Analysis Overview
SHA256
27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8
Threat Level: Known bad
The file 27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8 was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta
Neshta family
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies system executable filetype association
Checks computer location settings
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-28 19:41
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-28 19:41
Reported
2024-05-28 19:44
Platform
win7-20240215-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Detect Neshta payload
| 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 |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.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\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.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\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.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\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe
"C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe
| MD5 | 1bcc5af30240bbba300a966b4c93e4ad |
| SHA1 | 4258916f7c7cb6cee0261c6b49217703118317fe |
| SHA256 | d422b33dd219142fd387aafe7549873065bfe7665000520ed286d79777d50e9d |
| SHA512 | 1e78ee88c71937ac0832701affc0d4e098e7d897c22484f1b016c2324c94789a746caaccf77315ee5703866863696c2e36d99b82931e937c2e63bb207b5a5c3b |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/1288-84-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1288-86-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-28 19:41
Reported
2024-05-28 19:44
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detect Neshta payload
| 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 |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.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\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.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\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.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\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe
"C:\Users\Admin\AppData\Local\Temp\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\27768eb49f41ef7a9c66263324048030a5a75057f98340a5d3b7956c589a5be8.exe
| MD5 | 1bcc5af30240bbba300a966b4c93e4ad |
| SHA1 | 4258916f7c7cb6cee0261c6b49217703118317fe |
| SHA256 | d422b33dd219142fd387aafe7549873065bfe7665000520ed286d79777d50e9d |
| SHA512 | 1e78ee88c71937ac0832701affc0d4e098e7d897c22484f1b016c2324c94789a746caaccf77315ee5703866863696c2e36d99b82931e937c2e63bb207b5a5c3b |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/1200-99-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1200-100-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1200-102-0x0000000000400000-0x000000000041B000-memory.dmp