Analysis Overview
SHA256
a4d9c2f415ec9444198d95e45f6fc0245b326902e587ab0e5e86a5b561dea843
Threat Level: Known bad
The file 2024-06-13_3f588dacc2c029080322321f740dd773_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
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:30
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
2024-06-13 03:30
Reported
2024-06-13 03:33
Platform
win7-20240419-en
Max time kernel
148s
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 |
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 |
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_3f588dacc2c029080322321f740dd773_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2288 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2288 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2288 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2288 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_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 | 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/2288-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2288-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2288-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2288-3-0x0000000000460000-0x0000000000466000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 648ce43a2a7f64bbdb288da5ef19ba22 |
| SHA1 | 130bcf79a11a83f77cb59f30451a0e3f39c20cd7 |
| SHA256 | 25df2892bbad327db5a1adf6566254f92895e625bb08b3eac7c872ca2349629b |
| SHA512 | 16bdf3b70827115940ba6bc2e96d309b03f1f1a3d621b15e8c477fd090ba6eafa3172001dd45f35a833fb076d9e45362ee21126c99163d76e676b528b24df1ca |
memory/2288-15-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2148-24-0x0000000000320000-0x0000000000326000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:30
Reported
2024-06-13 03:33
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 |
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_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 3772 wrote to memory of 3008 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3772 wrote to memory of 3008 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3772 wrote to memory of 3008 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3f588dacc2c029080322321f740dd773_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 | 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/3772-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3772-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/3772-2-0x0000000002100000-0x0000000002106000-memory.dmp
memory/3772-9-0x00000000006B0000-0x00000000006B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 648ce43a2a7f64bbdb288da5ef19ba22 |
| SHA1 | 130bcf79a11a83f77cb59f30451a0e3f39c20cd7 |
| SHA256 | 25df2892bbad327db5a1adf6566254f92895e625bb08b3eac7c872ca2349629b |
| SHA512 | 16bdf3b70827115940ba6bc2e96d309b03f1f1a3d621b15e8c477fd090ba6eafa3172001dd45f35a833fb076d9e45362ee21126c99163d76e676b528b24df1ca |
memory/3008-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3008-19-0x0000000002000000-0x0000000002006000-memory.dmp
memory/3772-25-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3008-26-0x0000000000660000-0x0000000000666000-memory.dmp