Analysis Overview
SHA256
ea097cd789ac1cbc66b4b74d8bd707e8e9cf1d9d7c8f2337495d23fafc692d74
Threat Level: Known bad
The file 2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 15:25
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
2024-06-03 15:25
Reported
2024-06-03 15:28
Platform
win7-20240221-en
Max time kernel
148s
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\rewok.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_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\2024-06-03_2005d568827f2ac7985ed23ade633041_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 2184 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2184 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2184 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 2184 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_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/2184-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2184-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2184-8-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 7f406ceaced7ba45fc16c4efa71691c0 |
| SHA1 | 761b565581502ca9d537e331b3eca62f80f9d7da |
| SHA256 | 56f69e2ccd3d7aa36c87130ccb186e7b7897653e9c6ee62d69f5e018743adf18 |
| SHA512 | 9acfe9a05b844159354266c4640263bcfcb506e2586f5d97e75696e0952c3b029a62289d5b47a7dbbef592bb19a16c5583c325919e8a0aea2655380e1aada334 |
memory/3016-23-0x0000000000390000-0x0000000000396000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 15:25
Reported
2024-06-03 15:28
Platform
win10v2004-20240508-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 |
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\2024-06-03_2005d568827f2ac7985ed23ade633041_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 3168 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 3168 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 3168 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_2005d568827f2ac7985ed23ade633041_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 | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.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 | 152.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | 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/3168-0-0x0000000002010000-0x0000000002016000-memory.dmp
memory/3168-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3168-8-0x0000000002010000-0x0000000002016000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 7f406ceaced7ba45fc16c4efa71691c0 |
| SHA1 | 761b565581502ca9d537e331b3eca62f80f9d7da |
| SHA256 | 56f69e2ccd3d7aa36c87130ccb186e7b7897653e9c6ee62d69f5e018743adf18 |
| SHA512 | 9acfe9a05b844159354266c4640263bcfcb506e2586f5d97e75696e0952c3b029a62289d5b47a7dbbef592bb19a16c5583c325919e8a0aea2655380e1aada334 |
memory/2648-24-0x00000000020D0000-0x00000000020D6000-memory.dmp