Analysis Overview
SHA256
e66008e42ee31205f3f37a7f2e506882b81f1c5b8f5f0a5871c0391f466bd2eb
Threat Level: Known bad
The file 2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 10:37
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
2024-06-03 10:37
Reported
2024-06-03 10:40
Platform
win7-20240215-en
Max time kernel
148s
Max time network
148s
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\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1804 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1804 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1804 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1804 wrote to memory of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_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 | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
Files
memory/1804-0-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1804-1-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1804-2-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1804-3-0x0000000000530000-0x0000000000536000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | da6af41a571a40bb4a62be7a3509e86d |
| SHA1 | 9a7805c38990bcbe2f90e27fa152ac78c6b3e94f |
| SHA256 | 709f8c0ae0e28ba86377a855da0dfe561803c1a035a49ab703600dd9cd997d27 |
| SHA512 | 7dedbf349b8bbe7880027bda9e49f335e6cee3005ece8771d11e6601be4c5f6d813528ad34297d64f68e3b37d99447e5d0017a777399012f3b102a6e4c03bed7 |
memory/1804-14-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3068-17-0x0000000000380000-0x0000000000386000-memory.dmp
memory/3068-24-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3068-25-0x00000000002C0000-0x00000000002C6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 10:37
Reported
2024-06-03 10:40
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
151s
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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_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 1324 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1324 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1324 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/1324-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1324-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/1324-2-0x0000000002090000-0x0000000002096000-memory.dmp
memory/1324-9-0x00000000006B0000-0x00000000006B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | da6af41a571a40bb4a62be7a3509e86d |
| SHA1 | 9a7805c38990bcbe2f90e27fa152ac78c6b3e94f |
| SHA256 | 709f8c0ae0e28ba86377a855da0dfe561803c1a035a49ab703600dd9cd997d27 |
| SHA512 | 7dedbf349b8bbe7880027bda9e49f335e6cee3005ece8771d11e6601be4c5f6d813528ad34297d64f68e3b37d99447e5d0017a777399012f3b102a6e4c03bed7 |
memory/1324-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2044-19-0x0000000000650000-0x0000000000656000-memory.dmp
memory/2044-25-0x0000000000630000-0x0000000000636000-memory.dmp
memory/2044-26-0x0000000000500000-0x000000000050B000-memory.dmp