Analysis Overview
SHA256
14512f682a657e89b4d507d2c0d189f05698f379b2738b1862ba561a57a9e1ec
Threat Level: Known bad
The file 2024-06-13_b58f811325c6b68c7dc02c24d6950f86_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 WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:49
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 03:49
Reported
2024-06-13 03:52
Platform
win7-20240611-en
Max time kernel
149s
Max time network
150s
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 |
| 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\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2296 wrote to memory of 2324 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2296 wrote to memory of 2324 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2296 wrote to memory of 2324 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2296 wrote to memory of 2324 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_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/2296-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2296-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2296-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2296-3-0x0000000000460000-0x0000000000466000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 16f17def4eacb40aa63a6169990f37e1 |
| SHA1 | adafcf2687e461bacfd145d25a75238ed2c9f3e2 |
| SHA256 | c28071f0760067c4f94f08769f9e10e8390274826106c76792a928d99810d84d |
| SHA512 | 2f993ed71e33017b51591ecddbbb01aa2828c396ba79c840bc4e3c5978471bf92dee93ffdc5920be73c54d7b84b3953cade258ef8e40dc5be9539447a77805ef |
memory/2296-15-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2324-16-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2324-25-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2324-18-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2324-26-0x0000000008000000-0x000000000800A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:49
Reported
2024-06-13 03:52
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
153s
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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2220 wrote to memory of 452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2220 wrote to memory of 452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2220 wrote to memory of 452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b58f811325c6b68c7dc02c24d6950f86_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 |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/2220-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2220-1-0x0000000002050000-0x0000000002056000-memory.dmp
memory/2220-2-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2220-9-0x0000000002050000-0x0000000002056000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 16f17def4eacb40aa63a6169990f37e1 |
| SHA1 | adafcf2687e461bacfd145d25a75238ed2c9f3e2 |
| SHA256 | c28071f0760067c4f94f08769f9e10e8390274826106c76792a928d99810d84d |
| SHA512 | 2f993ed71e33017b51591ecddbbb01aa2828c396ba79c840bc4e3c5978471bf92dee93ffdc5920be73c54d7b84b3953cade258ef8e40dc5be9539447a77805ef |
memory/2220-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/452-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/452-26-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/452-27-0x0000000008000000-0x000000000800A000-memory.dmp