Analysis Overview
SHA256
ef01638c4ff90c47600f37240ca4069b52cad308be043865ddb426f008dd5b37
Threat Level: Known bad
The file 2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:45
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
2024-06-13 03:45
Reported
2024-06-13 03:47
Platform
win7-20240221-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\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2292 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2292 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2292 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2292 wrote to memory of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_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/2292-0-0x0000000000250000-0x0000000000256000-memory.dmp
memory/2292-1-0x0000000000480000-0x0000000000486000-memory.dmp
memory/2292-8-0x0000000000250000-0x0000000000256000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5649c9068446432b41c5f1387b806f4f |
| SHA1 | ff8c09569e2ef745c6573ba04d985104f93aedb9 |
| SHA256 | fa458ce0255c5f606583ee06a5068c193208302151450d8883be5eab5d7811b3 |
| SHA512 | 1beb31188635d1112cf567c318f6fcaa907a6f6a7621c9a6ce0d5671d830d24168c50be33293af84d275a782e30178b3c743ee100217f3689013b6e89f93ba8a |
memory/2976-15-0x00000000004E0000-0x00000000004E6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:45
Reported
2024-06-13 03:47
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_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 4152 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4152 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4152 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_958f88c4783c2eaa9cdc70270a6711d3_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/4152-0-0x0000000001FD0000-0x0000000001FD6000-memory.dmp
memory/4152-1-0x0000000001FF0000-0x0000000001FF6000-memory.dmp
memory/4152-8-0x0000000001FD0000-0x0000000001FD6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5649c9068446432b41c5f1387b806f4f |
| SHA1 | ff8c09569e2ef745c6573ba04d985104f93aedb9 |
| SHA256 | fa458ce0255c5f606583ee06a5068c193208302151450d8883be5eab5d7811b3 |
| SHA512 | 1beb31188635d1112cf567c318f6fcaa907a6f6a7621c9a6ce0d5671d830d24168c50be33293af84d275a782e30178b3c743ee100217f3689013b6e89f93ba8a |
memory/2544-17-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2544-23-0x00000000004D0000-0x00000000004D6000-memory.dmp