Analysis Overview
SHA256
c67dea1afa7f3d432a629c774762881ec1d83d118446ce5fc623102e93e93ea8
Threat Level: Known bad
The file 2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Executes dropped EXE
UPX packed file
Checks computer location settings
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 01:18
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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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 |
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 01:18
Reported
2024-06-11 01:21
Platform
win10v2004-20240426-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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_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 3408 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3408 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3408 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_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 | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.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 | 172.210.232.199.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 | 23.236.111.52.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/3408-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3408-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3408-2-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3408-3-0x0000000000670000-0x0000000000676000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | f08b7c3e6c36d44ffef46bf2eff2c42e |
| SHA1 | fcd5f4252e88d3e8c75208f799b47671aff45b6b |
| SHA256 | 8ac5fe0aeb16d569f6cfa127e15c2a80d0706eb3e948ad984010748514063591 |
| SHA512 | b9bbf5e59c1ba9213b934ba5949463c47c7ca64e49dd3a33fb7a8447c918bcc93aa0e253de34d3389ea1e30e0812e1ea16a256f9cd7299c3e0ed7e6eb6ec51c1 |
memory/3408-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/5000-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/5000-20-0x0000000002110000-0x0000000002116000-memory.dmp
memory/5000-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 01:18
Reported
2024-06-11 01:21
Platform
win7-20240221-en
Max time kernel
148s
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 |
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 |
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_bbb707cda5d93d596ae50e1c1ba4f47d_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2524 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2524 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2524 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2524 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_bbb707cda5d93d596ae50e1c1ba4f47d_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 | 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 |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/2524-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2524-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2524-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2524-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | f08b7c3e6c36d44ffef46bf2eff2c42e |
| SHA1 | fcd5f4252e88d3e8c75208f799b47671aff45b6b |
| SHA256 | 8ac5fe0aeb16d569f6cfa127e15c2a80d0706eb3e948ad984010748514063591 |
| SHA512 | b9bbf5e59c1ba9213b934ba5949463c47c7ca64e49dd3a33fb7a8447c918bcc93aa0e253de34d3389ea1e30e0812e1ea16a256f9cd7299c3e0ed7e6eb6ec51c1 |
memory/2308-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2524-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2308-26-0x0000000000370000-0x0000000000376000-memory.dmp
memory/2308-19-0x00000000004B0000-0x00000000004B6000-memory.dmp
memory/2308-27-0x0000000000500000-0x0000000000510000-memory.dmp