Analysis Overview
SHA256
e74bf37d308bcd559c103a20cec5109fccce6d89d9e2801cbd001f157ab4d7b6
Threat Level: Known bad
The file 2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:27
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 03:27
Reported
2024-06-13 03:30
Platform
win7-20240611-en
Max time kernel
149s
Max time network
154s
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\rewok.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rewok.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2444 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2444 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2444 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2444 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\rewok.exe
"C:\Users\Admin\AppData\Local\Temp\rewok.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
Files
memory/2444-0-0x0000000000260000-0x0000000000266000-memory.dmp
memory/2444-8-0x0000000000260000-0x0000000000266000-memory.dmp
memory/2444-1-0x0000000000400000-0x0000000000406000-memory.dmp
\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 15544dad88870de782e50f72f2668c98 |
| SHA1 | 2a8998b9b5cd1c1e2b24bac4b54692d48004b201 |
| SHA256 | ecf42d35fbf8d5d445578f07128dbda429e5459e32cc3f2f2efb93b7d7aead96 |
| SHA512 | 4d74cf144456e7a1696b02fee4907dda2814f0eb554bbb50675b0054ca30e4c254cd9f70e4053a499230edf846154995e468324b6578993cf93c021ca3ab0e82 |
memory/2104-16-0x00000000002E0000-0x00000000002E6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:27
Reported
2024-06-13 03:30
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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rewok.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2344 wrote to memory of 536 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2344 wrote to memory of 536 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2344 wrote to memory of 536 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_282e4eaeed2f9c6c631aac703477be8c_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\rewok.exe
"C:\Users\Admin\AppData\Local\Temp\rewok.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
Files
memory/2344-0-0x0000000002250000-0x0000000002256000-memory.dmp
memory/2344-8-0x0000000002250000-0x0000000002256000-memory.dmp
memory/2344-1-0x0000000000400000-0x0000000000406000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 15544dad88870de782e50f72f2668c98 |
| SHA1 | 2a8998b9b5cd1c1e2b24bac4b54692d48004b201 |
| SHA256 | ecf42d35fbf8d5d445578f07128dbda429e5459e32cc3f2f2efb93b7d7aead96 |
| SHA512 | 4d74cf144456e7a1696b02fee4907dda2814f0eb554bbb50675b0054ca30e4c254cd9f70e4053a499230edf846154995e468324b6578993cf93c021ca3ab0e82 |
memory/536-25-0x0000000002D60000-0x0000000002D66000-memory.dmp