Analysis Overview
SHA256
d760e7b45ad8adffb5d79f9a1b211307912518d6aa0e8abde3a8ef3575c595b5
Threat Level: Shows suspicious behavior
The file 2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
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 |
| 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
140s
Max time network
139s
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_4a4c904dd6a8a8d95a6b224ae61688d5_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 |
| 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_4a4c904dd6a8a8d95a6b224ae61688d5_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 2376 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2376 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2376 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2376 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_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 |
Files
memory/2376-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2376-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2376-2-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2376-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 515ec6774b2ebb96c455e71a8969c58b |
| SHA1 | 1a86bd9d20fca94a1de602d466f0c815afce5221 |
| SHA256 | f87a1ec240720777122da5373a21dcbc0ad3aa6e11741a81ed125c5fc999c5b7 |
| SHA512 | 7e8a50e5a707a2713dfc7a7da5f57fbde91cc9cb07136a2a90a8070d25cd4dd5f8baa398c28851df089760d7959fb26ac83ea2f942cff724e39152773b82501f |
memory/2376-13-0x0000000001E70000-0x0000000001E7F000-memory.dmp
memory/2532-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2376-16-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2532-20-0x00000000003F0000-0x00000000003F6000-memory.dmp
memory/2532-27-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2532-28-0x0000000000500000-0x000000000050F000-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
148s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_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_4a4c904dd6a8a8d95a6b224ae61688d5_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 1124 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1124 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1124 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_4a4c904dd6a8a8d95a6b224ae61688d5_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 | 232.168.11.51.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| 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 | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
Files
memory/1124-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1124-1-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/1124-2-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/1124-3-0x00000000007D0000-0x00000000007D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 515ec6774b2ebb96c455e71a8969c58b |
| SHA1 | 1a86bd9d20fca94a1de602d466f0c815afce5221 |
| SHA256 | f87a1ec240720777122da5373a21dcbc0ad3aa6e11741a81ed125c5fc999c5b7 |
| SHA512 | 7e8a50e5a707a2713dfc7a7da5f57fbde91cc9cb07136a2a90a8070d25cd4dd5f8baa398c28851df089760d7959fb26ac83ea2f942cff724e39152773b82501f |
memory/1124-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/776-19-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/776-25-0x0000000000560000-0x0000000000566000-memory.dmp
memory/776-26-0x0000000000500000-0x000000000050F000-memory.dmp