Analysis Overview
SHA256
adad6176dd4dd8cdd816d166d961893c177bb027fb88ec44a3655fde5ffb38fb
Threat Level: Known bad
The file 2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
UPX packed file
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-06 20:33
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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
2024-06-06 20:33
Reported
2024-06-06 20:36
Platform
win7-20240508-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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 |
Detection of Cryptolocker Samples
| 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 |
UPX dump on OEP (original entry point)
| 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 |
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\2024-06-06_64f865ebb668ea62169180a00348b5da_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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1644 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1644 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1644 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1644 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_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 | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/1644-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1644-1-0x00000000001E0000-0x00000000001E6000-memory.dmp
memory/1644-2-0x00000000001E0000-0x00000000001E6000-memory.dmp
memory/1644-3-0x00000000002A0000-0x00000000002A6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 7bd7b80d3645adf76abca4bef2fd4ed3 |
| SHA1 | 215020a608b3772ff72eb893135fff693d1919f7 |
| SHA256 | 0af71c04e5c7e634953933e40559f22162cb167661f82d878fc638652abb39e5 |
| SHA512 | 40494ca15e7da91970258038e39f2beb78e3949534438b1e884809cd896920410fdbf24a0478bc9e1d59b7fcd4bba8d1dab99480e6c6bbcb78f51a78c9df5228 |
memory/1644-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2984-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2984-18-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2984-25-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2984-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 20:33
Reported
2024-06-06 20:36
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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 |
Detection of Cryptolocker Samples
| 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 |
UPX dump on OEP (original entry point)
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4592 wrote to memory of 4992 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4592 wrote to memory of 4992 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4592 wrote to memory of 4992 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_64f865ebb668ea62169180a00348b5da_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 | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| 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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 13.179.89.13.in-addr.arpa | udp |
Files
memory/4592-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4592-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/4592-3-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/4592-2-0x00000000021C0000-0x00000000021C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 7bd7b80d3645adf76abca4bef2fd4ed3 |
| SHA1 | 215020a608b3772ff72eb893135fff693d1919f7 |
| SHA256 | 0af71c04e5c7e634953933e40559f22162cb167661f82d878fc638652abb39e5 |
| SHA512 | 40494ca15e7da91970258038e39f2beb78e3949534438b1e884809cd896920410fdbf24a0478bc9e1d59b7fcd4bba8d1dab99480e6c6bbcb78f51a78c9df5228 |
memory/4992-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4592-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4992-20-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4992-26-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4992-27-0x0000000000500000-0x0000000000510000-memory.dmp