Analysis Overview
SHA256
ad6c0e9b894b822a20759f6cf2aef48886bafdcc665fc302a08c8d9bae698d0d
Threat Level: Known bad
The file 2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_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
2024-06-11 02:32
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
2024-06-11 02:32
Reported
2024-06-11 02:35
Platform
win7-20240221-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\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1904 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1904 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1904 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1904 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_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/1904-0-0x0000000000250000-0x0000000000256000-memory.dmp
memory/1904-2-0x0000000000250000-0x0000000000256000-memory.dmp
memory/1904-1-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1904-3-0x00000000002D0000-0x00000000002D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 351d1426518a8bf32481a507eb0f11a0 |
| SHA1 | 6d6ee9c5a2e85f63056631b26cb1ad37d69fec6f |
| SHA256 | dd318392228c245615fb7a76ac8a7e08897b9e829bab55324f2ad5e7e5cf850b |
| SHA512 | 549a317f8f588098df8a5130b744f17f2768ac0ffd6c8993f2e164b0eab35043f9e51f6129332e338fd2a1847160e8b8f607239b349b7f665ebfd5406f66e6e6 |
memory/1904-14-0x0000000002290000-0x000000000229A000-memory.dmp
memory/2508-16-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2508-25-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2508-18-0x0000000000430000-0x0000000000436000-memory.dmp
memory/2508-26-0x0000000008000000-0x000000000800A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 02:32
Reported
2024-06-11 02:35
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
157s
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 |
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\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_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 4624 wrote to memory of 3576 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 4624 wrote to memory of 3576 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 4624 wrote to memory of 3576 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_8884909fc08a1b94723e63ebbd6f2ad3_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 | 8.8.8.8.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 |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/4624-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4624-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4624-2-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4624-9-0x00000000006A0000-0x00000000006A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 351d1426518a8bf32481a507eb0f11a0 |
| SHA1 | 6d6ee9c5a2e85f63056631b26cb1ad37d69fec6f |
| SHA256 | dd318392228c245615fb7a76ac8a7e08897b9e829bab55324f2ad5e7e5cf850b |
| SHA512 | 549a317f8f588098df8a5130b744f17f2768ac0ffd6c8993f2e164b0eab35043f9e51f6129332e338fd2a1847160e8b8f607239b349b7f665ebfd5406f66e6e6 |
memory/4624-16-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3576-19-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3576-25-0x0000000000590000-0x0000000000596000-memory.dmp
memory/3576-26-0x0000000008000000-0x000000000800A000-memory.dmp