Analysis Overview
SHA256
3e6a62704e7afa1bed653f7720294f7bb311b54fdfaceec5323fc83af8a4b05a
Threat Level: Known bad
The file 2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_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 WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:34
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
2024-06-13 03:34
Reported
2024-06-13 03:36
Platform
win7-20240220-en
Max time kernel
149s
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\hasfj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2184 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2184 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2184 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2184 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/2184-8-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2184-0-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2184-1-0x00000000002B0000-0x00000000002B6000-memory.dmp
\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 67901f68f6f46834da58f004adc16f41 |
| SHA1 | a85f940fd2f18518f3684f51550c0613a7955f50 |
| SHA256 | 6d50f970c2d685be809f391b310a1d2707c3fabf601237105e1653d7dbdfcfe7 |
| SHA512 | cb4c83efbf9ed26922322629e616ea2ac63be791920e6fcb589fddaae2b6647d74ecb01982cc7f41dd190b2bad5777821e810a78d67a920e5f777b8820671de6 |
memory/2744-15-0x00000000002F0000-0x00000000002F6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:34
Reported
2024-06-13 03:36
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
147s
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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hasfj.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 436 wrote to memory of 4384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 436 wrote to memory of 4384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 436 wrote to memory of 4384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mytarta.com | udp |
| 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 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/436-0-0x0000000002250000-0x0000000002256000-memory.dmp
memory/436-1-0x0000000003150000-0x0000000003156000-memory.dmp
memory/436-8-0x0000000002250000-0x0000000002256000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 67901f68f6f46834da58f004adc16f41 |
| SHA1 | a85f940fd2f18518f3684f51550c0613a7955f50 |
| SHA256 | 6d50f970c2d685be809f391b310a1d2707c3fabf601237105e1653d7dbdfcfe7 |
| SHA512 | cb4c83efbf9ed26922322629e616ea2ac63be791920e6fcb589fddaae2b6647d74ecb01982cc7f41dd190b2bad5777821e810a78d67a920e5f777b8820671de6 |
memory/4384-23-0x0000000002180000-0x0000000002186000-memory.dmp