Analysis Overview
SHA256
1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501
Threat Level: Known bad
The file 1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501 was found to be: Known bad.
Malicious Activity Summary
Neshta family
Detect Neshta payload
Neshta
Checks computer location settings
Reads user/profile data of web browsers
Loads dropped DLL
Modifies system executable filetype association
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Drops file in Program Files directory
Drops file in Windows directory
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-19 19:28
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-19 19:28
Reported
2024-05-19 19:31
Platform
win7-20240508-en
Max time kernel
122s
Max time network
124s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
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\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.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\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe |
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\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe
"C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 1188
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | github.com | udp |
| GB | 20.26.156.215:443 | github.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe
| MD5 | b89051e8cf348e69c0943b540af3b99c |
| SHA1 | 50200e338cb5df75077c6144884bf0ff6bf7cc7a |
| SHA256 | 2e0a0e7e5d510f4274cd22ca2ed10f4bcca932a8cb2a756a47c13fb36a5fb58d |
| SHA512 | ab1e75c6ccf80fdd29bb35ec802032a46cf642e444ba392a2224cc025d05d78148f60bf81d4405b25301ce86b83e03d9249378864afa575fa6a61f05dea21408 |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
memory/2308-12-0x0000000073FCE000-0x0000000073FCF000-memory.dmp
memory/2308-13-0x00000000009B0000-0x00000000009F2000-memory.dmp
memory/2308-14-0x0000000073FC0000-0x00000000746AE000-memory.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2548-92-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2548-94-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2308-95-0x0000000073FCE000-0x0000000073FCF000-memory.dmp
memory/2308-96-0x0000000073FC0000-0x00000000746AE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-19 19:28
Reported
2024-05-19 19:31
Platform
win10v2004-20240426-en
Max time kernel
131s
Max time network
152s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
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\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
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\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.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\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe
"C:\Users\Admin\AppData\Local\Temp\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | github.com | udp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 8.8.8.8:53 | 73.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.108.133:443 | raw.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 133.108.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.156.26.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| BE | 2.17.107.112:443 | www.bing.com | 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 | 112.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\1fea382a93766b6fbdfc53ba398b0de60264a3b752b35bd682ffaf3db0654501.exe
| MD5 | b89051e8cf348e69c0943b540af3b99c |
| SHA1 | 50200e338cb5df75077c6144884bf0ff6bf7cc7a |
| SHA256 | 2e0a0e7e5d510f4274cd22ca2ed10f4bcca932a8cb2a756a47c13fb36a5fb58d |
| SHA512 | ab1e75c6ccf80fdd29bb35ec802032a46cf642e444ba392a2224cc025d05d78148f60bf81d4405b25301ce86b83e03d9249378864afa575fa6a61f05dea21408 |
memory/1516-12-0x0000000073BEE000-0x0000000073BEF000-memory.dmp
memory/1516-13-0x0000000000D80000-0x0000000000DC2000-memory.dmp
memory/1516-14-0x0000000073BE0000-0x0000000074390000-memory.dmp
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/3844-102-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1516-105-0x0000000006CA0000-0x0000000006CB2000-memory.dmp
memory/1516-104-0x0000000006B70000-0x0000000006B7A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Solara\SolaraBETA3.1\Monaco\fileaccess\node_modules\get-intrinsic\.nycrc
| MD5 | d0104f79f0b4f03bbcd3b287fa04cf8c |
| SHA1 | 54f9d7adf8943cb07f821435bb269eb4ba40ccc2 |
| SHA256 | 997785c50b0773e5e18bf15550fbf57823c634fefe623cd37b3c83696402ad0a |
| SHA512 | daf9b5445cfc02397f398adfa0258f2489b70699dfec6ca7e5b85afe5671fdcabe59edee332f718f5e5778feb1e301778dffe93bb28c1c0914f669659bad39c6 |
C:\Users\Admin\AppData\Local\Temp\Solara\SolaraBETA3.1\Monaco\fileaccess\node_modules\hasown\.nycrc
| MD5 | c2ab942102236f987048d0d84d73d960 |
| SHA1 | 95462172699187ac02eaec6074024b26e6d71cff |
| SHA256 | 948366fea3b423a46366326d0bb2e54b08abd1cf0b243678ba6625740c40da5a |
| SHA512 | e36b20c16ceeb090750f3865efc8d7fd983ae4e8b41c30cc3865d2fd4925bf5902627e1f1ed46c0ff2453f076ef9de34be899ef57754b29cd158440071318479 |
C:\Users\Admin\AppData\Local\Temp\Solara\SolaraBETA3.1\Monaco\fileaccess\node_modules\has-proto\.eslintrc
| MD5 | c28b0fe9be6e306cc2ad30fe00e3db10 |
| SHA1 | af79c81bd61c9a937fca18425dd84cdf8317c8b9 |
| SHA256 | 0694050195fc694c5846b0a2a66b437ac775da988f0a779c55fb892597f7f641 |
| SHA512 | e3eca17804522ffa4f41e836e76e397a310a20e8261a38115b67e8b644444153039d04198fb470f45be2997d2c7a72b15bd4771a02c741b3cbc072ea6ef432e9 |
C:\Users\Admin\AppData\Local\Temp\Solara\SolaraBETA3.1\Monaco\fileaccess\node_modules\vary\LICENSE
| MD5 | 13babc4f212ce635d68da544339c962b |
| SHA1 | 4881ad2ec8eb2470a7049421047c6d076f48f1de |
| SHA256 | bd47ce7b88c7759630d1e2b9fcfa170a0f1fde522be09e13fb1581a79d090400 |
| SHA512 | 40e30174433408e0e2ed46d24373b12def47f545d9183b7bce28d4ddd8c8bb528075c7f20e118f37661db9f1bba358999d81a14425eb3e0a4a20865dfcb53182 |
memory/3844-1918-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1516-1919-0x0000000073BEE000-0x0000000073BEF000-memory.dmp
memory/1516-1920-0x0000000073BE0000-0x0000000074390000-memory.dmp
memory/3844-1921-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3844-1923-0x0000000000400000-0x000000000041B000-memory.dmp