Analysis Overview
SHA256
38d54562bfc0911c7da587f8ce77bace6e873a2dde7e048a6aec38d3b0c34524
Threat Level: Known bad
The file 2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-09 07:33
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 |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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
2024-06-09 07:32
Reported
2024-06-09 07:37
Platform
win7-20240508-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 |
| 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 |
| 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\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | N/A |
UPX packed file
| 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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2460 wrote to memory of 1884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2460 wrote to memory of 1884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2460 wrote to memory of 1884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2460 wrote to memory of 1884 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_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 | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| 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 | 52.86.6.113:443 | emrlogistics.com | tcp |
Files
memory/2460-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2460-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2460-2-0x0000000000390000-0x0000000000396000-memory.dmp
memory/2460-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ec1eac9d402a6c4853321290a81ae641 |
| SHA1 | cd216df090423b82c2e208ccefcbd56235572b45 |
| SHA256 | 05a7ec8d490540d482a5ed0ab613ad2f912a9877e87da7834bbc8efc46536f47 |
| SHA512 | 513e38697e89689d6cc17b6bc1721b2bde7557b9d3701e34fb261f38876ab5f3084a4f15e7c6bd68a1d273aea25db45e01203188e607405cf7443867fa0c458c |
memory/2460-12-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/2460-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1884-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1884-19-0x0000000000470000-0x0000000000476000-memory.dmp
memory/1884-26-0x0000000000430000-0x0000000000436000-memory.dmp
memory/1884-27-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-09 07:32
Reported
2024-06-09 07:37
Platform
win10v2004-20240508-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 |
| 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 |
| 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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_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 |
UPX packed file
| 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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4400 wrote to memory of 2792 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4400 wrote to memory of 2792 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4400 wrote to memory of 2792 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9db34b4cee6971c03bf44f646ad3fa6b_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 | 97.17.167.52.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.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 | 11.227.111.52.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 |
Files
memory/4400-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/4400-1-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/4400-2-0x00000000007E0000-0x00000000007E6000-memory.dmp
memory/4400-9-0x00000000007B0000-0x00000000007B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ec1eac9d402a6c4853321290a81ae641 |
| SHA1 | cd216df090423b82c2e208ccefcbd56235572b45 |
| SHA256 | 05a7ec8d490540d482a5ed0ab613ad2f912a9877e87da7834bbc8efc46536f47 |
| SHA512 | 513e38697e89689d6cc17b6bc1721b2bde7557b9d3701e34fb261f38876ab5f3084a4f15e7c6bd68a1d273aea25db45e01203188e607405cf7443867fa0c458c |
memory/4400-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2792-18-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2792-20-0x0000000000660000-0x0000000000666000-memory.dmp
memory/2792-26-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2792-27-0x0000000000500000-0x000000000050F311-memory.dmp