Analysis Overview
SHA256
cc1244c29b04f6adc8a9ef998b857d3d3cba072bed511df163c53913af7f4c55
Threat Level: Known bad
The file 93aebf8e0711a6df3899fba3d544a96a was found to be: Known bad.
Malicious Activity Summary
XtremeRAT
Detect XtremeRAT payload
Modifies Installed Components in the registry
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
2024-02-06 03:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-06 03:15
Reported
2024-02-06 03:18
Platform
win7-20231215-en
Max time kernel
150s
Max time network
154s
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\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0}\StubPath = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴癳档獯\u2e74硥e엸က엸က㽜" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2208 set thread context of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe | C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\InstallDir\Server.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened for modification | C:\Windows\InstallDir\ | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
"C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe"
C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.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 | kokostar.sytes.net | udp |
Files
memory/2208-1-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2208-0-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2208-2-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2408-5-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2408-6-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2408-8-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2408-7-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2208-9-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2408-10-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2712-11-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2712-13-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2408-17-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2788-16-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2788-20-0x0000000010000000-0x0000000010045000-memory.dmp
C:\Windows\InstallDir\Server.exe
| MD5 | 93aebf8e0711a6df3899fba3d544a96a |
| SHA1 | b3864673ef6c6902b490e84ea3018db46d32479c |
| SHA256 | cc1244c29b04f6adc8a9ef998b857d3d3cba072bed511df163c53913af7f4c55 |
| SHA512 | 37ab852a6a513db19445e301d3f82b0831cf54af762d03f0125d99f4db9ccac4d56428f4e83c430ddca5c821dadeb8d2f1c40759d8e5fcdc1c16d6ce66cf7eca |
memory/2712-22-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2788-23-0x0000000010000000-0x0000000010045000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 03:15
Reported
2024-02-06 03:18
Platform
win10v2004-20231215-en
Max time kernel
93s
Max time network
150s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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XtremeRAT
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1200 set thread context of 3288 | N/A | C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe | C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe |
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:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
"C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe"
C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.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 180 -p 228 -ip 228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4724 -ip 4724
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4724 -ip 4724
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 228 -ip 228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 488
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 500
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
Files
memory/1200-0-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1200-1-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1200-2-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1200-3-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3288-6-0x0000000010000000-0x0000000010045000-memory.dmp
memory/3288-7-0x0000000010000000-0x0000000010045000-memory.dmp
memory/1200-8-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3288-9-0x0000000010000000-0x0000000010045000-memory.dmp
memory/3288-10-0x0000000010000000-0x0000000010045000-memory.dmp
memory/228-11-0x0000000010000000-0x0000000010045000-memory.dmp
memory/4724-12-0x0000000010000000-0x0000000010045000-memory.dmp
memory/3288-13-0x0000000010000000-0x0000000010045000-memory.dmp
memory/228-14-0x0000000010000000-0x0000000010045000-memory.dmp