Analysis Overview
SHA256
e5857e7c38b52e5c549067e332f3749f6a998148e3f602f43603f17c26d184a7
Threat Level: Shows suspicious behavior
The file 2024-08-25_554730e8b97fdee57ebc24edf8c63473_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
2024-08-25 09:51
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
2024-08-25 09:51
Reported
2024-08-25 09:53
Platform
win7-20240705-en
Max time kernel
141s
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\2024-08-25_554730e8b97fdee57ebc24edf8c63473_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\2024-08-25_554730e8b97fdee57ebc24edf8c63473_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 3024 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3024 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3024 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3024 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_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/3024-9-0x0000000000330000-0x0000000000336000-memory.dmp
memory/3024-2-0x0000000000470000-0x0000000000476000-memory.dmp
memory/3024-1-0x0000000000330000-0x0000000000336000-memory.dmp
memory/3024-0-0x0000000000500000-0x0000000000510000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5d97e3f287c7a88668d70364d76e77b8 |
| SHA1 | f64d75a298c81f60cb475e94f504134ef41c8089 |
| SHA256 | ba84235b5b45cce5cf1452fde1719180002c9a77ebeb2b644f0334d4f855e3e6 |
| SHA512 | a9640c45075d98e70ac56a0eb65f893d2184b4583bf8c6e1889c7b793145cab6e826515482030e2229aa6f09c6c455a1867903a22be5d2d8ce15589274a2e84e |
memory/3024-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2544-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2544-26-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2544-19-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2544-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
160s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_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\2024-08-25_554730e8b97fdee57ebc24edf8c63473_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 3704 wrote to memory of 4268 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3704 wrote to memory of 4268 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3704 wrote to memory of 4268 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_554730e8b97fdee57ebc24edf8c63473_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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/3704-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3704-1-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/3704-2-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/3704-3-0x00000000007D0000-0x00000000007D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5d97e3f287c7a88668d70364d76e77b8 |
| SHA1 | f64d75a298c81f60cb475e94f504134ef41c8089 |
| SHA256 | ba84235b5b45cce5cf1452fde1719180002c9a77ebeb2b644f0334d4f855e3e6 |
| SHA512 | a9640c45075d98e70ac56a0eb65f893d2184b4583bf8c6e1889c7b793145cab6e826515482030e2229aa6f09c6c455a1867903a22be5d2d8ce15589274a2e84e |
memory/3704-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4268-20-0x0000000002110000-0x0000000002116000-memory.dmp
memory/4268-26-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4268-27-0x0000000000500000-0x0000000000510000-memory.dmp