Analysis Overview
SHA256
cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3
Threat Level: Known bad
The file cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3 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 Program Files directory
Enumerates physical storage devices
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-23 17:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-23 17:25
Reported
2022-11-23 19:12
Platform
win7-20220812-en
Max time kernel
155s
Max time network
158s
Command Line
Signatures
Detect XtremeRAT payload
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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\{2G322806-LSB1-H68O-3UB5-J14X74R3834E} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E} | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\calc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\calc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\calc.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 288 set thread context of 1788 | N/A | C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe | C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.exe | N/A |
| File created | C:\Program Files (x86)\InstallDir\Server.exe | C:\Windows\SysWOW64\calc.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\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\calc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
"C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"
C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
"C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\calc.exe
calc.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | trx3000.dyndns.biz | udp |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp | |
| N/A | 127.0.0.1:83 | tcp |
Files
memory/1788-56-0x0000000010000000-0x0000000010047000-memory.dmp
memory/1788-57-0x000000001000C664-mapping.dmp
memory/1788-58-0x0000000010000000-0x0000000010047000-memory.dmp
memory/288-60-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/1788-59-0x0000000075B11000-0x0000000075B13000-memory.dmp
memory/1788-61-0x0000000010000000-0x0000000010047000-memory.dmp
memory/1788-62-0x0000000010000000-0x0000000010047000-memory.dmp
memory/1788-63-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/784-64-0x0000000010000000-0x0000000010047000-memory.dmp
memory/784-66-0x0000000000000000-mapping.dmp
memory/912-70-0x0000000000000000-mapping.dmp
memory/1788-71-0x0000000010000000-0x0000000010047000-memory.dmp
memory/912-73-0x0000000010000000-0x0000000010047000-memory.dmp
memory/784-74-0x0000000010000000-0x0000000010047000-memory.dmp
C:\Program Files (x86)\InstallDir\Server.exe
| MD5 | 04089bb15a915c801c49d538f2499cf9 |
| SHA1 | 0b6a8a5663e028ebe8ce28d2d2607b42404edd2c |
| SHA256 | cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3 |
| SHA512 | 3e3cbb0d602dbbce710192d8082563c7c487320684959dbfc56bcaf0b7e824c1e629f96e83c510d247494846cb7cde1d8a4ebed62c50c26682cf5811edad065e |
memory/912-76-0x0000000010000000-0x0000000010047000-memory.dmp
memory/784-77-0x0000000010000000-0x0000000010047000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-23 17:25
Reported
2022-11-23 19:12
Platform
win10v2004-20220812-en
Max time kernel
152s
Max time network
153s
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 5104 set thread context of 2232 | N/A | C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe | C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\calc.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\calc.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\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
"C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"
C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
"C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\calc.exe
calc.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3440 -ip 3440
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3044 -ip 3044
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 468
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3044 -ip 3044
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3440 -ip 3440
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 476
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 504
Network
| Country | Destination | Domain | Proto |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 8.238.23.254:80 | tcp | |
| N/A | 8.238.23.254:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 51.116.253.170:443 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 20.190.160.20:443 | tcp |
Files
memory/5104-132-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/2232-135-0x0000000000000000-mapping.dmp
memory/2232-136-0x0000000010000000-0x0000000010047000-memory.dmp
memory/2232-137-0x0000000010000000-0x0000000010047000-memory.dmp
memory/5104-138-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/2232-139-0x0000000010000000-0x0000000010047000-memory.dmp
memory/3440-140-0x0000000000000000-mapping.dmp
memory/3044-141-0x0000000000000000-mapping.dmp
memory/2232-142-0x0000000010000000-0x0000000010047000-memory.dmp
memory/3044-143-0x0000000010000000-0x0000000010047000-memory.dmp
memory/3440-144-0x0000000010000000-0x0000000010047000-memory.dmp