Analysis Overview
SHA256
7c1b54c779bae89181ffca2fa3cef74e9cf19bf4b24b659376ee363a315b7990
Threat Level: Known bad
The file 2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Kinsing
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:43
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: behavioral2
Detonation Overview
Submitted
2024-01-25 17:43
Reported
2024-01-25 17:46
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Kinsing
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 |
Detection of Cryptolocker Samples
| 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 |
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_2441cba914fdde916ae4be2cf9d95207_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 4172 wrote to memory of 4864 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4172 wrote to memory of 4864 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4172 wrote to memory of 4864 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_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 | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4172-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4172-1-0x00000000007F0000-0x00000000007F6000-memory.dmp
memory/4172-2-0x00000000007F0000-0x00000000007F6000-memory.dmp
memory/4172-3-0x0000000000810000-0x0000000000816000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5be6551569e68f0649cf0dc356886a33 |
| SHA1 | 49c98ddf631730a92ff8c78b9e8ffa86d3fce8e4 |
| SHA256 | 1044672623ac90004bf1fbf3bd534cc76931f67e081928ab89aa67e4ad965d12 |
| SHA512 | 9c4d6b5e84f8a24938bb2b875dd29997a9770ac89c09a63cf3eabbe44bad623e04d126b9dd0411cef8034c93698f0d9a15564695cf740c0a337b72c089aa5ab1 |
memory/4172-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4864-19-0x0000000002100000-0x0000000002106000-memory.dmp
memory/4864-21-0x00000000004E0000-0x00000000004E6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 17:43
Reported
2024-01-25 17:46
Platform
win7-20231215-en
Max time kernel
149s
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 |
Detection of Cryptolocker Samples
| 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 |
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\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1996 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1996 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1996 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1996 wrote to memory of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2441cba914fdde916ae4be2cf9d95207_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 | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
Files
memory/1996-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1996-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1996-2-0x0000000000270000-0x0000000000276000-memory.dmp
memory/1996-3-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 5be6551569e68f0649cf0dc356886a33 |
| SHA1 | 49c98ddf631730a92ff8c78b9e8ffa86d3fce8e4 |
| SHA256 | 1044672623ac90004bf1fbf3bd534cc76931f67e081928ab89aa67e4ad965d12 |
| SHA512 | 9c4d6b5e84f8a24938bb2b875dd29997a9770ac89c09a63cf3eabbe44bad623e04d126b9dd0411cef8034c93698f0d9a15564695cf740c0a337b72c089aa5ab1 |
memory/1996-13-0x0000000002700000-0x000000000270B000-memory.dmp
memory/1996-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2124-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2124-19-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2124-26-0x00000000002D0000-0x00000000002D6000-memory.dmp