Analysis Overview
SHA256
01f10db385d50b10de4916783d8e9d187af1deda13d7512f801a8e7773512ac8
Threat Level: Known bad
The file 8415fa37eb630db0d0663294a6925a58 was found to be: Known bad.
Malicious Activity Summary
XtremeRAT
Detect XtremeRAT payload
Modifies Installed Components in the registry
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-31 09:42
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-31 09:42
Reported
2024-01-31 09:45
Platform
win7-20231215-en
Max time kernel
149s
Max time network
119s
Command Line
Signatures
Detect XtremeRAT payload
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
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 |
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:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰㐸㔱慦㜳扥㌶搰ぢつ㘶㈳㐹㙡㈹愵㠵䔮䕘" | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.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-1-5-21-3601492379-692465709-652514833-1000\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 1888 set thread context of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| File created | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| File opened for modification | C:\Windows\InstallDir\ | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.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\8415fa37eb630db0d0663294a6925a58.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe
"C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe"
C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE
"C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp |
Files
memory/1888-1-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/1892-3-0x0000000010000000-0x0000000010045000-memory.dmp
memory/1888-4-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/1892-6-0x0000000010000000-0x0000000010045000-memory.dmp
memory/1892-7-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/1892-8-0x0000000010000000-0x0000000010045000-memory.dmp
memory/1892-5-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2004-9-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2004-14-0x0000000010000000-0x0000000010045000-memory.dmp
memory/1892-15-0x0000000010000000-0x0000000010045000-memory.dmp
C:\Windows\InstallDir\Server.exe
| MD5 | 8415fa37eb630db0d0663294a6925a58 |
| SHA1 | 843fcd503968de01b0a898d877500ab7ba5c1a8c |
| SHA256 | 01f10db385d50b10de4916783d8e9d187af1deda13d7512f801a8e7773512ac8 |
| SHA512 | 06c08a16dc19c6763b547714b6c1a53379354bb7d8a6503f35cf921db48ed8e8d8912da398cdfba1dcb58ff20887383a8368444e31dadac44465dd9234fa8507 |
memory/1892-17-0x0000000010000000-0x0000000010045000-memory.dmp
memory/2004-18-0x0000000010000000-0x0000000010045000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-31 09:42
Reported
2024-01-31 09:45
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
94s
Command Line
Signatures
Detect XtremeRAT payload
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰㐸㔱慦㜳扥㌶搰ぢつ㘶㈳㐹㙡㈹愵㠵䔮䕘" | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1244 set thread context of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\InstallDir\ | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| File opened for modification | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
| File created | C:\Windows\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe
"C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.exe"
C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE
"C:\Users\Admin\AppData\Local\Temp\8415fa37eb630db0d0663294a6925a58.EXE"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4612 -ip 4612
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 476
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4612 -ip 4612
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 488
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp | |
| N/A | 127.0.0.1:5050 | tcp |
Files
memory/1244-0-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/5040-4-0x0000000010000000-0x0000000010045000-memory.dmp
memory/5040-3-0x0000000010000000-0x0000000010045000-memory.dmp
memory/1244-5-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/5040-6-0x0000000010000000-0x0000000010045000-memory.dmp
memory/5040-7-0x0000000010000000-0x0000000010045000-memory.dmp
memory/4612-8-0x0000000010000000-0x0000000010045000-memory.dmp
memory/5040-11-0x0000000010000000-0x0000000010045000-memory.dmp
memory/4612-12-0x0000000010000000-0x0000000010045000-memory.dmp
memory/5040-13-0x0000000010000000-0x0000000010045000-memory.dmp