Analysis Overview
SHA256
4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287
Threat Level: Known bad
The file 4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287 was found to be: Known bad.
Malicious Activity Summary
Neshta
Neshta family
Detect Neshta payload
Loads dropped DLL
Modifies system executable filetype association
Executes dropped EXE
Reads user/profile data of web browsers
Checks computer location settings
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 20:48
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 20:48
Reported
2024-06-16 20:51
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe
"C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe
| MD5 | 16c1072ab58bbcb7dd2fcd4119c28e08 |
| SHA1 | 12fe564ecd1c34f95a9ad1e85b799fcb1dfa70a9 |
| SHA256 | 706c64bc321a913f0a178648869ac21cec1e587f9ffe0946497cd7fbe37f6643 |
| SHA512 | 6098672422c5aa244ec67aefe2ea1de2062e0e41982f16f4c6f3d9928ecb47531becd7fc789091ff4bc038875c7ddfa571e63f753c61a86382515f2afc517e2a |
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/1040-83-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 20:48
Reported
2024-06-16 20:51
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
123s
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 |
| 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 |
| 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 |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3488 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe |
| PID 3488 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe | C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe
"C:\Users\Admin\AppData\Local\Temp\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.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 --mojo-platform-channel-handle=3572 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 216.58.201.106:443 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3488-1-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\4677f9d9d398ebbdd870c69fa2a46cc57002c9bdbd85a0e0ce6a3d9819dd5287.exe
| MD5 | 16c1072ab58bbcb7dd2fcd4119c28e08 |
| SHA1 | 12fe564ecd1c34f95a9ad1e85b799fcb1dfa70a9 |
| SHA256 | 706c64bc321a913f0a178648869ac21cec1e587f9ffe0946497cd7fbe37f6643 |
| SHA512 | 6098672422c5aa244ec67aefe2ea1de2062e0e41982f16f4c6f3d9928ecb47531becd7fc789091ff4bc038875c7ddfa571e63f753c61a86382515f2afc517e2a |
memory/2576-12-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-13-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-11-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-23-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-22-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-21-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-20-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-19-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-18-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/2576-17-0x0000024F4BBE0000-0x0000024F4BBE1000-memory.dmp
memory/3488-27-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-38-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-39-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-40-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-41-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-42-0x0000000000400000-0x000000000041B000-memory.dmp
C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
| MD5 | 8ffc3bdf4a1903d9e28b99d1643fc9c7 |
| SHA1 | 919ba8594db0ae245a8abd80f9f3698826fc6fe5 |
| SHA256 | 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6 |
| SHA512 | 0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427 |
memory/3488-72-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-150-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-151-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-152-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-153-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-154-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3488-155-0x0000000000400000-0x000000000041B000-memory.dmp