Analysis Overview
SHA256
32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1
Threat Level: Likely malicious
The file 32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1 was found to be: Likely malicious.
Malicious Activity Summary
Sets file to hidden
Executes dropped EXE
Deletes itself
Checks computer location settings
Indicator Removal: File Deletion
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 21:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 21:00
Reported
2024-11-13 21:03
Platform
win7-20240903-en
Max time kernel
141s
Max time network
129s
Command Line
Signatures
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
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\iuyhost.exe | N/A |
Indicator Removal: File Deletion
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Debug\iuyhost.exe | C:\Windows\SysWOW64\attrib.exe | N/A |
| File created | C:\Windows\Debug\iuyhost.exe | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
| File opened for modification | C:\Windows\Debug\iuyhost.exe | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.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\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Debug\iuyhost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\iuyhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\iuyhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe
"C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\32CE59~1.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 | 2MuIomt0M.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | c3bU5ke0Da.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | CjIfri8cxI.nnnn.eu.org | udp |
Files
C:\Windows\debug\iuyhost.exe
| MD5 | 455a55e03d173f9413dfb400de032b8c |
| SHA1 | dd9244035b2b6569605deee4dd504317f905a4ab |
| SHA256 | 20f6b9d99d6ee1501e81cdd9342bbf80b3cdd15299bb1ebd84bfa72bbad47aa4 |
| SHA512 | 51063cebbb80ac289b1758d79699bf077707c1a98a6d45a45f01e44e7e809f4a76b159f69cf4178e0dd5890ba3391528679b7370e831c9a8742933f5a3a934f2 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 21:00
Reported
2024-11-13 21:03
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
136s
Command Line
Signatures
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\tuehost.exe | N/A |
Indicator Removal: File Deletion
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\tuehost.exe | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
| File opened for modification | C:\Windows\Debug\tuehost.exe | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
| File opened for modification | C:\Windows\Debug\tuehost.exe | C:\Windows\SysWOW64\attrib.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\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Debug\tuehost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.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\tuehost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\tuehost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe
"C:\Users\Admin\AppData\Local\Temp\32ce590bd0795f67d076efcb3b43b1fed109f8af7229469d331ddb778358deb1.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\tuehost.exe
C:\Windows\Debug\tuehost.exe
C:\Windows\Debug\tuehost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\32CE59~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.46.96:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.46.235.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | vab7mJtg.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | VqrlM5FR6O.nnnn.eu.org | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5WYwdZj3qc.nnnn.eu.org | udp |
Files
C:\Windows\debug\tuehost.exe
| MD5 | c64959b65afbaae56c9d3e77b5bd344e |
| SHA1 | 9521e31fc293c08f10d23966590f901732733683 |
| SHA256 | be60aa1dcf85ecedc36deb4286cdc7b4138760ddc9d34e2d656b4dfb15ff3798 |
| SHA512 | e886e6acdae673faf578b61d96f47e93a53aeb139a491b456ee591e92fd024c67f69a8e092b1b634c25b54ca847e4414bbd671ced5abd5e0b0de8e3dbaa12849 |