Analysis Overview
SHA256
b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a
Threat Level: Known bad
The file b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-25 01:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-25 01:44
Reported
2024-06-25 01:46
Platform
win7-20240221-en
Max time kernel
122s
Max time network
151s
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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2440 set thread context of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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)\DHCP Host\dhcphost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DHCP Host\dhcphost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| 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\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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 |
| 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\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\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
"C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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\zzTmYAoKh.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzTmYAoKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3EE4.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 | 104.243.242.163:1620 | newsddawork.3utilities.com | tcp |
Files
memory/2440-0-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/2440-1-0x0000000001280000-0x000000000131C000-memory.dmp
memory/2440-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/2440-3-0x00000000010C0000-0x0000000001152000-memory.dmp
memory/2440-4-0x00000000003E0000-0x00000000003F2000-memory.dmp
memory/2440-5-0x0000000000440000-0x0000000000448000-memory.dmp
memory/2440-6-0x0000000000450000-0x000000000045C000-memory.dmp
memory/2440-7-0x0000000005530000-0x00000000055AA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3EE4.tmp
| MD5 | 1a537d600fb442a3bf6bc26ea5893c0a |
| SHA1 | d571ce26a2c0f4f391e0eb46e571c6b337d69936 |
| SHA256 | 9a68c0b3258c353d31181abd7c1c0b489ea6609e117e90719526cd7018703e4e |
| SHA512 | 9987dec05f0936251589efdc456f2a3bf6dca8d6b2a907243c1b165238f04e929a55471e9ed014510d129dcd22b52ef1072100c31ffe0a147c873232d5fa5783 |
memory/2380-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2380-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2380-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2380-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2380-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2380-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2380-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2380-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2440-27-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/2380-30-0x00000000003A0000-0x00000000003AA000-memory.dmp
memory/2380-31-0x00000000004E0000-0x00000000004FE000-memory.dmp
memory/2380-32-0x00000000003F0000-0x00000000003FA000-memory.dmp
memory/2380-35-0x00000000005E0000-0x00000000005F2000-memory.dmp
memory/2380-36-0x0000000000640000-0x000000000065A000-memory.dmp
memory/2380-37-0x0000000000760000-0x000000000076E000-memory.dmp
memory/2380-40-0x00000000007A0000-0x00000000007AE000-memory.dmp
memory/2380-39-0x0000000000790000-0x000000000079C000-memory.dmp
memory/2380-38-0x0000000000780000-0x0000000000792000-memory.dmp
memory/2380-42-0x0000000000800000-0x0000000000810000-memory.dmp
memory/2380-41-0x00000000007F0000-0x0000000000804000-memory.dmp
memory/2380-43-0x0000000000970000-0x0000000000984000-memory.dmp
memory/2380-44-0x0000000000980000-0x000000000098E000-memory.dmp
memory/2380-45-0x00000000046F0000-0x000000000471E000-memory.dmp
memory/2380-46-0x0000000000CD0000-0x0000000000CE4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-25 01:44
Reported
2024-06-25 01:46
Platform
win10v2004-20240508-en
Max time kernel
93s
Max time network
151s
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3996 set thread context of 3864 | N/A | C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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)\DDP Host\ddphost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DDP Host\ddphost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| 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\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
