Analysis Overview
SHA256
408340107c86f0cba968de6cccaa81a06543ca368250bdeb617b5a44cae48d21
Threat Level: Known bad
The file 2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
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
2024-06-10 04:41
Signatures
Detection of CryptoLocker Variants
| 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 04:41
Reported
2024-06-10 04:44
Platform
win7-20240221-en
Max time kernel
148s
Max time network
155s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2140 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2140 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2140 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2140 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_2291df72639b1839f793b162d82513c3_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/2140-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2140-2-0x0000000000550000-0x0000000000556000-memory.dmp
memory/2140-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2140-1-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | be599d772e365bcb6d21acde7210c327 |
| SHA1 | 9a904fc99d4ef7b54ba527189c63384927c2f705 |
| SHA256 | ecca5bf370cc8dfbf5e2083e88fc820f3f80264e02857b6ad1ec21bda0648456 |
| SHA512 | 235188e5f81a0fbd45ee51212e5590bd39f75746cfd43ce38fa8d96e19ac9014b450432f2bf8133f76965ca9ed8f129f5b6e1b657da5f321013b2c410211b74c |
memory/2504-24-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2504-17-0x0000000000200000-0x0000000000206000-memory.dmp
memory/2140-15-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2504-25-0x0000000008000000-0x000000000800A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Reported
0001-01-01 00:00