Analysis Overview
SHA256
d6f201cafcccaa227dda627cc4b76354028e61c6f7c00c562bc9f898eec2eaad
Threat Level: Known bad
The file 2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
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
2024-06-09 07:34
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
2024-06-09 07:33
Reported
2024-06-09 07:37
Platform
win7-20240220-en
Max time kernel
148s
Max time network
150s
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\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_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\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_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 2036 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2036 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2036 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2036 wrote to memory of 2080 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_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/2036-0-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2036-8-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2036-1-0x0000000000400000-0x0000000000406000-memory.dmp
\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 413cbb761e79041325ca3575c11fa46c |
| SHA1 | f86b9fbf9811a483a6a2266cd4dec20da06af218 |
| SHA256 | a5468e3d138f51cb57cbe67782b3e26673967aa0299c48c6433da289d07bdaf3 |
| SHA512 | 3ec69e3ed2b5b9cb706c61a40669c433a9cc5d104169f529aa84a01584422e9cc696b063f7c1718bfc7516b286949991cc6872aeb85c9968dc4f83f3ab6b0e49 |
memory/2080-23-0x0000000000380000-0x0000000000386000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-09 07:33
Reported
2024-06-09 07:37
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
153s
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_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 4656 wrote to memory of 4152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 4656 wrote to memory of 4152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 4656 wrote to memory of 4152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_a316b3b422b74c083ff7f511ca2780d3_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.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 |
| US | 8.8.8.8:53 | 13.227.111.52.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/4656-0-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4656-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4656-8-0x0000000002350000-0x0000000002356000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 413cbb761e79041325ca3575c11fa46c |
| SHA1 | f86b9fbf9811a483a6a2266cd4dec20da06af218 |
| SHA256 | a5468e3d138f51cb57cbe67782b3e26673967aa0299c48c6433da289d07bdaf3 |
| SHA512 | 3ec69e3ed2b5b9cb706c61a40669c433a9cc5d104169f529aa84a01584422e9cc696b063f7c1718bfc7516b286949991cc6872aeb85c9968dc4f83f3ab6b0e49 |
memory/4152-25-0x0000000002D60000-0x0000000002D66000-memory.dmp