Analysis Overview
SHA256
04a66ede7d31fe8a9160d572e73c7eab423e0e213bc679c5a0c41e378664068d
Threat Level: Known bad
The file 2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 12:33
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| 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 12:33
Reported
2024-06-13 12:35
Platform
win7-20240508-en
Max time kernel
148s
Max time network
148s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| 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\asih.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2988 wrote to memory of 1320 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2988 wrote to memory of 1320 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2988 wrote to memory of 1320 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2988 wrote to memory of 1320 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2988-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2988-1-0x0000000000340000-0x0000000000346000-memory.dmp
memory/2988-8-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8980246213746517a338e4ff92176842 |
| SHA1 | 4f03c5d500b9ef20f8846c857e108a29b39a8b13 |
| SHA256 | 276d7e90f3d270b5934c5cc07d20814b96b1112799529e02e056701892a5db28 |
| SHA512 | 86f52a248f2cb52e948910359b80b8f8852dba64c0ed9353177bfcd7a8a1de3188203365de7821b517254cf8727b8d6387c93fccf12a979a72f533aec682b7b3 |
memory/1320-22-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1320-15-0x0000000000460000-0x0000000000466000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 12:33
Reported
2024-06-13 12:35
Platform
win10v2004-20240611-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| 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-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3260 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3260 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3260 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3daccc27768288bbd1b898b683735b3c_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 6.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/3260-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3260-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3260-8-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8980246213746517a338e4ff92176842 |
| SHA1 | 4f03c5d500b9ef20f8846c857e108a29b39a8b13 |
| SHA256 | 276d7e90f3d270b5934c5cc07d20814b96b1112799529e02e056701892a5db28 |
| SHA512 | 86f52a248f2cb52e948910359b80b8f8852dba64c0ed9353177bfcd7a8a1de3188203365de7821b517254cf8727b8d6387c93fccf12a979a72f533aec682b7b3 |