Analysis Overview
SHA256
5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f
Threat Level: Known bad
The file 5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f was found to be: Known bad.
Malicious Activity Summary
Neshta
Modifies system executable filetype association
Neshta family
Detect Neshta payload
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Checks computer location settings
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
NSIS installer
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-13 21:17
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-13 21:17
Reported
2022-10-14 02:24
Platform
win7-20220812-en
Max time kernel
153s
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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Enumerates physical storage devices
NSIS installer
| 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 |
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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
"C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | track.mypcbackup.com | udp |
| US | 35.227.204.37:80 | track.mypcbackup.com | tcp |
| US | 8.8.8.8:53 | link.mypcbackup.com | udp |
| US | 35.224.74.90:80 | link.mypcbackup.com | tcp |
Files
memory/1880-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp
\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
| MD5 | 3d12c342140706d5671853d3f6b2794b |
| SHA1 | 14c7e119c879e1e608ae73a7c345c7b863b8f3e9 |
| SHA256 | 7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8 |
| SHA512 | 813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773 |
C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
| MD5 | 3d12c342140706d5671853d3f6b2794b |
| SHA1 | 14c7e119c879e1e608ae73a7c345c7b863b8f3e9 |
| SHA256 | 7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8 |
| SHA512 | 813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773 |
memory/1144-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
| MD5 | 3d12c342140706d5671853d3f6b2794b |
| SHA1 | 14c7e119c879e1e608ae73a7c345c7b863b8f3e9 |
| SHA256 | 7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8 |
| SHA512 | 813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773 |
\Users\Admin\AppData\Local\Temp\nsy49FD.tmp\NSISdl.dll
| MD5 | a5f8399a743ab7f9c88c645c35b1ebb5 |
| SHA1 | 168f3c158913b0367bf79fa413357fbe97018191 |
| SHA256 | dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9 |
| SHA512 | 824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977 |
\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 21:17
Reported
2022-10-14 02:26
Platform
win10v2004-20220812-en
Max time kernel
146s
Max time network
153s
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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Enumerates physical storage devices
NSIS installer
| 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 |
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\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
"C:\Users\Admin\AppData\Local\Temp\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | track.mypcbackup.com | udp |
| US | 35.227.204.37:80 | track.mypcbackup.com | tcp |
| US | 8.8.8.8:53 | link.mypcbackup.com | udp |
| US | 35.224.74.90:80 | link.mypcbackup.com | tcp |
| US | 93.184.221.240:80 | tcp | |
| DE | 20.52.64.200:443 | tcp | |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.3.0.4.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/5032-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
| MD5 | 3d12c342140706d5671853d3f6b2794b |
| SHA1 | 14c7e119c879e1e608ae73a7c345c7b863b8f3e9 |
| SHA256 | 7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8 |
| SHA512 | 813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773 |
C:\Users\Admin\AppData\Local\Temp\3582-490\5571addb5f6e45c675dccb3e1a7ef9d2087c0d7662475560d07990164f9e8e9f.exe
| MD5 | 3d12c342140706d5671853d3f6b2794b |
| SHA1 | 14c7e119c879e1e608ae73a7c345c7b863b8f3e9 |
| SHA256 | 7c87596f31f7481f330dbf042d4655af9eb4c9a381a1fb2cd9df02eef6798eb8 |
| SHA512 | 813d72805ad7561539048a779e86d05a8f96dfedbc2d7903e758affff1e15a25db73e2dc3069ac80413d63423b54d60d24fe891b4707e91c544897ad2d3a7773 |
C:\Users\Admin\AppData\Local\Temp\nsl966A.tmp\NSISdl.dll
| MD5 | a5f8399a743ab7f9c88c645c35b1ebb5 |
| SHA1 | 168f3c158913b0367bf79fa413357fbe97018191 |
| SHA256 | dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9 |
| SHA512 | 824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977 |