Analysis Overview
SHA256
325d5d71d46e770dc4a7f29385707e8639899ec2c141165f2bc2a92f948e0b6e
Threat Level: Known bad
The file 2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
UPX packed file
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
2024-06-11 01:15
Signatures
Detection of CryptoLocker Variants
| 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
2024-06-11 01:15
Reported
2024-06-11 01:18
Platform
win7-20240508-en
Max time kernel
147s
Max time network
149s
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 |
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\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_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 1660 wrote to memory of 2368 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1660 wrote to memory of 2368 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1660 wrote to memory of 2368 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1660 wrote to memory of 2368 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_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/1660-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1660-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1660-2-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1660-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | b71e30ee47624a6b12bf395af03d480c |
| SHA1 | 3b5ff85d6dcb6e9a09d05ceda68561477693677c |
| SHA256 | 45eabb473c1dfd56b8c02bd60177d475cd403d5d63e8dff9dd2794abc9bb94ad |
| SHA512 | a91a2d088e308fa538c27d764f7b2cabf8389912ac468b31bd7c1025c99dec3d01b5362f29a167dbf637740badc7b60b05d81b444977b4f3277367a771cde4d8 |
memory/1660-13-0x0000000002740000-0x000000000274F000-memory.dmp
memory/2368-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1660-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2368-20-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2368-27-0x0000000000430000-0x0000000000436000-memory.dmp
memory/2368-28-0x0000000000500000-0x000000000050F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 01:15
Reported
2024-06-11 01:18
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
156s
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 |
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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_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 4576 wrote to memory of 400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4576 wrote to memory of 400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4576 wrote to memory of 400 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_b408293ae4f662d45be20e4c9b16a66c_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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 56.110.63.41.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | 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 |
Files
memory/4576-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4576-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4576-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4576-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | b71e30ee47624a6b12bf395af03d480c |
| SHA1 | 3b5ff85d6dcb6e9a09d05ceda68561477693677c |
| SHA256 | 45eabb473c1dfd56b8c02bd60177d475cd403d5d63e8dff9dd2794abc9bb94ad |
| SHA512 | a91a2d088e308fa538c27d764f7b2cabf8389912ac468b31bd7c1025c99dec3d01b5362f29a167dbf637740badc7b60b05d81b444977b4f3277367a771cde4d8 |
memory/400-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4576-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/400-20-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/400-26-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/400-27-0x0000000000500000-0x000000000050F000-memory.dmp