Analysis Overview
SHA256
ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d
Threat Level: Known bad
The file 7bd819e07f179d3f264d22ff7f6a44d5 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Modifies Installed Components in the registry
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-28 01:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-28 01:53
Reported
2024-01-28 01:56
Platform
win7-20231215-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
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XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5}\StubPath = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5}\StubPath = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemRestore Profile = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\rHDaud Driver = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemRestore Profile = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1716 set thread context of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe | C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SystemDrivers\rHDaudDriv.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SystemDrivers\rHDaudDriv.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened for modification | C:\Windows\SystemDrivers\ | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | explosive.zapto.org | udp |
Files
memory/2156-0-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-1-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-2-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2156-5-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-8-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-7-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-9-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2872-12-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2384-15-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2384-20-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2156-16-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2384-21-0x0000000010000000-0x000000001004D000-memory.dmp
C:\Windows\SystemDrivers\rHDaudDriv.exe
| MD5 | 7bd819e07f179d3f264d22ff7f6a44d5 |
| SHA1 | 3f21e20ab76637efcfb1cd66cd24fed2b736861a |
| SHA256 | ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d |
| SHA512 | 2cff9b4d7af480ed540b40a2a48e095f03a286260d1bebbfae3df214ca2786e64dfbcf9b3199ce613aec52d6a8c99f4dceda33d9c5e3a074539d919af64e89ee |
memory/2872-23-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2384-24-0x0000000010000000-0x000000001004D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-28 01:53
Reported
2024-01-28 01:56
Platform
win10v2004-20231215-en
Max time kernel
139s
Max time network
155s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
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XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{610077HK-22RW-B1R3-YHO8-4X73A17Q3FH5}\StubPath = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemRestore Profile = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rHDaud Driver = "C:\\Windows\\SystemDrivers\\rHDaudDriv.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2760 set thread context of 2312 | N/A | C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe | C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SystemDrivers\rHDaudDriv.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SystemDrivers\rHDaudDriv.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened for modification | C:\Windows\SystemDrivers\ | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
"C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 4372
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3888 -ip 3888
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4372 -ip 4372
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3888 -ip 3888
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 488
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 988
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 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.73.42.20.in-addr.arpa | udp |
Files
memory/2312-0-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2312-2-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2312-3-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2312-4-0x0000000010000000-0x000000001004D000-memory.dmp
memory/4372-5-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3888-6-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2312-7-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3888-10-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3888-11-0x0000000010000000-0x000000001004D000-memory.dmp
memory/4372-12-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3888-13-0x0000000010000000-0x000000001004D000-memory.dmp