Analysis Overview
SHA256
7d8f4596fe96d608318d9f3c49edc85055f6eb26e46c538d6dc0b8765f715d9a
Threat Level: Shows suspicious behavior
The file 2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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 18:35
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: behavioral1
Detonation Overview
Submitted
2024-11-09 18:35
Reported
2024-11-09 18:38
Platform
win7-20241010-en
Max time kernel
148s
Max time network
152s
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_77281728af69a91d69f3adcb3dbf7cfd_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
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_77281728af69a91d69f3adcb3dbf7cfd_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 2792 wrote to memory of 780 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2792 wrote to memory of 780 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2792 wrote to memory of 780 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2792 wrote to memory of 780 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_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 | 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 |
Files
memory/2792-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2792-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2792-2-0x0000000000370000-0x0000000000376000-memory.dmp
memory/2792-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2792-15-0x0000000000500000-0x0000000000510000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | f6d13c957bdc1a942dae24b7634c54b5 |
| SHA1 | cbd5180d6db8118cf4648e91ddc4900cd565ac4b |
| SHA256 | 45fa7a2ddbf553006dc2175bd832cc6fbf7a907392660573509eafded2ee4f92 |
| SHA512 | 3199283c9478e93cc3aa545f463f54a515bd4a1772153930cd3dfe2a843e63c625132662ca7a7fff425963063d2641055487d516c95baf29ffef3299ff63faf7 |
memory/780-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/780-19-0x00000000002F0000-0x00000000002F6000-memory.dmp
memory/780-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 18:35
Reported
2024-11-09 18:38
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_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_77281728af69a91d69f3adcb3dbf7cfd_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 2612 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2612 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2612 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_77281728af69a91d69f3adcb3dbf7cfd_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 | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.208.201.84.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 67.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
Files
memory/2612-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2612-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/2612-2-0x0000000002280000-0x0000000002286000-memory.dmp
memory/2612-3-0x0000000002190000-0x0000000002196000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | f6d13c957bdc1a942dae24b7634c54b5 |
| SHA1 | cbd5180d6db8118cf4648e91ddc4900cd565ac4b |
| SHA256 | 45fa7a2ddbf553006dc2175bd832cc6fbf7a907392660573509eafded2ee4f92 |
| SHA512 | 3199283c9478e93cc3aa545f463f54a515bd4a1772153930cd3dfe2a843e63c625132662ca7a7fff425963063d2641055487d516c95baf29ffef3299ff63faf7 |
memory/2612-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2292-25-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2292-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2292-26-0x0000000000500000-0x0000000000510000-memory.dmp