Analysis Overview
SHA256
723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56
Threat Level: Known bad
The file 723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56 was found to be: Known bad.
Malicious Activity Summary
Neshta
Detect Neshta payload
Neshta family
Executes dropped EXE
Reads user/profile data of web browsers
Modifies system executable filetype association
Checks computer location settings
Loads dropped DLL
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 22:43
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 22:43
Reported
2024-04-15 22:45
Platform
win7-20240220-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
Loads dropped DLL
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\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.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\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.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\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe
"C:\Users\Admin\AppData\Local\Temp\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe
| MD5 | 699e36577bccf66090ec6095ff23c000 |
| SHA1 | 05d81e32820d6618f0b77990fa376764615c5bd8 |
| SHA256 | c5a64ea7ce2bea8556fa81e0069adbba793181bfaa76f59f4f472f0a471bac98 |
| SHA512 | 1523f40a65bc18bd83405706fd8eb2d39a91cfc22bc21e81bf2eed1448b02ddd3387293f68603c14db98ebba2fdd1142f2958186f376206218b0fbd198c405ec |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2924-88-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 22:43
Reported
2024-04-15 22:45
Platform
win10v2004-20240412-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
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\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.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\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.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\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe
"C:\Users\Admin\AppData\Local\Temp\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\723bde966f52b89c6dc3348bc5d7591ead9992b183876b9afad1b3f2341d6f56.exe
| MD5 | 699e36577bccf66090ec6095ff23c000 |
| SHA1 | 05d81e32820d6618f0b77990fa376764615c5bd8 |
| SHA256 | c5a64ea7ce2bea8556fa81e0069adbba793181bfaa76f59f4f472f0a471bac98 |
| SHA512 | 1523f40a65bc18bd83405706fd8eb2d39a91cfc22bc21e81bf2eed1448b02ddd3387293f68603c14db98ebba2fdd1142f2958186f376206218b0fbd198c405ec |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/3728-100-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3728-101-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3728-103-0x0000000000400000-0x000000000041B000-memory.dmp