Analysis Overview
SHA256
e5efd74a4e3296d915a14fd0618a99df2477ae9335d3bc13f05bfa1286dd96ef
Threat Level: Shows suspicious behavior
The file 2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-10 06:41
Signatures
UPX packed file
| 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
2024-11-10 06:41
Reported
2024-11-10 06:43
Platform
win7-20240903-en
Max time kernel
147s
Max time network
148s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1964 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1964 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1964 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1964 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
Files
memory/1964-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1964-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1964-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1964-2-0x0000000000280000-0x0000000000286000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 9c7c74e78c9e4fc9eb69369ce0d1ce60 |
| SHA1 | af8e732e992a43dd12bc0190de498945b4144b6b |
| SHA256 | ee68eac49fc5d7662a9701b94c0eeb9c7588b9373bd3579d80aea60d43551340 |
| SHA512 | acafc458d356c9a72ab3f6146d66665bfb38f920f1460e873703beca9b104b592f1a5c9e6c884a43ef39d90cc52b6825b1f1187bc7bb66e12325fb6478713e20 |
memory/1964-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1964-14-0x00000000006E0000-0x00000000006F0000-memory.dmp
memory/2896-25-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 06:41
Reported
2024-11-10 06:43
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4732 wrote to memory of 976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4732 wrote to memory of 976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4732 wrote to memory of 976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8f1f9843bff7ff7d349f7f3016f20eb7_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4732-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4732-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4732-2-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4732-3-0x00000000005B0000-0x00000000005B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 9c7c74e78c9e4fc9eb69369ce0d1ce60 |
| SHA1 | af8e732e992a43dd12bc0190de498945b4144b6b |
| SHA256 | ee68eac49fc5d7662a9701b94c0eeb9c7588b9373bd3579d80aea60d43551340 |
| SHA512 | acafc458d356c9a72ab3f6146d66665bfb38f920f1460e873703beca9b104b592f1a5c9e6c884a43ef39d90cc52b6825b1f1187bc7bb66e12325fb6478713e20 |
memory/4732-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/976-19-0x0000000000690000-0x0000000000696000-memory.dmp
memory/976-20-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/976-26-0x0000000000500000-0x0000000000510000-memory.dmp