Analysis Overview
SHA256
d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f
Threat Level: Known bad
The file d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta family
Neshta
Loads dropped DLL
Checks computer location settings
Modifies system executable filetype association
Executes dropped EXE
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 04:06
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
2024-06-20 04:06
Reported
2024-06-20 04:09
Platform
win7-20240508-en
Max time kernel
120s
Max time network
120s
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 |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.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\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.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\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.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\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
"C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
| MD5 | ed614bbc300294b9c6280d314c3e4bc0 |
| SHA1 | 9f0d0cdb4601f6a5b8ec5e511c91b03c9237a253 |
| SHA256 | b1bc355456133ffdafaf14f0d55e122b858ccdce5827dc669d83d763259b82db |
| SHA512 | 9ab28289b782604b1f43aae73b4cb50cd036eb9908e8e36e8bfd97f27750bb2aa041d9dea4796445d58a3c41ff4a35bb67d851b66f811d46ed465d4bbb4c6ac4 |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
memory/1756-11-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp
memory/1756-12-0x0000000000C30000-0x0000000000D56000-memory.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/1756-36-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp
memory/1756-86-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp
memory/2992-87-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2992-89-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 04:06
Reported
2024-06-20 04:09
Platform
win10v2004-20240611-en
Max time kernel
149s
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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.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\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.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\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.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\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5020 wrote to memory of 2032 | N/A | C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe |
| PID 5020 wrote to memory of 2032 | N/A | C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
"C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 213.80.50.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
| MD5 | ed614bbc300294b9c6280d314c3e4bc0 |
| SHA1 | 9f0d0cdb4601f6a5b8ec5e511c91b03c9237a253 |
| SHA256 | b1bc355456133ffdafaf14f0d55e122b858ccdce5827dc669d83d763259b82db |
| SHA512 | 9ab28289b782604b1f43aae73b4cb50cd036eb9908e8e36e8bfd97f27750bb2aa041d9dea4796445d58a3c41ff4a35bb67d851b66f811d46ed465d4bbb4c6ac4 |
memory/2032-12-0x00007FF8FAAA3000-0x00007FF8FAAA5000-memory.dmp
memory/2032-13-0x0000022B4E570000-0x0000022B4E696000-memory.dmp
memory/2032-14-0x00007FF8FAAA0000-0x00007FF8FB561000-memory.dmp
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/2032-103-0x00007FF8FAAA0000-0x00007FF8FB561000-memory.dmp
memory/5020-104-0x0000000000400000-0x000000000041B000-memory.dmp
memory/5020-105-0x0000000000400000-0x000000000041B000-memory.dmp
memory/5020-107-0x0000000000400000-0x000000000041B000-memory.dmp