Analysis Overview
SHA256
cf7267048f58fa1be4bdcd8524efb028a1d5bf8cb85a311d553544a212b7de8c
Threat Level: Known bad
The file 2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Checks computer location settings
UPX packed file
Loads dropped DLL
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:37
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
2024-06-10 21:37
Reported
2024-06-10 21:39
Platform
win7-20240419-en
Max time kernel
148s
Max time network
150s
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\2024-06-10_a21c08c3ea498909e478defc9461c09d_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 2844 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2844 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2844 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2844 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_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 | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2844-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2844-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2844-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2844-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 655e29d5362a718e0eaa02a2a6fec858 |
| SHA1 | f0b089eb05447160f662afe3e50d1a0f0869f3f4 |
| SHA256 | dda0ccf9063b5984ca800c0e6b412e40710dbe3a57c0a2a2e2a7a0cb9d9880e5 |
| SHA512 | 61515707ac70050b803d79585c69e4b085237f3bb7dff1725d80659d349ca43b9c49661b77700d490f02d498a15c20ba472f985b6249465ad791b4abd1fc73fa |
memory/2668-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2844-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2668-18-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2668-25-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:37
Reported
2024-06-10 21:39
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
150s
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 |
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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2844 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2844 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2844 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_a21c08c3ea498909e478defc9461c09d_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 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.86.6.113:443 | 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 | 97.17.167.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 249.197.17.2.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 | 29.243.111.52.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 |
Files
memory/2844-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2844-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/2844-2-0x0000000000760000-0x0000000000766000-memory.dmp
memory/2844-9-0x0000000000630000-0x0000000000636000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 655e29d5362a718e0eaa02a2a6fec858 |
| SHA1 | f0b089eb05447160f662afe3e50d1a0f0869f3f4 |
| SHA256 | dda0ccf9063b5984ca800c0e6b412e40710dbe3a57c0a2a2e2a7a0cb9d9880e5 |
| SHA512 | 61515707ac70050b803d79585c69e4b085237f3bb7dff1725d80659d349ca43b9c49661b77700d490f02d498a15c20ba472f985b6249465ad791b4abd1fc73fa |
memory/2844-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2344-19-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2344-25-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/2344-26-0x0000000000500000-0x0000000000510000-memory.dmp