Analysis Overview
SHA256
899a4974c90abc6497ba8c0166f6480694aa34b14819ea541d44ed55ae6cd829
Threat Level: Known bad
The file 2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 03:23
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
2024-06-11 03:23
Reported
2024-06-11 03:26
Platform
win7-20240508-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 |
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\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2240 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2240 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2240 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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/2240-8-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2240-1-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2240-0-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 86c9a6adf9e59e67df48074506eedf1d |
| SHA1 | c87df3d3a0568a6737b415e801a50369599043b1 |
| SHA256 | 9ec50356f75a83f776d1b5771f3cc3de99611ab6d98a43e0dc26765cecdf0fd9 |
| SHA512 | 2340d7f0a1fd7ee3a3ea7ab46aaeb6bb9b4c273372722294968909b4624ca51b8ed48d6c29571d5c9bf28f24b21213390ce97ac309882b70906b08108ee439f1 |
memory/2912-15-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2912-22-0x00000000001D0000-0x00000000001D6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 03:23
Reported
2024-06-11 03:26
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
155s
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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 2536 wrote to memory of 4980 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2536 wrote to memory of 4980 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2536 wrote to memory of 4980 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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 | 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/2536-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2536-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2536-8-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 86c9a6adf9e59e67df48074506eedf1d |
| SHA1 | c87df3d3a0568a6737b415e801a50369599043b1 |
| SHA256 | 9ec50356f75a83f776d1b5771f3cc3de99611ab6d98a43e0dc26765cecdf0fd9 |
| SHA512 | 2340d7f0a1fd7ee3a3ea7ab46aaeb6bb9b4c273372722294968909b4624ca51b8ed48d6c29571d5c9bf28f24b21213390ce97ac309882b70906b08108ee439f1 |
memory/4980-17-0x0000000002110000-0x0000000002116000-memory.dmp
memory/4980-23-0x0000000001FE0000-0x0000000001FE6000-memory.dmp