Analysis Overview
SHA256
080dcc93111a9aae10255f9d459556f588c631758196e9d8fc3580d7da9d02a8
Threat Level: Known bad
The file 2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Kinsing
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
2024-01-25 17:38
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 17:38
Reported
2024-01-25 17:41
Platform
win7-20231215-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\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2420 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2420 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2420 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2420 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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 | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
Files
memory/2420-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2420-1-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2420-7-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a8c23f4349e6eada928b74d22e3c1730 |
| SHA1 | 948e5eec3a35e27bcf98ebf5b1bf40bebfdb98ef |
| SHA256 | d488443db82fe8f77bc17129e34d12e861d788d75de02f817ad9cf656e3cbf11 |
| SHA512 | 469eee290591456a37f6d7ab768961326da960f1834b7dfd2e8d8463756248dd331fabdf543af4553b391cc36c4a65e428392c19cd16ebd5d407ea645bc3c571 |
memory/2248-15-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2248-17-0x00000000002C0000-0x00000000002C6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:38
Reported
2024-01-25 17:41
Platform
win10v2004-20231222-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Kinsing
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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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 4652 wrote to memory of 768 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4652 wrote to memory of 768 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4652 wrote to memory of 768 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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 | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/4652-0-0x0000000000620000-0x0000000000626000-memory.dmp
memory/4652-1-0x0000000000620000-0x0000000000626000-memory.dmp
memory/4652-2-0x0000000000750000-0x0000000000756000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a8c23f4349e6eada928b74d22e3c1730 |
| SHA1 | 948e5eec3a35e27bcf98ebf5b1bf40bebfdb98ef |
| SHA256 | d488443db82fe8f77bc17129e34d12e861d788d75de02f817ad9cf656e3cbf11 |
| SHA512 | 469eee290591456a37f6d7ab768961326da960f1834b7dfd2e8d8463756248dd331fabdf543af4553b391cc36c4a65e428392c19cd16ebd5d407ea645bc3c571 |
memory/768-23-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/768-17-0x00000000006C0000-0x00000000006C6000-memory.dmp