Analysis Overview
SHA256
c365d17190647945354022a0c1f0c5d40eb19b2cbaf6fef9ab0416a3bf970520
Threat Level: Known bad
The file 2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-06 21:35
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 21:35
Reported
2024-06-06 21:38
Platform
win7-20240220-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 |
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\asih.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2552 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2552 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2552 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2552 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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 | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
Files
memory/2552-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2552-1-0x0000000000600000-0x0000000000606000-memory.dmp
memory/2552-8-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | c527848bc9ff1d2176f283cd1af9ca39 |
| SHA1 | c4467d8c4629874b4454b4fa402c2784be3e8af6 |
| SHA256 | 37dfb0d35c94f79a5f0a09cdec1296699e6aff56d9c48fa0df32cb623d675b1a |
| SHA512 | 7857ed2d5f65828d32e07ec486a080fad84cd2d764f3f02e93898abe48819a09ca50c2010be918ee4e8d1c5b2ba5faa076ba2a7685485814dcee3ddf9fdf1f0c |
memory/2572-15-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2572-22-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 21:35
Reported
2024-06-06 21:38
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 |
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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 4432 wrote to memory of 3900 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4432 wrote to memory of 3900 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4432 wrote to memory of 3900 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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 | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| BE | 88.221.83.249:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 249.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.251.17.2.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 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | 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/4432-0-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4432-1-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4432-8-0x00000000006A0000-0x00000000006A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | c527848bc9ff1d2176f283cd1af9ca39 |
| SHA1 | c4467d8c4629874b4454b4fa402c2784be3e8af6 |
| SHA256 | 37dfb0d35c94f79a5f0a09cdec1296699e6aff56d9c48fa0df32cb623d675b1a |
| SHA512 | 7857ed2d5f65828d32e07ec486a080fad84cd2d764f3f02e93898abe48819a09ca50c2010be918ee4e8d1c5b2ba5faa076ba2a7685485814dcee3ddf9fdf1f0c |
memory/3900-17-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3900-23-0x00000000005A0000-0x00000000005A6000-memory.dmp