Analysis Overview
SHA256
1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00
Threat Level: Known bad
The file 1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-24 13:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-24 13:18
Reported
2024-05-24 13:20
Platform
win7-20240221-en
Max time kernel
117s
Max time network
150s
Command Line
Signatures
NanoCore
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2168 set thread context of 2548 | N/A | C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\NAS Host\nashost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| File opened for modification | C:\Program Files (x86)\NAS Host\nashost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe
"C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dgKDUvhlvCiVpa.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dgKDUvhlvCiVpa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp588C.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | newsddawork.3utilities.com | udp |
| US | 104.243.242.165:1620 | newsddawork.3utilities.com | tcp |
Files
memory/2168-0-0x00000000743EE000-0x00000000743EF000-memory.dmp
memory/2168-1-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/2168-2-0x00000000743E0000-0x0000000074ACE000-memory.dmp
memory/2168-3-0x0000000000430000-0x000000000044A000-memory.dmp
memory/2168-4-0x0000000000250000-0x0000000000260000-memory.dmp
memory/2168-5-0x0000000005440000-0x00000000054BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp588C.tmp
| MD5 | 2244bb406a3b9801a42c925894edfba7 |
| SHA1 | 2d85db0176cedc9c4cb89509d4938a8f4ed9aa29 |
| SHA256 | 2658001e6bf82a58188a2024bb09496c7c0ce66d11717d26bdec5fb02ee8c643 |
| SHA512 | c5c75db8ffd1a61a3a87c7f3a67bef1431ce846c9d96c3d511dd18405b8c4fac254fcd3f6a056ded7bd097711834fb1dd03dc70f0aeeb78d0048e7f4fa66dcde |
memory/2548-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2548-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2548-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2168-23-0x00000000743E0000-0x0000000074ACE000-memory.dmp
memory/2548-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2548-19-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2548-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2548-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2548-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2548-28-0x00000000004A0000-0x00000000004AA000-memory.dmp
memory/2548-29-0x00000000004F0000-0x000000000050E000-memory.dmp
memory/2548-30-0x0000000000510000-0x000000000051A000-memory.dmp
memory/2548-33-0x00000000009B0000-0x00000000009C2000-memory.dmp
memory/2548-34-0x00000000009C0000-0x00000000009DA000-memory.dmp
memory/2548-35-0x0000000000A30000-0x0000000000A3E000-memory.dmp
memory/2548-36-0x0000000000B70000-0x0000000000B82000-memory.dmp
memory/2548-37-0x0000000000BC0000-0x0000000000BCC000-memory.dmp
memory/2548-38-0x0000000000BD0000-0x0000000000BDE000-memory.dmp
memory/2548-39-0x0000000000BE0000-0x0000000000BF4000-memory.dmp
memory/2548-40-0x0000000000CA0000-0x0000000000CB0000-memory.dmp
memory/2548-41-0x0000000000CB0000-0x0000000000CC4000-memory.dmp
memory/2548-42-0x0000000000CC0000-0x0000000000CCE000-memory.dmp
memory/2548-43-0x0000000002210000-0x000000000223E000-memory.dmp
memory/2548-44-0x0000000000CE0000-0x0000000000CF4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-24 13:18
Reported
2024-05-24 13:20
Platform
win10v2004-20240426-en
Max time kernel
134s
Max time network
150s
Command Line
Signatures
NanoCore
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
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\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2680 set thread context of 5056 | N/A | C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\UDP Subsystem\udpss.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| File opened for modification | C:\Program Files (x86)\UDP Subsystem\udpss.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe
"C:\Users\Admin\AppData\Local\Temp\1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dgKDUvhlvCiVpa.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dgKDUvhlvCiVpa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp69B6.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| BE | 2.17.196.176:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.196.17.2.in-addr.arpa | udp |
