Analysis Overview
SHA256
c9f320f44b60f8a435958bfe08f12007bb2e4686d348fce3c209201c86866f8e
Threat Level: Shows suspicious behavior
The file 2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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 06:40
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 06:40
Reported
2024-11-10 06:43
Platform
win7-20240903-en
Max time kernel
148s
Max time network
149s
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_8c05a4dc0206acd072b0d926c03cc06e_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_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2824 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2824 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2824 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2824 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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 | 3.18.7.81:443 | 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 |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
Files
memory/2824-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2824-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2824-2-0x0000000000480000-0x0000000000486000-memory.dmp
memory/2824-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6d58046727b12ca6b625e0c0c707276d |
| SHA1 | da956a7d15a5954b76fae4a02c675e4a067a1deb |
| SHA256 | 22e77bf48278a0888229ab45c3f2b7104d3b3fca4e14a5b8e0504aca217bf549 |
| SHA512 | a4c7a78ecd456480759ffa7f61e600f2e84c9dbe5ce3b2434f913020a5a40ad59cb589c4555293e7fb5fe40d7daf4655395e8ca3e0c3a29b836c98031ae4de14 |
memory/2824-12-0x00000000006E0000-0x00000000006F0000-memory.dmp
memory/2824-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2800-18-0x0000000000330000-0x0000000000336000-memory.dmp
memory/2800-19-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2800-26-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 06:40
Reported
2024-11-10 06:43
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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_8c05a4dc0206acd072b0d926c03cc06e_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 5052 wrote to memory of 1012 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5052 wrote to memory of 1012 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5052 wrote to memory of 1012 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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 | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.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 | 8.8.8.8:53 | 83.210.23.2.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 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.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 |
Files
memory/5052-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/5052-1-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/5052-2-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/5052-3-0x00000000007D0000-0x00000000007D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6d58046727b12ca6b625e0c0c707276d |
| SHA1 | da956a7d15a5954b76fae4a02c675e4a067a1deb |
| SHA256 | 22e77bf48278a0888229ab45c3f2b7104d3b3fca4e14a5b8e0504aca217bf549 |
| SHA512 | a4c7a78ecd456480759ffa7f61e600f2e84c9dbe5ce3b2434f913020a5a40ad59cb589c4555293e7fb5fe40d7daf4655395e8ca3e0c3a29b836c98031ae4de14 |
memory/5052-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1012-25-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1012-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1012-26-0x0000000000500000-0x000000000050F311-memory.dmp