Analysis Overview
SHA256
a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d
Threat Level: Known bad
The file a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta family
Modifies system executable filetype association
Neshta
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies registry class
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: behavioral2
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:11
Platform
win10v2004-20220812-en
Max time kernel
175s
Max time network
183s
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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
"C:\Users\Admin\AppData\Local\Temp\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 20.189.173.13:443 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| US | 8.8.8.8:53 | 15.89.54.20.in-addr.arpa | udp |
Files
memory/4840-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
| MD5 | 2d4ded6a280ce782858de9cbba126fe9 |
| SHA1 | a755d6919e0ad34d5162dedf98b46918353fa8ca |
| SHA256 | ac4f84c5f8567c1455c080e615b5a07de384f9132d51674be931f2f7c9c05ba1 |
| SHA512 | 98f6ab388239956093c6494335781b5e8312844213c97f62171eef1662ae198d379b84f1ab7b95f8d2701b0c6a346b446dec6b2b7e18c6b92199f9387778326a |
C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
| MD5 | 2d4ded6a280ce782858de9cbba126fe9 |
| SHA1 | a755d6919e0ad34d5162dedf98b46918353fa8ca |
| SHA256 | ac4f84c5f8567c1455c080e615b5a07de384f9132d51674be931f2f7c9c05ba1 |
| SHA512 | 98f6ab388239956093c6494335781b5e8312844213c97f62171eef1662ae198d379b84f1ab7b95f8d2701b0c6a346b446dec6b2b7e18c6b92199f9387778326a |
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:11
Platform
win7-20220812-en
Max time kernel
154s
Max time network
46s
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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.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\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
"C:\Users\Admin\AppData\Local\Temp\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe"
Network
Files
memory/1396-54-0x0000000075141000-0x0000000075143000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
| MD5 | 2d4ded6a280ce782858de9cbba126fe9 |
| SHA1 | a755d6919e0ad34d5162dedf98b46918353fa8ca |
| SHA256 | ac4f84c5f8567c1455c080e615b5a07de384f9132d51674be931f2f7c9c05ba1 |
| SHA512 | 98f6ab388239956093c6494335781b5e8312844213c97f62171eef1662ae198d379b84f1ab7b95f8d2701b0c6a346b446dec6b2b7e18c6b92199f9387778326a |
\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
| MD5 | 2d4ded6a280ce782858de9cbba126fe9 |
| SHA1 | a755d6919e0ad34d5162dedf98b46918353fa8ca |
| SHA256 | ac4f84c5f8567c1455c080e615b5a07de384f9132d51674be931f2f7c9c05ba1 |
| SHA512 | 98f6ab388239956093c6494335781b5e8312844213c97f62171eef1662ae198d379b84f1ab7b95f8d2701b0c6a346b446dec6b2b7e18c6b92199f9387778326a |
memory/1568-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\a113f82b12e0037140225bbc21d7ef19762e5553d9a0ae1793cc1b69d109182d.exe
| MD5 | 2d4ded6a280ce782858de9cbba126fe9 |
| SHA1 | a755d6919e0ad34d5162dedf98b46918353fa8ca |
| SHA256 | ac4f84c5f8567c1455c080e615b5a07de384f9132d51674be931f2f7c9c05ba1 |
| SHA512 | 98f6ab388239956093c6494335781b5e8312844213c97f62171eef1662ae198d379b84f1ab7b95f8d2701b0c6a346b446dec6b2b7e18c6b92199f9387778326a |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |