Analysis Overview
SHA256
263d4f4674ee6e57aa6818607da6c25a34011f61217e4ee281839f99b4139990
Threat Level: Known bad
The file 2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:29
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
2024-06-13 03:29
Reported
2024-06-13 03:32
Platform
win7-20240508-en
Max time kernel
144s
Max time network
148s
Command Line
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2216 wrote to memory of 492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 2216 wrote to memory of 492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 2216 wrote to memory of 492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 2216 wrote to memory of 492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
Files
memory/2216-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2216-1-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2216-8-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 563c92ac35c58f4b4a4dec93e0ee4dee |
| SHA1 | 9bce4b70d6d49e9b2f6db5fee6bee174b9303d5a |
| SHA256 | 25f039f7803f99add2738dbf15cca12940ca655adb6b0666d40043c88cd35abf |
| SHA512 | 4abe61cc8fd6a42adf1d253ffe112cc38fdb69c2a61c34c0937d55bcee5cc240e34b27cc7ef986a848c8ed971f19ce6abffa3c9d8e230d017b60745f395b178e |
memory/492-22-0x0000000000300000-0x0000000000306000-memory.dmp
memory/492-15-0x0000000000350000-0x0000000000356000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:29
Reported
2024-06-13 03:32
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 |
Detection of Cryptolocker Samples
| 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4364 wrote to memory of 2404 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 4364 wrote to memory of 2404 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 4364 wrote to memory of 2404 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3a0b8e671e48fe68c9bab4fc460b39f9_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | bestccc.com | udp |
Files
memory/4364-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4364-1-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/4364-8-0x00000000005A0000-0x00000000005A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 563c92ac35c58f4b4a4dec93e0ee4dee |
| SHA1 | 9bce4b70d6d49e9b2f6db5fee6bee174b9303d5a |
| SHA256 | 25f039f7803f99add2738dbf15cca12940ca655adb6b0666d40043c88cd35abf |
| SHA512 | 4abe61cc8fd6a42adf1d253ffe112cc38fdb69c2a61c34c0937d55bcee5cc240e34b27cc7ef986a848c8ed971f19ce6abffa3c9d8e230d017b60745f395b178e |
memory/2404-17-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2404-23-0x00000000004D0000-0x00000000004D6000-memory.dmp