Analysis Overview
SHA256
8521112533495e1fb35738114dbe3e8e522f7001a5d776afa3512fbec3dab260
Threat Level: Known bad
The file 2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
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
2024-06-13 03:44
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| 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
2024-06-13 03:44
Reported
2024-06-13 03:47
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
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 |
UPX dump on OEP (original entry point)
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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 2380 wrote to memory of 5108 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2380 wrote to memory of 5108 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2380 wrote to memory of 5108 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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 | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2380-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2380-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2380-2-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2380-9-0x00000000006A0000-0x00000000006A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 587650c286d4dd9717bdd98c25703b5a |
| SHA1 | 32af96a515444a18ffdb3ff9aa2559465939d92c |
| SHA256 | 71dfdc81004e727c4a40a09a7a43756481635a2c4bd64564e9c4ec4bea736b31 |
| SHA512 | ad0a40e6ad65172c2828ac61685f38b23d6a961171e1570859be96f6dd29a081c4f3ef058538c0bda2077e9e0699f143ea2ec038f7cda2f8095c2d0b24298acd |
memory/5108-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2380-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/5108-20-0x0000000002110000-0x0000000002116000-memory.dmp
memory/5108-26-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/5108-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:44
Reported
2024-06-13 03:47
Platform
win7-20240611-en
Max time kernel
148s
Max time network
149s
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 |
| 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 |
UPX dump on OEP (original entry point)
| 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 |
| 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\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2872 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2872 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2872 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2872 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/2872-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2872-1-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2872-2-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2872-3-0x0000000000460000-0x0000000000466000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 587650c286d4dd9717bdd98c25703b5a |
| SHA1 | 32af96a515444a18ffdb3ff9aa2559465939d92c |
| SHA256 | 71dfdc81004e727c4a40a09a7a43756481635a2c4bd64564e9c4ec4bea736b31 |
| SHA512 | ad0a40e6ad65172c2828ac61685f38b23d6a961171e1570859be96f6dd29a081c4f3ef058538c0bda2077e9e0699f143ea2ec038f7cda2f8095c2d0b24298acd |
memory/2872-12-0x0000000000630000-0x0000000000640000-memory.dmp
memory/2872-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1872-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1872-27-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1872-28-0x0000000000500000-0x0000000000510000-memory.dmp