Analysis Overview
SHA256
c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b
Threat Level: Known bad
The file c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b was found to be: Known bad.
Malicious Activity Summary
Neshta
Detect Neshta payload
Neshta family
Modifies system executable filetype association
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
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 01:08
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
2024-04-08 01:08
Reported
2024-04-08 01:11
Platform
win7-20240221-en
Max time kernel
122s
Max time network
128s
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 |
| 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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe
"C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe
| MD5 | 4ba742fa764ac193f0476f9d3cfca3b5 |
| SHA1 | 5df1988862ec474deceb615d04c36c32da27c0b9 |
| SHA256 | 475127c6187baa2b06aa6ab1c66ffb7a5d5f5e9814537e6f43a680177187ae11 |
| SHA512 | 3eaa645bee6d7b3208eb97ad4598b3f1a194898a4918722403b901f2f045194ae3d2989ad7a45604ae245e92501650a3d3f4dae0358828b65f39d6856c62f66e |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
memory/1384-11-0x00000000002D0000-0x00000000005D6000-memory.dmp
memory/1384-12-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp
memory/1384-13-0x000000001B810000-0x000000001B890000-memory.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/1384-74-0x000000001B810000-0x000000001B890000-memory.dmp
memory/2216-87-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2216-88-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1384-89-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp
memory/1384-90-0x000000001B810000-0x000000001B890000-memory.dmp
memory/1384-91-0x000000001B810000-0x000000001B890000-memory.dmp
memory/2216-92-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2216-93-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2216-95-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 01:08
Reported
2024-04-08 01:10
Platform
win10v2004-20231215-en
Max time kernel
92s
Max time network
146s
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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.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\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 956 wrote to memory of 4004 | N/A | C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe |
| PID 956 wrote to memory of 4004 | N/A | C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe
"C:\Users\Admin\AppData\Local\Temp\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.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 | 91.90.14.23.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\c7015a9952d1af05161995c376bc487eb9c61cdfb59cb9113db5148d77758f3b.exe
| MD5 | 4ba742fa764ac193f0476f9d3cfca3b5 |
| SHA1 | 5df1988862ec474deceb615d04c36c32da27c0b9 |
| SHA256 | 475127c6187baa2b06aa6ab1c66ffb7a5d5f5e9814537e6f43a680177187ae11 |
| SHA512 | 3eaa645bee6d7b3208eb97ad4598b3f1a194898a4918722403b901f2f045194ae3d2989ad7a45604ae245e92501650a3d3f4dae0358828b65f39d6856c62f66e |
memory/4004-14-0x00007FFB14240000-0x00007FFB14D01000-memory.dmp
memory/4004-13-0x000001850E8E0000-0x000001850EBE6000-memory.dmp
memory/4004-15-0x0000018510A70000-0x0000018510A80000-memory.dmp
C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
| MD5 | 8ffc3bdf4a1903d9e28b99d1643fc9c7 |
| SHA1 | 919ba8594db0ae245a8abd80f9f3698826fc6fe5 |
| SHA256 | 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6 |
| SHA512 | 0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427 |
memory/4004-30-0x0000018510A70000-0x0000018510A80000-memory.dmp
memory/4004-31-0x0000018510A70000-0x0000018510A80000-memory.dmp
memory/4004-32-0x000001852C920000-0x000001852CDEC000-memory.dmp
memory/956-104-0x0000000000400000-0x000000000041B000-memory.dmp
memory/956-105-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4004-106-0x00007FFB14240000-0x00007FFB14D01000-memory.dmp
memory/956-108-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4004-109-0x0000018510A70000-0x0000018510A80000-memory.dmp
memory/4004-110-0x0000018510A70000-0x0000018510A80000-memory.dmp
memory/4004-111-0x0000018510A70000-0x0000018510A80000-memory.dmp