Analysis Overview
SHA256
41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e
Threat Level: Known bad
The file 41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e was found to be: Known bad.
Malicious Activity Summary
Neshta family
Neshta
Modifies system executable filetype association
Detect Neshta payload
Executes dropped EXE
Checks computer location settings
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
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-01 17:58
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:11
Platform
win7-20220901-en
Max time kernel
68s
Max time network
50s
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\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.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\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.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\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
"C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe"
Network
Files
memory/1048-54-0x0000000074B51000-0x0000000074B53000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
| MD5 | 8171da874a1f308f70538f9396701d8a |
| SHA1 | 120cfbf7c91681fbf40f4651fb6f16fe88f85da1 |
| SHA256 | 7c491a045a5d1cda0aee7490ea66d9e6af73ba9b688890241ae14371ffcc578d |
| SHA512 | fb8a663c774ff8a3bc2b6bbecee94cb48284494b355ed7e607048e9bc29565889c2fb0105058eca85eee4d87517af8d7b2230338c15d321cda087d9ab9986f01 |
memory/2040-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
| MD5 | 8171da874a1f308f70538f9396701d8a |
| SHA1 | 120cfbf7c91681fbf40f4651fb6f16fe88f85da1 |
| SHA256 | 7c491a045a5d1cda0aee7490ea66d9e6af73ba9b688890241ae14371ffcc578d |
| SHA512 | fb8a663c774ff8a3bc2b6bbecee94cb48284494b355ed7e607048e9bc29565889c2fb0105058eca85eee4d87517af8d7b2230338c15d321cda087d9ab9986f01 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:12
Platform
win10v2004-20220812-en
Max time kernel
205s
Max time network
210s
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\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.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\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.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\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4672 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe |
| PID 4672 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
"C:\Users\Admin\AppData\Local\Temp\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.133:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 20.42.65.89:443 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| GB | 8.238.5.254:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp |
Files
memory/4592-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
| MD5 | 8171da874a1f308f70538f9396701d8a |
| SHA1 | 120cfbf7c91681fbf40f4651fb6f16fe88f85da1 |
| SHA256 | 7c491a045a5d1cda0aee7490ea66d9e6af73ba9b688890241ae14371ffcc578d |
| SHA512 | fb8a663c774ff8a3bc2b6bbecee94cb48284494b355ed7e607048e9bc29565889c2fb0105058eca85eee4d87517af8d7b2230338c15d321cda087d9ab9986f01 |
C:\Users\Admin\AppData\Local\Temp\3582-490\41ee3425773490f2a882dd0ea3805bf355a4840d116c8f98fad0c63b5b61406e.exe
| MD5 | 8171da874a1f308f70538f9396701d8a |
| SHA1 | 120cfbf7c91681fbf40f4651fb6f16fe88f85da1 |
| SHA256 | 7c491a045a5d1cda0aee7490ea66d9e6af73ba9b688890241ae14371ffcc578d |
| SHA512 | fb8a663c774ff8a3bc2b6bbecee94cb48284494b355ed7e607048e9bc29565889c2fb0105058eca85eee4d87517af8d7b2230338c15d321cda087d9ab9986f01 |