Analysis Overview
SHA256
cbb35d71615c32dc48eac38bbe8351d00482248d6d36952379b86a2e557821d1
Threat Level: Shows suspicious behavior
The file 2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 18:42
Signatures
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
2024-11-09 18:42
Reported
2024-11-09 18:44
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3132 wrote to memory of 5008 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3132 wrote to memory of 5008 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3132 wrote to memory of 5008 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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 | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.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 |
| US | 8.8.8.8:53 | 90.65.42.20.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
Files
memory/3132-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3132-1-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/3132-2-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/3132-3-0x0000000002070000-0x0000000002076000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | c7c4d60df3a9ab023c16294f212ca70b |
| SHA1 | bd8ee0b3d26fd2e72e05c37aaa0c8be0c683906b |
| SHA256 | 61399ac7c973a8a0e3239d62d8282fdfd3e0e58586bb21d4a2035f9ce058cba2 |
| SHA512 | ccb0271c2ba3e5ed84c3a00233228aae5c75aa0d3b2d99d5d5fff6df4afd970eccdc2d0ccc1195e752accd4f4a9920111379318d304f5bee8c9ed90df2c79245 |
memory/3132-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/5008-20-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/5008-21-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/5008-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 18:42
Reported
2024-11-09 18:44
Platform
win7-20240903-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
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\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2756 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2756 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2756 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2756 wrote to memory of 2384 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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 | 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 |
| 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 | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/2756-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2756-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2756-2-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/2756-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | c7c4d60df3a9ab023c16294f212ca70b |
| SHA1 | bd8ee0b3d26fd2e72e05c37aaa0c8be0c683906b |
| SHA256 | 61399ac7c973a8a0e3239d62d8282fdfd3e0e58586bb21d4a2035f9ce058cba2 |
| SHA512 | ccb0271c2ba3e5ed84c3a00233228aae5c75aa0d3b2d99d5d5fff6df4afd970eccdc2d0ccc1195e752accd4f4a9920111379318d304f5bee8c9ed90df2c79245 |
memory/2756-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2384-18-0x0000000000610000-0x0000000000616000-memory.dmp
memory/2384-25-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2384-26-0x0000000000500000-0x0000000000510000-memory.dmp