Analysis Overview
SHA256
9c102dd85e165bf8b1053a0d89dd1d248177000a0859d96310f7e0d352273ed0
Threat Level: Known bad
The file 2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
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
2024-06-10 04:41
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
2024-06-10 04:41
Reported
2024-06-10 04:44
Platform
win7-20240508-en
Max time kernel
148s
Max time network
149s
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\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_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\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_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 2284 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2284 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2284 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2284 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_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/2284-0-0x00000000003E0000-0x00000000003E6000-memory.dmp
memory/2284-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2284-8-0x00000000003E0000-0x00000000003E6000-memory.dmp
\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 4b8ce0d238df67b2d7577d36b7cd9e3c |
| SHA1 | 55326f2df686a80a84419eb7adc60b1b970048d9 |
| SHA256 | 72d553f2be825f4b137d4814c5f2be01bd96c26a2edd770676c3ffe2170d3e00 |
| SHA512 | 819a371be8fcee5931ee78552b712077bd0b4eb8de9b7d1cd388f03389e6102e5a1b95ad5ef7335a7a806fba15ea3b287ce11c79a9ea4bd5d3a1232f30f1b7de |
memory/3068-23-0x0000000000380000-0x0000000000386000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 04:41
Reported
2024-06-10 04:44
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
151s
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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_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 4528 wrote to memory of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 4528 wrote to memory of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 4528 wrote to memory of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_207c6dffaf7f501f67ebd97e299f510b_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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | 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 |
Files
memory/4528-0-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4528-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4528-8-0x00000000005D0000-0x00000000005D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 4b8ce0d238df67b2d7577d36b7cd9e3c |
| SHA1 | 55326f2df686a80a84419eb7adc60b1b970048d9 |
| SHA256 | 72d553f2be825f4b137d4814c5f2be01bd96c26a2edd770676c3ffe2170d3e00 |
| SHA512 | 819a371be8fcee5931ee78552b712077bd0b4eb8de9b7d1cd388f03389e6102e5a1b95ad5ef7335a7a806fba15ea3b287ce11c79a9ea4bd5d3a1232f30f1b7de |
memory/2924-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp