Analysis Overview
SHA256
5e43d254611933170aebf6d8f7e9779f57c3ac5ace1f39fcbe16b717574c1b4f
Threat Level: Shows suspicious behavior
The file 2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys was found to be: Shows suspicious behavior.
Malicious Activity Summary
Reads user/profile data of web browsers
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-07-04 17:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-07-04 17:40
Reported
2025-07-04 17:43
Platform
win10v2004-20250619-en
Max time kernel
104s
Max time network
135s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4076 wrote to memory of 3380 | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | C:\Windows\CTS.exe |
| PID 4076 wrote to memory of 3380 | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | C:\Windows\CTS.exe |
| PID 4076 wrote to memory of 3380 | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | C:\Windows\CTS.exe |
| PID 4992 wrote to memory of 1092 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\CTS.exe |
| PID 4992 wrote to memory of 1092 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\CTS.exe |
| PID 4992 wrote to memory of 1092 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\CTS.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
C:\Windows\CTS.exe
C:\Windows\CTS.exe
Network
| Country | Destination | Domain | Proto |
| GB | 2.18.27.76:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.180.3:80 | c.pki.goog | tcp |
Files
C:\Windows\CTS.exe
| MD5 | f9d4ab0a726adc9b5e4b7d7b724912f1 |
| SHA1 | 3d42ca2098475924f70ee4a831c4f003b4682328 |
| SHA256 | b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc |
| SHA512 | 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
| MD5 | 8c919278f9d88f66c3f664bf0b6c581c |
| SHA1 | 06b910087ddf9e8d88a9e036b7ab0935f4f1107b |
| SHA256 | 67058ac4803585434959740415e3012cf20fd6bc7decd306f041129e6458bb1e |
| SHA512 | 4a6ca4c99d201411c601f45ababe7e57749fa132b50a67ae6bfee1b34ec8be7321985ce60ed146f6f48ea2ad900223d91e3d141f8a7dbe87da73f345a37e143d |
C:\Users\Admin\AppData\Local\Temp\vQCLnFM5pL8BJ15.exe
| MD5 | dd9d379d8e01ed1830b29cb2da62ea97 |
| SHA1 | fda5addba75a280aa38b6e679519d3f4c16d89d9 |
| SHA256 | 98d358681396c553cd47ac881f6f932cc8dba933bac9f7064e66ca90c77d0463 |
| SHA512 | 1724744f85240e52620206b412a1fde2edd908e447652ece04250e6aa1da0534909ed22300c6e50fea8f88f5d35034b3970191699251360c6472064b6b64a435 |
Analysis: behavioral2
Detonation Overview
Submitted
2025-07-04 17:40
Reported
2025-07-04 17:43
Platform
win11-20250619-en
Max time kernel
101s
Max time network
104s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4232 wrote to memory of 4060 | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | C:\Windows\CTS.exe |
| PID 4232 wrote to memory of 4060 | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | C:\Windows\CTS.exe |
| PID 4232 wrote to memory of 4060 | N/A | C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe | C:\Windows\CTS.exe |
| PID 4624 wrote to memory of 3156 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\CTS.exe |
| PID 4624 wrote to memory of 3156 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\CTS.exe |
| PID 4624 wrote to memory of 3156 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2025-07-04_a1abf560f59533c62ca03ae69d77bbc9_bkransomware_elex_rhadamanthys.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\CTS.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
C:\Windows\CTS.exe
C:\Windows\CTS.exe
Network
Files
C:\Windows\CTS.exe
| MD5 | f9d4ab0a726adc9b5e4b7d7b724912f1 |
| SHA1 | 3d42ca2098475924f70ee4a831c4f003b4682328 |
| SHA256 | b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc |
| SHA512 | 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432 |
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | b1326db3654b2dcda0b38bd5534beae9 |
| SHA1 | ec6d57d6c4c2b7140af3bf526838c2c16edbe382 |
| SHA256 | 8e438a486a6ca73f20e41dd2eea7b7c69e44fc317ad3b40368285b8932399c1b |
| SHA512 | d0cc5503f107783507a6603de867a3db3b537abefa23201095f775b1befc874eb877ce09c061e622254614685bc666a6fd4e0c6505e4e7156f1ce316370e38d5 |
C:\Users\Admin\AppData\Local\Temp\xKZh3ngp186IFme.exe
| MD5 | af75e05bf1020785e7afb81820d82ae4 |
| SHA1 | 51904f3d8b5873066b9bed110a99a2179eb64cb9 |
| SHA256 | 80cc1ad10229331829e42f9c583c2f58b8143f95b584026e2ad2706da9c594e3 |
| SHA512 | 3ca19f280a5e0374237c6496faf387926b77a6840c43c9e45d6386a8b745b4d64029cdc4a82735a8d3e9574d8d7f2f25a23addbf2212de1a8ceeddf1479f0272 |