Analysis Overview
SHA256
c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d
Threat Level: Known bad
The file c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d was found to be: Known bad.
Malicious Activity Summary
Modifies system executable filetype association
Neshta family
Neshta
Detect Neshta payload
UPX packed file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-01 17:57
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-01 17:57
Reported
2022-10-01 18:09
Platform
win7-20220901-en
Max time kernel
70s
Max time network
78s
Command Line
Signatures
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\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
UPX packed file
| 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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.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\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.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\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
"C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 142.250.179.142:80 | tcp |
Files
memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
| MD5 | 668255fe3a3c7e8fcfffc2088d4a602d |
| SHA1 | ce5b074b1631b282500193aa198ecf67cd5ec8be |
| SHA256 | 00ec911203580f9aaa7b7d117cf42bbda18097f545c57ce33c6c544bb82f0c8b |
| SHA512 | ea9cc3a1ab7e0ae544447aab251f4b4708aadfb777ec1e47ca263abb1d2bc857c78da2f2866035419c0566804ddce635ef98689a08a228076c4aa89e09a14dde |
memory/828-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
| MD5 | 668255fe3a3c7e8fcfffc2088d4a602d |
| SHA1 | ce5b074b1631b282500193aa198ecf67cd5ec8be |
| SHA256 | 00ec911203580f9aaa7b7d117cf42bbda18097f545c57ce33c6c544bb82f0c8b |
| SHA512 | ea9cc3a1ab7e0ae544447aab251f4b4708aadfb777ec1e47ca263abb1d2bc857c78da2f2866035419c0566804ddce635ef98689a08a228076c4aa89e09a14dde |
memory/2032-59-0x0000000002730000-0x0000000002795000-memory.dmp
memory/828-60-0x0000000000400000-0x0000000000465000-memory.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2032-62-0x0000000002730000-0x0000000002795000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-01 17:57
Reported
2022-10-01 18:09
Platform
win10v2004-20220901-en
Max time kernel
156s
Max time network
156s
Command Line
Signatures
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\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
UPX packed file
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.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\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.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\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
"C:\Users\Admin\AppData\Local\Temp\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 20.189.173.1:443 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 96.16.53.137:80 | tcp | |
| NL | 104.74.242.29:443 | tcp | |
| NL | 104.74.242.29:443 | tcp |
Files
memory/3100-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
| MD5 | 668255fe3a3c7e8fcfffc2088d4a602d |
| SHA1 | ce5b074b1631b282500193aa198ecf67cd5ec8be |
| SHA256 | 00ec911203580f9aaa7b7d117cf42bbda18097f545c57ce33c6c544bb82f0c8b |
| SHA512 | ea9cc3a1ab7e0ae544447aab251f4b4708aadfb777ec1e47ca263abb1d2bc857c78da2f2866035419c0566804ddce635ef98689a08a228076c4aa89e09a14dde |
C:\Users\Admin\AppData\Local\Temp\3582-490\c2c53aa04c98f8e12e194f82fe5e5b0f739b96e72089be43a91cd88bfa8b046d.exe
| MD5 | 668255fe3a3c7e8fcfffc2088d4a602d |
| SHA1 | ce5b074b1631b282500193aa198ecf67cd5ec8be |
| SHA256 | 00ec911203580f9aaa7b7d117cf42bbda18097f545c57ce33c6c544bb82f0c8b |
| SHA512 | ea9cc3a1ab7e0ae544447aab251f4b4708aadfb777ec1e47ca263abb1d2bc857c78da2f2866035419c0566804ddce635ef98689a08a228076c4aa89e09a14dde |
memory/3100-135-0x0000000000400000-0x0000000000465000-memory.dmp