Analysis Overview
SHA256
4b0e143dc87aa0bbef1e64da1e3ca0d95d112dd87366b2a60299336c7170772d
Threat Level: Known bad
The file 2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:46
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 03:46
Reported
2024-06-13 03:48
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 |
| 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_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2312 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2312 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2312 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2312 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_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/2312-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2312-1-0x0000000000330000-0x0000000000336000-memory.dmp
memory/2312-2-0x0000000000370000-0x0000000000376000-memory.dmp
memory/2312-8-0x0000000000330000-0x0000000000336000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 5294dad84c1fbb2b32b19818f708c2ce |
| SHA1 | 1a77e52c39f77c909834876e72105561abed9ac4 |
| SHA256 | 7810617b000cefde50d22ec54811e7f860d6eeb22c6923aca996ada1002cdd6e |
| SHA512 | c4aa111eadfad7d652c5ad48bbf8b5552d99b51bc7742514d307d0d8349b5c24a3386995186abf9a7c2971014976b8506e75ae0e82a378bb74406eb5ce29d596 |
memory/2312-13-0x0000000002830000-0x000000000283A000-memory.dmp
memory/2312-16-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2188-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2188-19-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2188-26-0x00000000001E0000-0x00000000001E6000-memory.dmp
memory/2188-27-0x0000000008000000-0x000000000800A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:46
Reported
2024-06-13 03:48
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
152s
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_9bedb7a4eb1190eae75ca87a12142ddc_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 3644 wrote to memory of 1548 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 3644 wrote to memory of 1548 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 3644 wrote to memory of 1548 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_9bedb7a4eb1190eae75ca87a12142ddc_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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 97.61.62.23.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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.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 | 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 | 31.243.111.52.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 | udp | |
| US | 8.8.8.8:53 | udp |
Files
memory/3644-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3644-1-0x00000000020C0000-0x00000000020C6000-memory.dmp
memory/3644-3-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/3644-2-0x00000000020C0000-0x00000000020C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 5294dad84c1fbb2b32b19818f708c2ce |
| SHA1 | 1a77e52c39f77c909834876e72105561abed9ac4 |
| SHA256 | 7810617b000cefde50d22ec54811e7f860d6eeb22c6923aca996ada1002cdd6e |
| SHA512 | c4aa111eadfad7d652c5ad48bbf8b5552d99b51bc7742514d307d0d8349b5c24a3386995186abf9a7c2971014976b8506e75ae0e82a378bb74406eb5ce29d596 |
memory/1548-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3644-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1548-20-0x0000000001F60000-0x0000000001F66000-memory.dmp
memory/1548-26-0x0000000001F40000-0x0000000001F46000-memory.dmp
memory/1548-27-0x0000000008000000-0x000000000800A000-memory.dmp