Analysis Overview
SHA256
a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47
Threat Level: Known bad
The file a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47 was found to be: Known bad.
Malicious Activity Summary
Neshta
Detect Neshta payload
Modifies system executable filetype association
Neshta family
Executes dropped EXE
Checks computer location settings
Reads user/profile data of web browsers
Loads dropped DLL
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-01 17:58
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 17:58
Reported
2022-10-01 18:11
Platform
win7-20220812-en
Max time kernel
182s
Max time network
46s
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\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.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\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
| File opened for modification | C:\Windows\Genius.Pin | C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.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\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
"C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe"
Network
Files
memory/1488-54-0x0000000075B41000-0x0000000075B43000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
| MD5 | 713f6a152d67a1c9673ac63c9d1a4ca8 |
| SHA1 | 067ca4b86fb3daa311faee59c2e155559c73db33 |
| SHA256 | a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e |
| SHA512 | ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66 |
\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
| MD5 | 713f6a152d67a1c9673ac63c9d1a4ca8 |
| SHA1 | 067ca4b86fb3daa311faee59c2e155559c73db33 |
| SHA256 | a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e |
| SHA512 | ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66 |
C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
| MD5 | 713f6a152d67a1c9673ac63c9d1a4ca8 |
| SHA1 | 067ca4b86fb3daa311faee59c2e155559c73db33 |
| SHA256 | a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e |
| SHA512 | ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66 |
memory/1448-57-0x0000000000000000-mapping.dmp
memory/1488-59-0x0000000002230000-0x0000000002249000-memory.dmp
memory/1488-60-0x0000000002230000-0x0000000002249000-memory.dmp
memory/1448-61-0x0000000000400000-0x0000000000419000-memory.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/1488-63-0x0000000002230000-0x0000000002249000-memory.dmp
memory/1488-64-0x0000000002230000-0x0000000002249000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-01 17:58
Reported
2022-10-01 18:11
Platform
win10v2004-20220812-en
Max time kernel
191s
Max time network
197s
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\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.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\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
| File opened for modification | C:\Windows\Genius.Pin | C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.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\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
"C:\Users\Admin\AppData\Local\Temp\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| US | 8.252.51.254:80 | tcp | |
| US | 8.253.183.120:80 | tcp | |
| US | 52.242.97.97:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp |
Files
memory/864-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
| MD5 | 713f6a152d67a1c9673ac63c9d1a4ca8 |
| SHA1 | 067ca4b86fb3daa311faee59c2e155559c73db33 |
| SHA256 | a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e |
| SHA512 | ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66 |
C:\Users\Admin\AppData\Local\Temp\3582-490\a5031380b47f394f7a025bf30bccfea75b990a8b03b89ef4d7440b8fe25cab47.exe
| MD5 | 713f6a152d67a1c9673ac63c9d1a4ca8 |
| SHA1 | 067ca4b86fb3daa311faee59c2e155559c73db33 |
| SHA256 | a20ae7047a0fcfe59f07bd9b88d8590cbeaf55020a0257ab21ffa5aaae65215e |
| SHA512 | ef5ec5b357dfd82baafc5283032710dac8e46ddc6cab101017085f90cc326b0195faa58a1cc44b279f3661249a5137d88a7ee9059fe07d06b794407b5032df66 |
memory/864-135-0x0000000000400000-0x0000000000419000-memory.dmp