Analysis Overview
SHA256
7387c14522bff59beddbf0412ccbe64e9cbe4cb2a04f49eca7394651abd896d4
Threat Level: Known bad
The file 7387c14522bff59beddbf0412ccbe64e9cbe4cb2a04f49eca7394651abd896d4 was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta
Loads dropped DLL
Checks computer location settings
Modifies system executable filetype association
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-17 13:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-17 13:48
Reported
2024-04-17 13:50
Platform
win7-20240221-en
Max time kernel
117s
Max time network
119s
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 |
Neshta
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.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\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1704 set thread context of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe | C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe |
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\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.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\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe
"C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe"
C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe
"C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe"
Network
Files
memory/1704-0-0x0000000000CF0000-0x0000000000DCC000-memory.dmp
memory/1704-1-0x0000000073F50000-0x000000007463E000-memory.dmp
memory/1704-2-0x00000000008B0000-0x00000000008F0000-memory.dmp
memory/1704-3-0x0000000000250000-0x000000000026A000-memory.dmp
memory/1704-4-0x0000000000280000-0x000000000028C000-memory.dmp
memory/1704-5-0x00000000077C0000-0x000000000784C000-memory.dmp
memory/2188-6-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-8-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-10-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-13-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-15-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-17-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2188-21-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-22-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-23-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2188-25-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1704-26-0x0000000073F50000-0x000000007463E000-memory.dmp
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | 48afb716ca3a9f340ac9937c80a8206f |
| SHA1 | 918969380904ada7dd41cffb8d14ebbcd97f9108 |
| SHA256 | b9e1b60b62e2069c30246747be0b60569a01bdf279f179c9a498e552829d82a4 |
| SHA512 | b9d5744556a3afe38186ea51e1f82416148f3a3bd86fd7c4f422d542d9b7b8c09321716e8be84c7c205faa74eafd1b0d535c31da82142f9a3d722ef886ca1581 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2188-107-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-17 13:48
Reported
2024-04-17 13:51
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
153s
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 |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.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\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2276 set thread context of 3800 | N/A | C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe | C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe |
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\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.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\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe
"C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe"
C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe
"C:\Users\Admin\AppData\Local\Temp\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| NL | 23.62.61.170:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 170.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 132.250.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
Files
memory/2276-0-0x0000000000E50000-0x0000000000F2C000-memory.dmp
memory/2276-1-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/2276-2-0x0000000008150000-0x00000000086F4000-memory.dmp
memory/2276-3-0x0000000007CA0000-0x0000000007D32000-memory.dmp
memory/2276-4-0x0000000007C70000-0x0000000007C80000-memory.dmp
memory/2276-5-0x0000000007E60000-0x0000000007E6A000-memory.dmp
memory/2276-6-0x00000000030A0000-0x00000000030BA000-memory.dmp
memory/2276-7-0x00000000030C0000-0x00000000030CC000-memory.dmp
memory/2276-8-0x00000000091E0000-0x000000000926C000-memory.dmp
memory/2276-9-0x00000000069F0000-0x0000000006A8C000-memory.dmp
memory/3800-10-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3800-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3800-13-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2276-16-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/3800-15-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\0737b4a17fda7c3b5ffe49d1f33da4b1789d0f3b7c77a54113d6136f1672782a.exe
| MD5 | 3a6a80c9237abdab107742185953ffc6 |
| SHA1 | 183cedbeabda1bbc9c0505c294a8d79006932108 |
| SHA256 | 8e607e393c599f0ee76ee43bc4ff1c14eda51ad300128817637bfeab9d3d196f |
| SHA512 | 716792106eb511f153cd7085836a41195631a7c98a4a32bd2f738bad25441519b2748bef23bf4bc5a26eb587453bcd5c40138c6a1045bc593b052aa06c9ee10b |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 27cc34a2d4a97c17dcc99cdf6c1b9b20 |
| SHA1 | 5954ec0c83ba3846cc6bf40f26665d179332e8c2 |
| SHA256 | 58e653e1b0bf58beaa4dd1635d81e5cc280484a5cb5673f49e5a74520dd3b9e9 |
| SHA512 | 57834f6c4ae7d302eab7f08786b8f504f8a09e0cada5e19a14d565e8060d9aa62ba99a01bd4d60bf7374a84f2bebc2a6385c1616142e69cc98c18a8ae10f7269 |
memory/3800-114-0x0000000000400000-0x000000000041B000-memory.dmp