 | bee2498686011c37f29c63edccd4a31489c92039298a676e18a085cbc08f3b09383c35d28619bdd8cda705e6549c5585304558d834fc6c29003dfdb925fe73ea |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
| MD5 | d9e8a1fa55faebd36ed2342fedefbedd |
| SHA1 | c25cc7f0035488de9c5df0121a09b5100e1c28e9 |
| SHA256 | bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a |
| SHA512 | 134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33 |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\UserInfo.dll
| MD5 | c7ce0e47c83525983fd2c4c9566b4aad |
| SHA1 | 38b7ad7bb32ffae35540fce373b8a671878dc54e |
| SHA256 | 6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae |
| SHA512 | ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\System.dll
| MD5 | bf712f32249029466fa86756f5546950 |
| SHA1 | 75ac4dc4808ac148ddd78f6b89a51afbd4091c2e |
| SHA256 | 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af |
| SHA512 | 13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4 |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\start_unicode.ini
| MD5 | 1509714929f3c77b929fda542207d98c |
| SHA1 | b955f918b1f0a1669017af939070789fa325f2bc |
| SHA256 | b76e27078dd3b56b8270d45d2747bfe1406ce18e52d22dea154d306dafad2312 |
| SHA512 | cb683846fbb35d69d57f636bf5e10db4150393cbea831101ee25107be65d95de29bf550d13d8a0567b96a93c6a80d10f5f821b888aa5227b995a9bddd3916b7a |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\advanced_unicode.ini
| MD5 | 8b3e104f11c5d046bd93df4e9fb40f4e |
| SHA1 | 0362bb65744a07563dc05cd612dd54a865233d79 |
| SHA256 | cc18c611578d796a879cac46746406dbaa96eddd544d7a12d4fa56856cb2cbc1 |
| SHA512 | edc08be542234c3ed6a94c46c610eb5398782c580859eda11f35df6112b3dfee10cf4be068c7a87f39a339f10a9176350cae9f657857375d641a35d5d151ced8 |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\start_unicode.ini
| MD5 | 0b8115fe3dd07cc17ee81936af806223 |
| SHA1 | f6a2c779ad42985abe5acbec980c84ea55b1845e |
| SHA256 | 3aff09587d5207c4c3d63b63accee78d5debe47e5ba9c71810508d6c38910b88 |
| SHA512 | 02a74e8c3520fc77be407585aa900e10f7a9e00b53b9b700dc6916e1c12791e4fa15cb9c1eb88e48de2f742b9f00c106c3418aaac911ba25223487909ffc5427 |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\InstallOptions.dll
| MD5 | 89351a0a6a89519c86c5531e20dab9ea |
| SHA1 | 9e801aaaae9e70d8f7fc52f6f12cedc55e4c8a00 |
| SHA256 | f530069ef87a1c163c4fd63a3d5b053420ce3d7a98739c70211b4a99f90d6277 |
| SHA512 | 13168fa828b581383e5f64d3b54be357e98d2eb9362b45685e7426ffc2f0696ab432cc8a3f374ce8abd03c096f1662d954877afa886fc4aa74709e6044b75c08 |
C:\Users\Admin\AppData\Local\Temp\nss3376.tmp\linker.dll
| MD5 | 4ac3f0ab2e423515ed9c575333342054 |
| SHA1 | a3e4f2b2135157f964d471564044b023a64f2532 |
| SHA256 | f223d6c72f86544b358a6301daf60ccdd86198f32e3447a1860acf3f59f2dae9 |
| SHA512 | 8fbd5b4989be51c27fa15af155d2921bea9aa5d0557a22d4224256e678dfe7dcaa5f80917a748c31dc9c9a91573e4618e2497ccfd47eefd7a0fa08c12366a1e5 |
memory/2352-372-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2352-373-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2352-375-0x0000000000400000-0x000000000041B000-memory.dmp