Analysis Overview
SHA256
ec352504445399f23945ff354713529f38267c6f7acf78970b120fb322f46454
Threat Level: Known bad
The file 2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 22:29
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
2024-06-02 22:29
Reported
2024-06-02 22:32
Platform
win7-20240508-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 |
| 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 |
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\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2020 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2020 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2020 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2020 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_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/2020-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2020-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2020-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2020-2-0x0000000000210000-0x0000000000216000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 48aad15686d327a056e364bd017840ed |
| SHA1 | 972a96495adcca5801d83be5c9e18bce974f94fa |
| SHA256 | 2250234a3aa2347ea5e0c12eff8af7a02aa65a1f72b8db590b48981dbe75dba3 |
| SHA512 | 89fb4b83b36f5c740da401b233f1ff2dc06a0074b63b15b4fcb4e3b2865aa981a4947c59d110232799afdf1d6fac23aeea14dc46bb4dfa37db32d6df0fd0b657 |
memory/2020-15-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2020-14-0x0000000001E60000-0x0000000001E6F000-memory.dmp
memory/2884-18-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2884-25-0x00000000001E0000-0x00000000001E6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 22:29
Reported
2024-06-02 22:32
Platform
win10v2004-20240426-en
Max time kernel
148s
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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_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 624 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 624 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 624 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.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 |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.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 |
Files
memory/624-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/624-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/624-2-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/624-9-0x0000000000630000-0x0000000000636000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 48aad15686d327a056e364bd017840ed |
| SHA1 | 972a96495adcca5801d83be5c9e18bce974f94fa |
| SHA256 | 2250234a3aa2347ea5e0c12eff8af7a02aa65a1f72b8db590b48981dbe75dba3 |
| SHA512 | 89fb4b83b36f5c740da401b233f1ff2dc06a0074b63b15b4fcb4e3b2865aa981a4947c59d110232799afdf1d6fac23aeea14dc46bb4dfa37db32d6df0fd0b657 |
memory/624-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3972-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3972-20-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/3972-26-0x00000000006A0000-0x00000000006A6000-memory.dmp