Analysis Overview
SHA256
1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe
Threat Level: Known bad
The file 1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe was found to be: Known bad.
Malicious Activity Summary
Neshta
Detect Neshta payload
Modifies system executable filetype association
Reads user/profile data of web browsers
Checks computer location settings
Suspicious use of SetThreadContext
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-01 01:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 01:06
Reported
2024-06-01 01:08
Platform
win7-20240221-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
Network
Files
memory/2272-0-0x000000007420E000-0x000000007420F000-memory.dmp
memory/2272-1-0x00000000003E0000-0x000000000049C000-memory.dmp
memory/2272-2-0x0000000074200000-0x00000000748EE000-memory.dmp
memory/2272-3-0x00000000006B0000-0x00000000006C8000-memory.dmp
memory/2272-4-0x0000000000310000-0x0000000000320000-memory.dmp
memory/2272-5-0x0000000005CE0000-0x0000000005D6C000-memory.dmp
memory/2272-6-0x0000000074200000-0x00000000748EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 01:06
Reported
2024-06-01 01:08
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
152s
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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.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\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4644 set thread context of 2012 | N/A | C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe | C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.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\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.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\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
"C:\Users\Admin\AppData\Local\Temp\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/4644-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/4644-1-0x0000000000DA0000-0x0000000000E5C000-memory.dmp
memory/4644-2-0x0000000005DF0000-0x0000000006394000-memory.dmp
memory/4644-3-0x00000000056F0000-0x0000000005782000-memory.dmp
memory/4644-4-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/4644-5-0x00000000057A0000-0x00000000057AA000-memory.dmp
memory/4644-6-0x0000000005D70000-0x0000000005D88000-memory.dmp
memory/4644-7-0x0000000005D90000-0x0000000005DA0000-memory.dmp
memory/4644-8-0x0000000006C80000-0x0000000006D0C000-memory.dmp
memory/4644-9-0x000000000A960000-0x000000000A9FC000-memory.dmp
memory/2012-11-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2012-12-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2012-10-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2012-15-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4644-16-0x0000000074920000-0x00000000750D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\3582-490\1dbfb91bb378374fbc436b301cc481f6b32c53cfcb5dd3c3ab1eee2460e4bafe.exe
| MD5 | d10cbd7afb799e8e1716303bea865af3 |
| SHA1 | c9d92404450d19683bd5e7d5f2f67aeceba16c0b |
| SHA256 | b20f930f58a354fc114ee117ed338f14c044591d8cb272a97e5d41ca6a43ec89 |
| SHA512 | 35ef78bb4920ef65da0d0b72c0574cd5f91c1384794901ebc94e4559bc0f059579b0e4fbe80e81aaa4d73b6f0f1f3fe98ea89c04ba2c4eae462f05927fa7e7ed |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 8962876caa9c11483b2c4f8fc6d19275 |
| SHA1 | 90811e5684922a170c369b0b0250da6d6869d3d2 |
| SHA256 | 39e71f2f841505610b0e0304c75ac95a80a0437060db928cdba8122f76f95cbe |
| SHA512 | 17495a46497c4c621a21794c962bbf6fb7bd550611b18b931681b8c456288d6b849e33b95289a87e0f9ec043316ad70da23656d7002fc11750bf6bce818ed348 |
memory/2012-114-0x0000000000400000-0x000000000041B000-memory.dmp