Analysis Overview
SHA256
4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e
Threat Level: Known bad
The file 4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e was found to be: Known bad.
Malicious Activity Summary
Neshta family
Detect Neshta payload
Modifies system executable filetype association
Neshta
Executes dropped EXE
Reads user/profile data of web browsers
Checks computer location settings
Loads dropped DLL
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-13 21:17
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-13 21:17
Reported
2022-10-14 01:24
Platform
win7-20220901-en
Max time kernel
63s
Max time network
49s
Command Line
Signatures
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\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.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\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.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\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
"C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe"
Network
Files
memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
| MD5 | 1f37165418a09997a9e79a07fcf72565 |
| SHA1 | a51ded98b45fe8dc40c2c3f245ccc1e1cedd78fe |
| SHA256 | 41f1d3e7fa5fc43604bd8ffaf0350205f6c34c5a0f69253c43d115564c0a458b |
| SHA512 | c9ca4f2fbe13332fb3ece575398e7eaccb43e424ebcb4ec6c18174e7b623427bc9abaaea946f371b31d3b9193a815d8ea9ebcc73dbe9128276c03aaa10c2da60 |
C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
| MD5 | 1f37165418a09997a9e79a07fcf72565 |
| SHA1 | a51ded98b45fe8dc40c2c3f245ccc1e1cedd78fe |
| SHA256 | 41f1d3e7fa5fc43604bd8ffaf0350205f6c34c5a0f69253c43d115564c0a458b |
| SHA512 | c9ca4f2fbe13332fb3ece575398e7eaccb43e424ebcb4ec6c18174e7b623427bc9abaaea946f371b31d3b9193a815d8ea9ebcc73dbe9128276c03aaa10c2da60 |
memory/828-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
| MD5 | 1f37165418a09997a9e79a07fcf72565 |
| SHA1 | a51ded98b45fe8dc40c2c3f245ccc1e1cedd78fe |
| SHA256 | 41f1d3e7fa5fc43604bd8ffaf0350205f6c34c5a0f69253c43d115564c0a458b |
| SHA512 | c9ca4f2fbe13332fb3ece575398e7eaccb43e424ebcb4ec6c18174e7b623427bc9abaaea946f371b31d3b9193a815d8ea9ebcc73dbe9128276c03aaa10c2da60 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-13 21:17
Reported
2022-10-14 01:25
Platform
win10v2004-20220812-en
Max time kernel
189s
Max time network
196s
Command Line
Signatures
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\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.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\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.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\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
"C:\Users\Admin\AppData\Local\Temp\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 13.89.179.8:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| FR | 2.22.147.96:443 | tcp | |
| US | 8.238.20.126:80 | tcp | |
| NL | 23.51.68.110:443 | tcp | |
| US | 8.8.8.8:53 | 15.89.54.20.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/2116-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
| MD5 | 1f37165418a09997a9e79a07fcf72565 |
| SHA1 | a51ded98b45fe8dc40c2c3f245ccc1e1cedd78fe |
| SHA256 | 41f1d3e7fa5fc43604bd8ffaf0350205f6c34c5a0f69253c43d115564c0a458b |
| SHA512 | c9ca4f2fbe13332fb3ece575398e7eaccb43e424ebcb4ec6c18174e7b623427bc9abaaea946f371b31d3b9193a815d8ea9ebcc73dbe9128276c03aaa10c2da60 |
C:\Users\Admin\AppData\Local\Temp\3582-490\4017890c43b7f0ae26dc29d65f09a95195f82395538a5979bc956354ab4e378e.exe
| MD5 | 1f37165418a09997a9e79a07fcf72565 |
| SHA1 | a51ded98b45fe8dc40c2c3f245ccc1e1cedd78fe |
| SHA256 | 41f1d3e7fa5fc43604bd8ffaf0350205f6c34c5a0f69253c43d115564c0a458b |
| SHA512 | c9ca4f2fbe13332fb3ece575398e7eaccb43e424ebcb4ec6c18174e7b623427bc9abaaea946f371b31d3b9193a815d8ea9ebcc73dbe9128276c03aaa10c2da60 |