Analysis Overview
SHA256
a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8
Threat Level: Known bad
The file a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8 was found to be: Known bad.
Malicious Activity Summary
Modifies system executable filetype association
Neshta
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies registry class
Modifies Internet Explorer settings
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-13 21:16
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-13 21:16
Reported
2022-10-14 02:22
Platform
win7-20220812-en
Max time kernel
46s
Max time network
45s
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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Loads dropped DLL
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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
"C:\Users\Admin\AppData\Local\Temp\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"
Network
Files
memory/1504-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
memory/1932-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-13 21:16
Reported
2022-10-14 02:24
Platform
win10v2004-20220901-en
Max time kernel
147s
Max time network
128s
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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | 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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
"C:\Users\Admin\AppData\Local\Temp\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"
Network
| Country | Destination | Domain | Proto |
| US | 52.109.13.64:443 | tcp | |
| US | 20.189.173.15:443 | tcp | |
| FR | 2.18.109.224:443 | tcp | |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
Files
memory/3932-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
| MD5 | 15ce577f46bda1dfa2c8b10a8d0a02e5 |
| SHA1 | 8fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb |
| SHA256 | 1991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855 |
| SHA512 | d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b |