Analysis Overview
SHA256
4a2da7072c53ff8b1b3f759e32d0a1861c8aaee90ca2991db256756e5fa10eb8
Threat Level: Shows suspicious behavior
The file 2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
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 06:46
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 06:46
Reported
2024-11-10 06:48
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_d3b05368ad42b99ced2c2bd7153513e0_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\asih.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2600 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2600 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2600 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2600 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_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 | 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 |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
Files
memory/2600-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2600-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2600-2-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2600-3-0x0000000000480000-0x0000000000486000-memory.dmp
memory/2300-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2600-17-0x00000000029C0000-0x00000000029CF000-memory.dmp
memory/2600-16-0x0000000000500000-0x000000000050F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 0fd8ff79fe983a020c87ac2743f14258 |
| SHA1 | f204d7e012eea2425568e1944577a0a0e5bcda5b |
| SHA256 | a9d7186c352a8b4284ef58eb743e31974b388493a9b95afeef3b8ffd9a243da8 |
| SHA512 | 7408839d6541e9b3a3da5d0229d8355dfd307cb6c994e89c8668a1955fdaa92c13158e45bd7bab32cea516fd97da3a48d8a21ce7b77cce70f1d4e24e0e59b065 |
memory/2300-20-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2300-28-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2600-27-0x00000000029C0000-0x00000000029CF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 06:46
Reported
2024-11-10 06:48
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
157s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_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 |
| 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_d3b05368ad42b99ced2c2bd7153513e0_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 1528 wrote to memory of 4528 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1528 wrote to memory of 4528 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1528 wrote to memory of 4528 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_d3b05368ad42b99ced2c2bd7153513e0_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 | emrlogistics.com | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.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 |
Files
memory/1528-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1528-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1528-2-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1528-3-0x0000000002070000-0x0000000002076000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 0fd8ff79fe983a020c87ac2743f14258 |
| SHA1 | f204d7e012eea2425568e1944577a0a0e5bcda5b |
| SHA256 | a9d7186c352a8b4284ef58eb743e31974b388493a9b95afeef3b8ffd9a243da8 |
| SHA512 | 7408839d6541e9b3a3da5d0229d8355dfd307cb6c994e89c8668a1955fdaa92c13158e45bd7bab32cea516fd97da3a48d8a21ce7b77cce70f1d4e24e0e59b065 |
memory/4528-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1528-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4528-26-0x0000000000730000-0x0000000000736000-memory.dmp
memory/4528-21-0x0000000000750000-0x0000000000756000-memory.dmp
memory/4528-27-0x0000000000500000-0x000000000050F000-memory.dmp