Analysis Overview
SHA256
dad68d5c20fd940f28a319474cde46444a36cf353b12eecf400730745fa7f763
Threat Level: Known bad
The file 2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 12:48
Signatures
Detection of CryptoLocker Variants
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 12:48
Reported
2024-06-13 12:51
Platform
win7-20240508-en
Max time kernel
144s
Max time network
148s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 620 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 620 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 620 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 620 wrote to memory of 2568 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
Files
memory/620-0-0x0000000000420000-0x0000000000426000-memory.dmp
memory/620-1-0x0000000000460000-0x0000000000466000-memory.dmp
memory/620-8-0x0000000000230000-0x0000000000233000-memory.dmp
memory/620-9-0x0000000000420000-0x0000000000426000-memory.dmp
\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 38f8e2281f871a0223d64bdfb51e38b8 |
| SHA1 | 60b6dd562e0425ddeaac9fe614c84354d44794e3 |
| SHA256 | cbbd1a435934bb1caa8b6c9de2ea103e87b7a7646c6a46cadffe252e971ff647 |
| SHA512 | 1b2852cb346858916c0c772fcc72af1675a9051565589a498e967cc2009e9b78b71f847934d9965d5afffa35bde11b6ffae8e4bd36a6126cf8df52ebaaf83f2d |
memory/2568-16-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2568-24-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2568-23-0x0000000000230000-0x0000000000236000-memory.dmp
memory/2568-25-0x0000000000230000-0x0000000000236000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 12:48
Reported
2024-06-13 12:51
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1780 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1780 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1780 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
Files
memory/1780-0-0x00000000004E0000-0x00000000004E3000-memory.dmp
memory/1780-1-0x0000000000620000-0x0000000000626000-memory.dmp
memory/1780-2-0x0000000000650000-0x0000000000656000-memory.dmp
memory/1780-9-0x0000000000620000-0x0000000000626000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 38f8e2281f871a0223d64bdfb51e38b8 |
| SHA1 | 60b6dd562e0425ddeaac9fe614c84354d44794e3 |
| SHA256 | cbbd1a435934bb1caa8b6c9de2ea103e87b7a7646c6a46cadffe252e971ff647 |
| SHA512 | 1b2852cb346858916c0c772fcc72af1675a9051565589a498e967cc2009e9b78b71f847934d9965d5afffa35bde11b6ffae8e4bd36a6126cf8df52ebaaf83f2d |
memory/1780-16-0x00000000004E0000-0x00000000004E3000-memory.dmp
memory/2348-19-0x0000000000750000-0x0000000000756000-memory.dmp