Analysis Overview
SHA256
b0b814fc7085583a9adc41e3402e3349913ebeeccee99845dcb9391d51e5d8c3
Threat Level: Known bad
The file 2024-01-25_d62f04daf8a916aba6fa404fe18835a5_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 17:38
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 17:38
Reported
2024-01-25 17:40
Platform
win7-20231215-en
Max time kernel
148s
Max time network
153s
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_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2548 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2548 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2548 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2548 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_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/2548-0-0x0000000000330000-0x0000000000336000-memory.dmp
memory/2548-1-0x0000000000330000-0x0000000000336000-memory.dmp
memory/2548-2-0x0000000000350000-0x0000000000356000-memory.dmp
\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | f1b0a009eb2c2de6827bebdb65603b1c |
| SHA1 | 1dc06afe6dd238939acb24c385a8af515066be8d |
| SHA256 | 589e17dfcbcab9292c00eb184febcb9a2d085efc7cfa3347af9d4e8fdf3c78f9 |
| SHA512 | 8221f4e6cd4698e13765e9288d2c31833a16b0745792793c22822a5b4100433382ca43142a18b6e30db211e50d035d5bab98e8f1235f74b2dcdc38434dd2a8cd |
memory/2328-15-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2328-18-0x0000000000280000-0x0000000000286000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:38
Reported
2024-01-25 17:40
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
153s
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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_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 1152 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1152 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1152 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.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 | 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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.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 | 240.221.184.93.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 | 23.236.111.52.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 |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/1152-0-0x0000000002340000-0x0000000002346000-memory.dmp
memory/1152-1-0x0000000002340000-0x0000000002346000-memory.dmp
memory/1152-2-0x0000000002500000-0x0000000002506000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | f1b0a009eb2c2de6827bebdb65603b1c |
| SHA1 | 1dc06afe6dd238939acb24c385a8af515066be8d |
| SHA256 | 589e17dfcbcab9292c00eb184febcb9a2d085efc7cfa3347af9d4e8fdf3c78f9 |
| SHA512 | 8221f4e6cd4698e13765e9288d2c31833a16b0745792793c22822a5b4100433382ca43142a18b6e30db211e50d035d5bab98e8f1235f74b2dcdc38434dd2a8cd |
memory/1964-17-0x0000000002ED0000-0x0000000002ED6000-memory.dmp
memory/1964-19-0x0000000002120000-0x0000000002126000-memory.dmp