Analysis Overview
SHA256
d665c773bb2b595e5945b55adaa25f7f0cc81dcd5455bc489196e0f69492f176
Threat Level: Known bad
The file 2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 00:52
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-02 00:52
Reported
2024-06-02 00:55
Platform
win7-20240220-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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2872 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2872 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2872 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2872 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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 | 54.209.32.212:443 | 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 |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/2872-0-0x0000000000450000-0x0000000000456000-memory.dmp
memory/2872-1-0x0000000000490000-0x0000000000496000-memory.dmp
memory/2872-8-0x0000000000450000-0x0000000000456000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 387f3bacf276247f26feaa22ddf2c07e |
| SHA1 | 22e6c7f37d48da8e9603ff422acbf1c0072c0bcd |
| SHA256 | 62cda057b5b88ec40daf7618d39ed696ffaec1e7d369eaecaa92f328378b12d8 |
| SHA512 | 2dbb91d7cac400e4e2caa908bb4df834b5c498b35e01754b9ccc2fd2c7e199fd1446a6b83175a55903b84b86e21ca79dc828a8ecc30a5646a9e481a99f13cff7 |
memory/2492-15-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2492-22-0x00000000002D0000-0x00000000002D6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 00:52
Reported
2024-06-02 00:55
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
153s
Command Line
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4244 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4244 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4244 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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 | emrlogistics.com | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.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/4244-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4244-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4244-8-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 387f3bacf276247f26feaa22ddf2c07e |
| SHA1 | 22e6c7f37d48da8e9603ff422acbf1c0072c0bcd |
| SHA256 | 62cda057b5b88ec40daf7618d39ed696ffaec1e7d369eaecaa92f328378b12d8 |
| SHA512 | 2dbb91d7cac400e4e2caa908bb4df834b5c498b35e01754b9ccc2fd2c7e199fd1446a6b83175a55903b84b86e21ca79dc828a8ecc30a5646a9e481a99f13cff7 |
memory/2124-17-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/2124-23-0x00000000021D0000-0x00000000021D6000-memory.dmp