Analysis Overview
SHA256
2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b
Threat Level: Known bad
The file 2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b was found to be: Known bad.
Malicious Activity Summary
Neshta family
Modifies system executable filetype association
Detect Neshta payload
Neshta
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 18:12
Platform
win7-20220812-en
Max time kernel
185s
Max time network
58s
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\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Loads dropped DLL
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\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.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\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
"C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe"
Network
| Country | Destination | Domain | Proto |
| US | 204.79.197.200:443 | tcp |
Files
memory/1384-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
| MD5 | 3a417c5bb5d624d54265eeb9c638d4cb |
| SHA1 | 45c35c9456273948756fe70490e1c0cac8b75723 |
| SHA256 | 2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6 |
| SHA512 | 9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790 |
\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
| MD5 | 3a417c5bb5d624d54265eeb9c638d4cb |
| SHA1 | 45c35c9456273948756fe70490e1c0cac8b75723 |
| SHA256 | 2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6 |
| SHA512 | 9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790 |
memory/1304-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
| MD5 | 3a417c5bb5d624d54265eeb9c638d4cb |
| SHA1 | 45c35c9456273948756fe70490e1c0cac8b75723 |
| SHA256 | 2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6 |
| SHA512 | 9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790 |
\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 18:11
Platform
win10v2004-20220812-en
Max time kernel
166s
Max time network
174s
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\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.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\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1384 wrote to memory of 224 | N/A | C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe |
| PID 1384 wrote to memory of 224 | N/A | C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
"C:\Users\Admin\AppData\Local\Temp\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe"
Network
| Country | Destination | Domain | Proto |
| US | 13.89.178.27:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 8.249.91.254:80 | tcp | |
| US | 8.249.91.254:80 | tcp | |
| US | 8.249.91.254:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/224-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
| MD5 | 3a417c5bb5d624d54265eeb9c638d4cb |
| SHA1 | 45c35c9456273948756fe70490e1c0cac8b75723 |
| SHA256 | 2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6 |
| SHA512 | 9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790 |
C:\Users\Admin\AppData\Local\Temp\3582-490\2da493e755264e80ac6ba0cb79f71d75c9bdbc8adceac9b559ad077f2e241e4b.exe
| MD5 | 3a417c5bb5d624d54265eeb9c638d4cb |
| SHA1 | 45c35c9456273948756fe70490e1c0cac8b75723 |
| SHA256 | 2220b8f4d11849b1b9abd5ba634ef7afa8bcfa4d0174d636eec349c080425ab6 |
| SHA512 | 9cd476b6adea02cc101ade405c360f2bfed1f46cf03335d5be4db1c8dc5f6b4e08dd1206e874e46016b950c74e34f7a3a276973698af4e8a62d80d204b2f4790 |