Analysis Overview
SHA256
e6d3aed6a3736cae8fc9dcf0840027917dadd03af9d53c32b0e3db7c023b9871
Threat Level: Known bad
The file 2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Kinsing
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
2024-01-25 17:33
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
2024-01-25 17:33
Reported
2024-01-25 17:36
Platform
win7-20231215-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 |
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\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1992 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1992 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1992 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1992 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_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/1992-0-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1992-1-0x0000000001CB0000-0x0000000001CB6000-memory.dmp
memory/1992-4-0x00000000004F0000-0x00000000004F6000-memory.dmp
\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 585ecf172e8b9efac582e4732d0911da |
| SHA1 | b3db62eecb985b0af6e5250dbf8e0d61e8e1cfdb |
| SHA256 | 760459c5a2a4f7ec497e6cfda15136d811a66104672690fd0d67f346dcbed6cf |
| SHA512 | 1fd88708884dff26982516c608555f316d8ec47320e00905e8a1b2b7458b62c679b1f334601aec5f256ba05dcc7fca03c75921fa23811047b911ff1386a938bc |
memory/2384-15-0x0000000001CF0000-0x0000000001CF6000-memory.dmp
memory/2384-22-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:33
Reported
2024-01-25 17:36
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Kinsing
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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_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 4712 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 4712 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 4712 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b5c4613dc241dfa68ecfa73cc7cf1d3_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 133.211.185.52.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 | 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 | 145.71.91.104.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 | 11.227.111.52.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 | mytarta.com | udp |
Files
memory/4712-0-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4712-1-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4712-2-0x0000000003150000-0x0000000003156000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 585ecf172e8b9efac582e4732d0911da |
| SHA1 | b3db62eecb985b0af6e5250dbf8e0d61e8e1cfdb |
| SHA256 | 760459c5a2a4f7ec497e6cfda15136d811a66104672690fd0d67f346dcbed6cf |
| SHA512 | 1fd88708884dff26982516c608555f316d8ec47320e00905e8a1b2b7458b62c679b1f334601aec5f256ba05dcc7fca03c75921fa23811047b911ff1386a938bc |
memory/3312-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/3312-23-0x00000000020A0000-0x00000000020A6000-memory.dmp