| BE | 2.17.196.176:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | newsddawork.3utilities.com | udp |
| US | 104.243.242.165:1620 | newsddawork.3utilities.com | tcp |
| US | 8.8.8.8:53 | 165.242.243.104.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 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2680-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp
memory/2680-1-0x0000000000850000-0x00000000008F2000-memory.dmp
memory/2680-2-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/2680-3-0x0000000005210000-0x00000000052A2000-memory.dmp
memory/2680-4-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/2680-6-0x00000000054B0000-0x000000000554C000-memory.dmp
memory/2680-5-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/2680-7-0x0000000005450000-0x000000000546A000-memory.dmp
memory/2680-8-0x0000000005480000-0x0000000005490000-memory.dmp
memory/2680-9-0x0000000006760000-0x00000000067DA000-memory.dmp
memory/1332-14-0x0000000002C10000-0x0000000002C46000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp69B6.tmp
| MD5 | 4613c4e9e4532272109da0106eb37a8b |
| SHA1 | e522b0ed87b8c9e4a05a2f295e360fa168a543e0 |
| SHA256 | 7f5de414fdf8741331c6af526d354013e19f9e76d074dce698199fe17dcaa559 |
| SHA512 | 1b6c0c2b1184d0cb4284da2d0c48ddd85ed2ab2295567713b3d10e6d63be7b1d6d0d7f64224301eae3131612a4182e1ac21144796004d5a231b10cb3fb977dfa |
memory/1332-16-0x00000000055E0000-0x0000000005C08000-memory.dmp
memory/1332-17-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1332-18-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1332-19-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1332-21-0x0000000005480000-0x00000000054A2000-memory.dmp
memory/1332-23-0x0000000005EE0000-0x0000000005F46000-memory.dmp
memory/5056-25-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/2680-26-0x0000000074F70000-0x0000000075720000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t1j3ut0f.d23.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1332-22-0x0000000005CC0000-0x0000000005D26000-memory.dmp
memory/5056-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1332-36-0x0000000005F50000-0x00000000062A4000-memory.dmp
memory/1332-37-0x0000000006530000-0x000000000654E000-memory.dmp
memory/1332-38-0x00000000065D0000-0x000000000661C000-memory.dmp
memory/5056-41-0x0000000005990000-0x000000000599A000-memory.dmp
memory/5056-42-0x0000000005A70000-0x0000000005A8E000-memory.dmp
memory/5056-43-0x00000000065D0000-0x00000000065DA000-memory.dmp
memory/1332-45-0x0000000006AF0000-0x0000000006B22000-memory.dmp
memory/1332-46-0x0000000075800000-0x000000007584C000-memory.dmp
memory/1332-56-0x0000000006B30000-0x0000000006B4E000-memory.dmp
memory/1332-57-0x0000000007730000-0x00000000077D3000-memory.dmp
memory/1332-58-0x0000000007EA0000-0x000000000851A000-memory.dmp
memory/1332-59-0x0000000007850000-0x000000000786A000-memory.dmp
memory/1332-60-0x00000000078C0000-0x00000000078CA000-memory.dmp
memory/1332-61-0x0000000007AD0000-0x0000000007B66000-memory.dmp
memory/1332-62-0x0000000007A50000-0x0000000007A61000-memory.dmp
memory/1332-63-0x0000000007A80000-0x0000000007A8E000-memory.dmp
memory/1332-64-0x0000000007A90000-0x0000000007AA4000-memory.dmp
memory/1332-65-0x0000000007B90000-0x0000000007BAA000-memory.dmp
memory/1332-66-0x0000000007B70000-0x0000000007B78000-memory.dmp
memory/5056-69-0x0000000006D40000-0x0000000006D5A000-memory.dmp
memory/5056-68-0x0000000006D30000-0x0000000006D42000-memory.dmp
memory/5056-81-0x0000000006E50000-0x0000000006E64000-memory.dmp
memory/5056-80-0x0000000006E10000-0x0000000006E3E000-memory.dmp
memory/5056-79-0x0000000006E00000-0x0000000006E0E000-memory.dmp
memory/5056-78-0x0000000006DE0000-0x0000000006DF4000-memory.dmp
memory/5056-77-0x0000000006DC0000-0x0000000006DD0000-memory.dmp
memory/5056-76-0x0000000006DB0000-0x0000000006DC4000-memory.dmp
memory/5056-75-0x0000000006DA0000-0x0000000006DAE000-memory.dmp
memory/5056-74-0x0000000006D90000-0x0000000006D9C000-memory.dmp
memory/5056-73-0x0000000006D80000-0x0000000006D92000-memory.dmp
memory/5056-72-0x0000000006D70000-0x0000000006D7E000-memory.dmp
memory/1332-82-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/5056-89-0x0000000074F70000-0x0000000075720000-memory.dmp