Analysis Overview
SHA256
0b0e7a323aa3bc9fee28a86dfefd7f51397fd614aca5291313197eeb91a3c25a
Threat Level: Likely malicious
The file 2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware was found to be: Likely malicious.
Malicious Activity Summary
Sets service image path in registry
Impair Defenses: Safe Mode Boot
Checks installed software on the system
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 09:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 09:04
Reported
2024-06-26 09:07
Platform
win7-20240221-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\La9eEf\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\La9eEf.sys" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\kEvP64\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\kEvP64.sys" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\7JbDP3\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\7JbDP3.sys" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Impair Defenses: Safe Mode Boot
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\kEvP64.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\La9eEf.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\La9eEf.sys\ = "Driver" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\kEvP64.sys\ = "Driver" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\kEvP64.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\7JbDP3.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\7JbDP3.sys\ = "Driver" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\7JbDP3.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\La9eEf.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\La9eEf.sys
| MD5 | 7e7e3f5532b6af24dcc252ac4b240311 |
| SHA1 | 3ccf1f3ac636a5e21b39ede48ff49fa23e05413f |
| SHA256 | 8e6363a6393eb4234667c6f614b2072e33512866b3204f8395bbe01530d63f2f |
| SHA512 | 92858391b4dc4c3c87124020d47dc1aea6a2939b1dcaa2d55c6b3bca69ee76d9043aca8b24d13fbac49424424707876eea2aa893ab4a18fe78e6d3a95cd4a488 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 09:04
Reported
2024-06-26 09:07
Platform
win10v2004-20240611-en
Max time kernel
132s
Max time network
152s
Command Line
Signatures
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\kEvP64\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\kEvP64.sys" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\1BF9CN\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\1BF9CN.sys" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\vLRa1Q\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\vLRa1Q.sys" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Impair Defenses: Safe Mode Boot
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\kEvP64.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\1BF9CN.sys\ = "Driver" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\vLRa1Q.sys\ = "Driver" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\vLRa1Q.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\vLRa1Q.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\kEvP64.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\kEvP64.sys\ = "Driver" | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\1BF9CN.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\1BF9CN.sys | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-26_95013f1489e4b4c929193ea1f36c5ba0_bkransomware.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| BE | 23.41.178.27:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.178.41.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\vLRa1Q.sys
| MD5 | 7e7e3f5532b6af24dcc252ac4b240311 |
| SHA1 | 3ccf1f3ac636a5e21b39ede48ff49fa23e05413f |
| SHA256 | 8e6363a6393eb4234667c6f614b2072e33512866b3204f8395bbe01530d63f2f |
| SHA512 | 92858391b4dc4c3c87124020d47dc1aea6a2939b1dcaa2d55c6b3bca69ee76d9043aca8b24d13fbac49424424707876eea2aa893ab4a18fe78e6d3a95cd4a488 |