Analysis Overview
SHA256
8106e9d46adfa44d210a78e9018f522237ecd8186918c38bb9c9c47bc0e81bec
Threat Level: Known bad
The file 2024-06-01_654a19a4419aeeecc49a7d91571a831a_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
2024-06-01 18:27
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
2024-06-01 18:27
Reported
2024-06-01 18:30
Platform
win7-20240221-en
Max time kernel
149s
Max time network
149s
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\hasfj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1796 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1796 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1796 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1796 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/1796-8-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1796-1-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/1796-0-0x00000000002A0000-0x00000000002A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 5bbc1e4c3b9e6c5dca872e889a71ecec |
| SHA1 | e4f484d182e0d312a34ae2e6e1a1a5172e992f1f |
| SHA256 | d2d8d493d9b3e8e5dc625eddb1e90063d9de9206933f033c1407d35f7d0c0966 |
| SHA512 | 4b0ae27ec596eaf0080f2ddf4db470c91ffb1ba50a9ef5385d1953d9e5d6299db061df6f95baee8bab9ee50a932d5e36d1c60e070e8713b5c6ef8947a2f4e8ab |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 18:27
Reported
2024-06-01 18:30
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
147s
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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hasfj.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4012 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 4012 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 4012 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 2.17.178.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/4012-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4012-1-0x0000000003150000-0x0000000003156000-memory.dmp
memory/4012-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 5bbc1e4c3b9e6c5dca872e889a71ecec |
| SHA1 | e4f484d182e0d312a34ae2e6e1a1a5172e992f1f |
| SHA256 | d2d8d493d9b3e8e5dc625eddb1e90063d9de9206933f033c1407d35f7d0c0966 |
| SHA512 | 4b0ae27ec596eaf0080f2ddf4db470c91ffb1ba50a9ef5385d1953d9e5d6299db061df6f95baee8bab9ee50a932d5e36d1c60e070e8713b5c6ef8947a2f4e8ab |
memory/228-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/228-23-0x0000000002120000-0x0000000002126000-memory.dmp