Analysis Overview
SHA256
a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761
Threat Level: Shows suspicious behavior
The file a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Checks computer location settings
Executes dropped EXE
Indicator Removal: File Deletion
UPX packed file
Drops file in Windows directory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 04:21
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-31 04:21
Reported
2024-10-31 04:23
Platform
win7-20241010-en
Max time kernel
112s
Max time network
100s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\kkehost.exe | N/A |
Indicator Removal: File Deletion
UPX packed file
| 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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\kkehost.exe | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
| File opened for modification | C:\Windows\Debug\kkehost.exe | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Debug\kkehost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\kkehost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\kkehost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2344 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2344 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2344 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2344 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe
"C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe"
C:\Windows\Debug\kkehost.exe
C:\Windows\Debug\kkehost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A2D97B~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.47.188:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | tFivRlgtX.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | SSP6Cj90Ol.nnnn.eu.org | udp |
Files
memory/2344-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\debug\kkehost.exe
| MD5 | 40221fae29e6eb2e38ee3e3482033369 |
| SHA1 | 80cc6c56e65d76ca6a9fd3cb80cb975ded37cd1f |
| SHA256 | cd53f562751e618494293b00ce68a2beae15131e8764fefbd8bfcc7678eaee0c |
| SHA512 | 87623926d5a3c26bd454f710669dc3c09908e7893daab7ca94badbdc4b1b98d993340a95249fb68afe3c8ba5ab6140227e57116770c3b84e8ec582e05e9b1190 |
memory/2344-5-0x0000000000400000-0x000000000040E000-memory.dmp
memory/952-6-0x0000000000400000-0x000000000040E000-memory.dmp
memory/952-12-0x0000000000400000-0x000000000040E000-memory.dmp
memory/952-15-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 04:21
Reported
2024-10-31 04:23
Platform
win10v2004-20241007-en
Max time kernel
111s
Max time network
107s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\pwshost.exe | N/A |
Indicator Removal: File Deletion
UPX packed file
| 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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\pwshost.exe | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
| File opened for modification | C:\Windows\Debug\pwshost.exe | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Debug\pwshost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\pwshost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\pwshost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3028 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3028 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3028 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe
"C:\Users\Admin\AppData\Local\Temp\a2d97b2b6adb9eddb7dd59b334e5ff9917c8de7fe5d6c9eb153a9e44e773d761N.exe"
C:\Windows\Debug\pwshost.exe
C:\Windows\Debug\pwshost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A2D97B~1.EXE > nul
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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.47.188:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 188.47.235.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pfvLtFG4hg.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | PrcWikRO.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/3028-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\debug\pwshost.exe
| MD5 | 5179511c7b6d080f6474f5c802151e24 |
| SHA1 | 0cf7ec85cc7a896468c845b92154edb08d8ff9eb |
| SHA256 | 1809414d5405ee2d24fdaa288acca74e1ce7d74298dad84fa4072d021aedc668 |
| SHA512 | 85e10dee9c355392446f981b8c8fef474f0585a8d12f5519435ef8ef7dd9a7e3b8442d01ea565b57a4318639af4b46e1aaf0686ad26a3a0ae23dee3fd42f9cc3 |
memory/3028-6-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4644-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4644-13-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4644-16-0x0000000000400000-0x000000000040E000-memory.dmp