Analysis Overview
SHA256
13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f
Threat Level: Known bad
The file 13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f was found to be: Known bad.
Malicious Activity Summary
Neshta family
Neshta
Detect Neshta payload
Loads dropped DLL
Executes dropped EXE
Reads user/profile data of web browsers
Modifies system executable filetype association
Checks computer location settings
Drops file in Windows directory
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-29 18:58
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
2024-05-29 18:58
Reported
2024-05-29 19:00
Platform
win7-20240215-en
Max time kernel
118s
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 |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.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\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.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\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.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\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe
"C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe
| MD5 | e95294199b6380a95aa5e5b9039c3c82 |
| SHA1 | 80a9945515068f00b4d2a6b178adbb28a3ee5905 |
| SHA256 | 7fc548cd4662b19abd4f0be08889749f631febdc2c8e5a0616cf32abb81c894d |
| SHA512 | e0ed28f5aaf1ed129f82cb3351374b9ba2158cd97d31d2070b6de6694a03612b0446871be2cab848e254ed72fae981c8692c8333c5e6f020a8863f977a171087 |
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/2836-86-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-29 18:58
Reported
2024-05-29 19:00
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
156s
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.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\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.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\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.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\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3520 wrote to memory of 804 | N/A | C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe |
| PID 3520 wrote to memory of 804 | N/A | C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe
"C:\Users\Admin\AppData\Local\Temp\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| BE | 88.221.83.209:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 209.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\13c93a7a42e3bd822f4a50ff400e2b637787aff6b6d20760b513718b5fa8a39f.exe
| MD5 | e95294199b6380a95aa5e5b9039c3c82 |
| SHA1 | 80a9945515068f00b4d2a6b178adbb28a3ee5905 |
| SHA256 | 7fc548cd4662b19abd4f0be08889749f631febdc2c8e5a0616cf32abb81c894d |
| SHA512 | e0ed28f5aaf1ed129f82cb3351374b9ba2158cd97d31d2070b6de6694a03612b0446871be2cab848e254ed72fae981c8692c8333c5e6f020a8863f977a171087 |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/3520-98-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3520-99-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3520-101-0x0000000000400000-0x000000000041B000-memory.dmp