Analysis Overview
SHA256
f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebf
Threat Level: Known bad
The file f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN was found to be: Known bad.
Malicious Activity Summary
Neshta
Neshta family
Checks computer location settings
Loads dropped DLL
Modifies system executable filetype association
Executes dropped EXE
Reads user/profile data of web browsers
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-27 21:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-27 21:05
Reported
2024-10-27 21:32
Platform
win10v2004-20241007-en
Max time kernel
104s
Max time network
108s
Command Line
Signatures
Neshta
Neshta family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.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 | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
| MD5 | 8e0b7433169f866b7526fc7667bc40fe |
| SHA1 | 237b1a2c96ed0ea904e4c1db80d41cea3163b8f3 |
| SHA256 | 0ea3275e0b4846163d77d0a56a2ee6ffcebd2e453eab4606cce2c02b2ed67abf |
| SHA512 | 2b3cc9312718d1309cbd7056b243ac68f9240a306667ff631366a53f352efe13db3f29e22b4229b5ce2c20191d816cdbea18c73b51bb3e1f2e735dd81cc95a29 |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
| MD5 | 644fd42f8199d1e407d58785a9c8c7d1 |
| SHA1 | e9302e4de73124554a63e96b1bc078819fd5c7e5 |
| SHA256 | 859dd22745d751ba2e9a199e538c7e868b93374a63544e2feab24fb07607607e |
| SHA512 | b49b2aec01371be504dd8eb7fcb1cbd31ce52cce7a8d5923ed2c48c89530d83dde65c96a54ab40be5f017f6a7b1ce051bbb2940978d8073a34b9ccaaaadb0bb2 |
memory/1548-98-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1548-99-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1548-100-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1548-102-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-27 21:05
Reported
2024-10-27 21:33
Platform
win7-20240903-en
Max time kernel
76s
Max time network
18s
Command Line
Signatures
Neshta
Neshta family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
| MD5 | 8e0b7433169f866b7526fc7667bc40fe |
| SHA1 | 237b1a2c96ed0ea904e4c1db80d41cea3163b8f3 |
| SHA256 | 0ea3275e0b4846163d77d0a56a2ee6ffcebd2e453eab4606cce2c02b2ed67abf |
| SHA512 | 2b3cc9312718d1309cbd7056b243ac68f9240a306667ff631366a53f352efe13db3f29e22b4229b5ce2c20191d816cdbea18c73b51bb3e1f2e735dd81cc95a29 |
C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE
| MD5 | beb6dae71186da2adfa2e5671bcfd154 |
| SHA1 | 2c520dfe3490772dfc6bbc2783c5114ca303d39d |
| SHA256 | 832b42331ca55ce423a4556827cfacdca82c6dbef771619a28b965ef5c62b815 |
| SHA512 | 002423a98f74c7f1244fa9caa06e82cecec67d6bf2c721c7cfb7deaf5995e5ba89ff0ce19c9f5294f0fea608753afdac0c324f194e76c0cac4b835de38fcd09e |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2688-88-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2688-90-0x0000000000400000-0x000000000041B000-memory.dmp