Analysis Overview
SHA256
151514f9a73af491e0c96f4c647f98b91e183f8a1c911ff459fcc1acc4417596
Threat Level: Shows suspicious behavior
The file 2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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
2024-11-09 18:43
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
2024-11-09 18:43
Reported
2024-11-09 18:45
Platform
win7-20241023-en
Max time kernel
140s
Max time network
140s
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\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_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\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_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 2580 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2580 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2580 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2580 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_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 | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/2580-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2580-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2580-9-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2580-1-0x0000000000420000-0x0000000000426000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | b814a065fda5f3860f185697a51adce6 |
| SHA1 | cc82510976427a8831dd98e69894a6ebb2778f3a |
| SHA256 | 8e096e5e258407e95fb95fcfb397c0365d7a197161ab454c97b25a3b2eeee427 |
| SHA512 | 981eef2c0c9b4cb3082f94b558f0abfeef8609d3d942c8a4aa0f0f6a5294727f04e41a6096496b4b0c1c8b977523e65314b664cc209a05164e2dcbaf23fa1343 |
memory/2580-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2112-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2112-19-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2112-26-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2112-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 18:43
Reported
2024-11-09 18:45
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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_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\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_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 4624 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4624 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4624 wrote to memory of 3488 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_b15c1004d8b7c9002f77b4951b4fb532_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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.209.201.84.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/4624-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4624-1-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/4624-2-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/4624-3-0x00000000020D0000-0x00000000020D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | b814a065fda5f3860f185697a51adce6 |
| SHA1 | cc82510976427a8831dd98e69894a6ebb2778f3a |
| SHA256 | 8e096e5e258407e95fb95fcfb397c0365d7a197161ab454c97b25a3b2eeee427 |
| SHA512 | 981eef2c0c9b4cb3082f94b558f0abfeef8609d3d942c8a4aa0f0f6a5294727f04e41a6096496b4b0c1c8b977523e65314b664cc209a05164e2dcbaf23fa1343 |
memory/4624-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3488-19-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3488-25-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/3488-26-0x0000000000500000-0x0000000000510000-memory.dmp