Analysis Overview
SHA256
838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29
Threat Level: Known bad
The file 838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29 was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta family
Modifies system executable filetype association
Neshta
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Modifies registry class
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
win7-20220812-en
Max time kernel
38s
Max time network
44s
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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe | N/A |
Neshta
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe
"C:\Users\Admin\AppData\Local\Temp\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe"
Network
Files
memory/2036-54-0x0000000076151000-0x0000000076153000-memory.dmp
\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
198s
Max time network
214s
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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe | N/A |
Neshta
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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.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\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe
"C:\Users\Admin\AppData\Local\Temp\838a75fa91378d038535b347d479761568099d783cd49c16cd95ac747767ec29.exe"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| US | 8.252.51.254:80 | tcp | |
| US | 8.253.183.120:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 209.197.3.8:80 | tcp |