Analysis Overview
SHA256
56b9f616185b04f68953da9b8438ddc36c35a89f43ee17468fd2884aec9eab45
Threat Level: Shows suspicious behavior
The file 2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 11:24
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 11:24
Reported
2024-11-09 11:27
Platform
win7-20240903-en
Max time kernel
141s
Max time network
144s
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_4c7064174b872b8d7086694704e135c7_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_4c7064174b872b8d7086694704e135c7_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 2572 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2572 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2572 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2572 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_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 | 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 |
| 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 | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/2572-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2572-1-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2572-2-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2572-3-0x0000000000460000-0x0000000000466000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 3bad014301d7655250d2e13d800bdb88 |
| SHA1 | e4f09c81bbd39d8dbda9688a73bb4a99f2e00525 |
| SHA256 | a661455bf16772d12a3b7a207823e0a8044f9e9077f7ad025381044524e3b4b4 |
| SHA512 | 01e0b6dabbda989b6cf78c624f6ba14af4144884e430311e8a5d289cc1ee871cfa703bb635f2710bf7ffb7cd29cd48f7365bce8dfdf564f1a9a511d79ab62f6c |
memory/3068-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2572-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3068-19-0x0000000000480000-0x0000000000486000-memory.dmp
memory/3068-26-0x0000000000440000-0x0000000000446000-memory.dmp
memory/3068-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 11:24
Reported
2024-11-09 11:27
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
156s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_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_4c7064174b872b8d7086694704e135c7_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 4692 wrote to memory of 1692 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4692 wrote to memory of 1692 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4692 wrote to memory of 1692 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_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 | 241.150.49.20.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 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.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 | 19.229.111.52.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/4692-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4692-1-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/4692-2-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/4692-3-0x0000000000600000-0x0000000000606000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 3bad014301d7655250d2e13d800bdb88 |
| SHA1 | e4f09c81bbd39d8dbda9688a73bb4a99f2e00525 |
| SHA256 | a661455bf16772d12a3b7a207823e0a8044f9e9077f7ad025381044524e3b4b4 |
| SHA512 | 01e0b6dabbda989b6cf78c624f6ba14af4144884e430311e8a5d289cc1ee871cfa703bb635f2710bf7ffb7cd29cd48f7365bce8dfdf564f1a9a511d79ab62f6c |
memory/4692-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1692-19-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1692-20-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/1692-26-0x0000000000500000-0x0000000000510000-memory.dmp