"C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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\zzTmYAoKh.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzTmYAoKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA047.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | newsddawork.3utilities.com | udp |
| US | 104.243.242.163:1620 | newsddawork.3utilities.com | tcp |
| US | 8.8.8.8:53 | 163.242.243.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3996-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp
memory/3996-1-0x0000000000E80000-0x0000000000F1C000-memory.dmp
memory/3996-2-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/3996-3-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/3996-4-0x0000000005930000-0x000000000593A000-memory.dmp
memory/3996-6-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/3996-5-0x0000000005C10000-0x0000000005CAC000-memory.dmp
memory/3996-7-0x0000000006960000-0x0000000006E8C000-memory.dmp
memory/3996-8-0x0000000007620000-0x00000000076B2000-memory.dmp
memory/3996-9-0x0000000006610000-0x0000000006622000-memory.dmp
memory/3996-10-0x0000000006940000-0x0000000006948000-memory.dmp
memory/3996-11-0x00000000077F0000-0x00000000077FC000-memory.dmp
memory/3996-12-0x0000000007820000-0x000000000789A000-memory.dmp
memory/1680-17-0x0000000002C90000-0x0000000002CC6000-memory.dmp
memory/1680-18-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/1680-19-0x0000000005920000-0x0000000005F48000-memory.dmp
memory/1680-20-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/1680-21-0x0000000074FE0000-0x0000000075790000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpA047.tmp
| MD5 | 2da3e5412b713fdb39d960e347e1e184 |
| SHA1 | ef4d202c08f273e7e97143c6acd4552a724307da |
| SHA256 | 798024c54e1d5aaed4c077326388444e5ae153422cffe1b6424ad7aa84386713 |
| SHA512 | 2bebb2f1d5f7ce2d3787b9faccb14bc9dc7ba4350466475a0ba09e67fa680d09f5dce29336815ee8a64fa1975d9fc3c67fdbfa120f2729d1e71fa16987f9fc84 |
memory/1680-25-0x0000000005FC0000-0x0000000006026000-memory.dmp
memory/1680-24-0x0000000005730000-0x0000000005796000-memory.dmp
memory/3864-26-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b134dmog.yic.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1680-32-0x0000000006030000-0x0000000006384000-memory.dmp
memory/3864-38-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/1680-23-0x0000000005610000-0x0000000005632000-memory.dmp
memory/3996-39-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/1680-40-0x00000000065C0000-0x00000000065DE000-memory.dmp
memory/1680-41-0x0000000006650000-0x000000000669C000-memory.dmp
memory/3864-45-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/3864-46-0x0000000005EE0000-0x0000000005EEA000-memory.dmp
memory/3864-44-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/1680-48-0x0000000006B80000-0x0000000006BB2000-memory.dmp
memory/1680-49-0x0000000075890000-0x00000000758DC000-memory.dmp
memory/1680-59-0x0000000006BC0000-0x0000000006BDE000-memory.dmp
memory/1680-60-0x00000000075C0000-0x0000000007663000-memory.dmp
memory/1680-61-0x0000000007F30000-0x00000000085AA000-memory.dmp
memory/1680-62-0x00000000078F0000-0x000000000790A000-memory.dmp
memory/1680-63-0x0000000007960000-0x000000000796A000-memory.dmp
memory/1680-64-0x0000000007B70000-0x0000000007C06000-memory.dmp
memory/1680-65-0x0000000007AF0000-0x0000000007B01000-memory.dmp
memory/1680-66-0x0000000007B20000-0x0000000007B2E000-memory.dmp
memory/1680-67-0x0000000007B30000-0x0000000007B44000-memory.dmp
memory/1680-68-0x0000000007C30000-0x0000000007C4A000-memory.dmp
memory/1680-69-0x0000000007C10000-0x0000000007C18000-memory.dmp
memory/3864-71-0x0000000005DD0000-0x0000000005DE2000-memory.dmp
memory/3864-72-0x0000000006640000-0x000000000665A000-memory.dmp
memory/3864-78-0x00000000066C0000-0x00000000066D0000-memory.dmp
memory/3864-82-0x0000000006750000-0x0000000006764000-memory.dmp
memory/3864-81-0x0000000006710000-0x000000000673E000-memory.dmp
memory/3864-80-0x0000000006700000-0x000000000670E000-memory.dmp
memory/3864-79-0x00000000066E0000-0x00000000066F4000-memory.dmp
memory/3864-77-0x00000000066B0000-0x00000000066C4000-memory.dmp
memory/3864-76-0x00000000066A0000-0x00000000066AE000-memory.dmp
memory/3864-75-0x0000000006690000-0x000000000669C000-memory.dmp
memory/3864-74-0x0000000006680000-0x0000000006692000-memory.dmp
memory/3864-73-0x0000000006670000-0x000000000667E000-memory.dmp
memory/1680-85-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/3864-87-0x0000000074FE0000-0x0000000075790000-memory.dmp