Analysis Overview
SHA256
dea9b22a98b225868f7c2f9461255f05ab1a8c0cdc449a25448faadacaa6447a
Threat Level: Known bad
The file 2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_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
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 18:48
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
2024-06-12 18:48
Reported
2024-06-12 18:51
Platform
win7-20240221-en
Max time kernel
149s
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\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2232 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2232 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2232 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2232 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/2232-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2232-8-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2232-1-0x0000000000210000-0x0000000000216000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5a0f0834f0552467c9ca89c6e3ff4f45 |
| SHA1 | bf83c9eaa66f2f8f21196b4cc705b83f3294eddc |
| SHA256 | 6265cdad19b6c0bb43884aad86c36c56ca636897239c1ef72704662c6ba2bc7d |
| SHA512 | 536c06f809a10121d38e80493c4cf192ff5e5dcf63aa23d15fe654bf770f18e2117b8aeb5daca515437f58c0ed959199688bda4e3e71a74299eeeee8e34d82b1 |
memory/2492-22-0x0000000000440000-0x0000000000446000-memory.dmp
memory/2492-15-0x0000000000480000-0x0000000000486000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 18:48
Reported
2024-06-12 18:51
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\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_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 3216 wrote to memory of 5032 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3216 wrote to memory of 5032 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3216 wrote to memory of 5032 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_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 | 52.111.229.43:443 | tcp | |
| 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/3216-0-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/3216-1-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3216-8-0x00000000006B0000-0x00000000006B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5a0f0834f0552467c9ca89c6e3ff4f45 |
| SHA1 | bf83c9eaa66f2f8f21196b4cc705b83f3294eddc |
| SHA256 | 6265cdad19b6c0bb43884aad86c36c56ca636897239c1ef72704662c6ba2bc7d |
| SHA512 | 536c06f809a10121d38e80493c4cf192ff5e5dcf63aa23d15fe654bf770f18e2117b8aeb5daca515437f58c0ed959199688bda4e3e71a74299eeeee8e34d82b1 |
memory/5032-23-0x0000000000660000-0x0000000000666000-memory.dmp