Analysis Overview
SHA256
5540c8ac959e7c8fe851e4cf20eb0c6fedfcb935bbd55d58bec8a237926adbef
Threat Level: Known bad
The file 9d9a6bece14d2df16d91b125d52f94f2 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
Program crash
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-27 02:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-27 02:39
Reported
2024-01-07 10:53
Platform
win7-20231215-en
Max time kernel
150s
Max time network
151s
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 |
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| N/A | N/A | N/A | N/A |
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| 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\{H608055G-BY2G-3G61-SA6I-5GOV523G1711} | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711}\StubPath = "C:\\Windows\\trt\\efc.exe restart" | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711}\StubPath = "C:\\Windows\\trt\\efc.exe" | C:\Windows\SysWOW64\svchost.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 |
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| 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\\trt\\efc.exe" | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\trt\\efc.exe" | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\trt\\efc.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\\trt\\efc.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2372 set thread context of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\trt\efc.exe | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| File opened for modification | C:\Windows\trt\ | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| File opened for modification | C:\Windows\trt\efc.exe | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe
"C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe
"C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
Files
memory/2372-0-0x0000000074AC0000-0x000000007506B000-memory.dmp
memory/2372-2-0x0000000001F60000-0x0000000001FA0000-memory.dmp
memory/2372-1-0x0000000074AC0000-0x000000007506B000-memory.dmp
memory/2676-8-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2676-7-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2676-6-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2676-15-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2676-14-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2752-11-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2752-9-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2372-5-0x0000000074AC0000-0x000000007506B000-memory.dmp
memory/2676-3-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2676-17-0x0000000010000000-0x000000001004D000-memory.dmp
memory/2752-18-0x0000000010000000-0x000000001004D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-27 02:39
Reported
2024-01-07 10:53
Platform
win10v2004-20231215-en
Max time kernel
180s
Max time network
190s
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 |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711} | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{H608055G-BY2G-3G61-SA6I-5GOV523G1711}\StubPath = "C:\\Windows\\trt\\efc.exe restart" | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.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 |
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\trt\\efc.exe" | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\trt\\efc.exe" | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 448 set thread context of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\trt\efc.exe | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| File created | C:\Windows\trt\efc.exe | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
| File opened for modification | C:\Windows\trt\ | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe
"C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"
C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe
"C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3480 -ip 3480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 488
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3480 -ip 3480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 496
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 6.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
| US | 8.8.8.8:53 | 3fg-clan-server.ath.cx | udp |
Files
memory/448-0-0x0000000075180000-0x0000000075731000-memory.dmp
memory/448-1-0x0000000075180000-0x0000000075731000-memory.dmp
memory/448-2-0x0000000000AF0000-0x0000000000B00000-memory.dmp
memory/1992-3-0x0000000010000000-0x000000001004D000-memory.dmp
memory/1992-6-0x0000000010000000-0x000000001004D000-memory.dmp
memory/448-7-0x0000000004900000-0x000000000495B000-memory.dmp
memory/448-8-0x0000000075180000-0x0000000075731000-memory.dmp
memory/1992-9-0x0000000010000000-0x000000001004D000-memory.dmp
memory/1992-10-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3480-11-0x0000000010000000-0x000000001004D000-memory.dmp
memory/1992-14-0x0000000010000000-0x000000001004D000-memory.dmp
memory/1992-15-0x0000000010000000-0x000000001004D000-memory.dmp
memory/3480-16-0x0000000010000000-0x000000001004D000-memory.dmp
memory/1992-17-0x0000000010000000-0x000000001004D000-memory.dmp