Analysis Overview
SHA256
8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd
Threat Level: Known bad
The file 8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd was found to be: Known bad.
Malicious Activity Summary
Neshta
Neshta family
Modifies system executable filetype association
Detect Neshta payload
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Suspicious use of SetThreadContext
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
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: behavioral1
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:11
Platform
win7-20220812-en
Max time kernel
176s
Max time network
47s
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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Loads dropped DLL
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1680 set thread context of 1452 | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe |
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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
"C:\Users\Admin\AppData\Local\Temp\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe"
Network
Files
memory/1568-54-0x0000000076031000-0x0000000076033000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
memory/1680-57-0x0000000000000000-mapping.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/1680-61-0x0000000000270000-0x0000000000277000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
memory/1452-64-0x000000000040426A-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
memory/1452-67-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1452-68-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:10
Platform
win10v2004-20220812-en
Max time kernel
166s
Max time network
173s
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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4576 set thread context of 4588 | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe |
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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.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\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
"C:\Users\Admin\AppData\Local\Temp\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe"
Network
| Country | Destination | Domain | Proto |
| IE | 13.69.239.72:443 | tcp |
Files
memory/4576-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
memory/4576-135-0x00000000022B0000-0x00000000022B7000-memory.dmp
memory/4588-136-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\8c0511a6708655d5eb086e69e6d7817b05cfdfb774d23462b93569f9b2d1f5dd.exe
| MD5 | 38ef86317a78590fba52b9dd16b77cf5 |
| SHA1 | b51bce2752d36ceb63ea6727da241dd22284e9f6 |
| SHA256 | af5eac46ce78a8ecdfa33a79d78c6407cc0dab11e9659a9d2ba0326cab9e1b51 |
| SHA512 | d4fabcfcea074b591ad34b96982c68a5802261fb4973d0f0eee04903b622202e583efcd50bbce035bd4a4bf89931beca2e496580cc9460f86a4969b802d98374 |
memory/4588-138-0x0000000000400000-0x000000000041B000-memory.dmp