Analysis Overview
SHA256
f8c124c9359304a07cadf151087d125be91c9f44def0596b6bab7a79719f7fbd
Threat Level: Known bad
The file 2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 02:30
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 02:30
Reported
2024-06-11 02:33
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 |
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_6b58f9f66d844179fad64670891d9f65_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 3700 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3700 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3700 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_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 | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| 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 | 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 | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/3700-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3700-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/3700-2-0x0000000002080000-0x0000000002086000-memory.dmp
memory/3700-9-0x00000000006B0000-0x00000000006B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 9ed914be6690d0b17ff85530527b4275 |
| SHA1 | e467d7e5e631678337b16cab794b1793747f3bd0 |
| SHA256 | 506d7ce8581058daff2c1d2bf9c503a97b920fd8a2d09c732ef776c448381b54 |
| SHA512 | f72a7ac577f4be06289c7937ea066ec6bfc1417be792913f104b8c67c222789ee14a38aedff73f2ae2e22a216480da673df382b4949dceb2eded5dc7b95513ee |
memory/3700-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2836-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2836-26-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2836-20-0x0000000000860000-0x0000000000866000-memory.dmp
memory/2836-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 02:30
Reported
2024-06-11 02:33
Platform
win7-20240419-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 |
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 |
| 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_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2176 wrote to memory of 1648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2176 wrote to memory of 1648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2176 wrote to memory of 1648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2176 wrote to memory of 1648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6b58f9f66d844179fad64670891d9f65_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/2176-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2176-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2176-2-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2176-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 9ed914be6690d0b17ff85530527b4275 |
| SHA1 | e467d7e5e631678337b16cab794b1793747f3bd0 |
| SHA256 | 506d7ce8581058daff2c1d2bf9c503a97b920fd8a2d09c732ef776c448381b54 |
| SHA512 | f72a7ac577f4be06289c7937ea066ec6bfc1417be792913f104b8c67c222789ee14a38aedff73f2ae2e22a216480da673df382b4949dceb2eded5dc7b95513ee |
memory/2176-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1648-26-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1648-25-0x0000000000320000-0x0000000000326000-memory.dmp
memory/1648-18-0x0000000000460000-0x0000000000466000-memory.dmp