Analysis Overview
SHA256
1dd0eca88952a201741800793e7dda246b83e8420d35327ee015719b79841996
Threat Level: Known bad
The file 2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:24
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
2024-06-13 03:24
Reported
2024-06-13 03:27
Platform
win7-20240221-en
Max time kernel
12s
Max time network
121s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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\retln.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\retln.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2232 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2232 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2232 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2232 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\retln.exe
"C:\Users\Admin\AppData\Local\Temp\retln.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
Files
memory/2232-0-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2232-8-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2232-1-0x0000000000400000-0x0000000000406000-memory.dmp
\Users\Admin\AppData\Local\Temp\retln.exe
| MD5 | 6238a9baf51ed3bd7e7e644b9668f19c |
| SHA1 | 88c44eb96cab0c714b6a8b0735637d70be1a1258 |
| SHA256 | e110e6c084185c83ab9e66780ddad55c98f98c4f8df5a993aa9e310a99de43df |
| SHA512 | ebcd52687055fc9620180cc2db61e73b3ad245ff6ef38ff944e38899909d161de3597e0cb9423171feea45fd27aad8b8e12f58be20f8c0173823d74ff6e101a6 |
memory/2532-23-0x0000000000340000-0x0000000000346000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:24
Reported
2024-06-13 03:27
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\retln.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2140 wrote to memory of 1776 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2140 wrote to memory of 1776 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2140 wrote to memory of 1776 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\retln.exe
"C:\Users\Admin\AppData\Local\Temp\retln.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 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
Files
memory/2140-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2140-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2140-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\retln.exe
| MD5 | 6238a9baf51ed3bd7e7e644b9668f19c |
| SHA1 | 88c44eb96cab0c714b6a8b0735637d70be1a1258 |
| SHA256 | e110e6c084185c83ab9e66780ddad55c98f98c4f8df5a993aa9e310a99de43df |
| SHA512 | ebcd52687055fc9620180cc2db61e73b3ad245ff6ef38ff944e38899909d161de3597e0cb9423171feea45fd27aad8b8e12f58be20f8c0173823d74ff6e101a6 |
memory/1776-25-0x00000000005E0000-0x00000000005E6000-memory.dmp