Analysis Overview
SHA256
27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948
Threat Level: Known bad
The file 27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948 was found to be: Known bad.
Malicious Activity Summary
Neshta family
Detect Neshta payload
Neshta
Loads dropped DLL
Executes dropped EXE
Modifies system executable filetype association
Reads user/profile data of web browsers
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 19:42
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
2024-06-16 19:42
Reported
2024-06-16 19:44
Platform
win7-20240611-en
Max time kernel
122s
Max time network
126s
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 |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | 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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe
"C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe
| MD5 | e7357cf28ffac3e44ade6189a96ab039 |
| SHA1 | 5d1df0b33ad528735c2f4320dcf7278a6f1c284e |
| SHA256 | bc798b51b337a2620e881c13a3641d026931c2a4b865d8609c1495332303f32f |
| SHA512 | 15ad115a34ca1f5833568c073f31d5459ce0646ff4b7a81bfe33e002f60f475f68c4ac2d952b15880dcd2b8a45ef82f0dcb3da3d2d3f8b98b8ec862626c49ff3 |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
memory/1628-10-0x00000000003A0000-0x00000000003A1000-memory.dmp
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2340-85-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 19:42
Reported
2024-06-16 19:44
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
155s
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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.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\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2184 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe |
| PID 2184 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe
"C:\Users\Admin\AppData\Local\Temp\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4184,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\27ea42d8c52ad377e34df34aa4b74fedac2395d1f46ee5c3771988a59cb11948.exe
| MD5 | e7357cf28ffac3e44ade6189a96ab039 |
| SHA1 | 5d1df0b33ad528735c2f4320dcf7278a6f1c284e |
| SHA256 | bc798b51b337a2620e881c13a3641d026931c2a4b865d8609c1495332303f32f |
| SHA512 | 15ad115a34ca1f5833568c073f31d5459ce0646ff4b7a81bfe33e002f60f475f68c4ac2d952b15880dcd2b8a45ef82f0dcb3da3d2d3f8b98b8ec862626c49ff3 |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/2184-106-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2184-107-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2184-109-0x0000000000400000-0x000000000041B000-memory.dmp