Analysis Overview
SHA256
1593884d23d28fd36e798c5d773c33d50f4af77dfa72d2d6ff7607e6624e1a16
Threat Level: Shows suspicious behavior
The file 2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
UPX packed file
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 06:56
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 06:56
Reported
2024-08-25 06:59
Platform
win7-20240708-en
Max time kernel
148s
Max time network
149s
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\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_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\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_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 2648 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2648 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2648 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2648 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_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/2648-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2648-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2648-9-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2648-1-0x0000000000420000-0x0000000000426000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 30af4d342497b305293068ff3ccfc213 |
| SHA1 | d634ba6628eec4bc55e2bda5cb5c8dcbe190dc35 |
| SHA256 | daadd5281c9055ef2ff171b858ff1a0216b08a09569db12e7eaad629e84c2fbc |
| SHA512 | f272b5193a2a496dd9eb15e269f1923a289b98e72ba459da22d4806020b30ca7366efd9feee973667ee599466a45cea7f4ebde3b7c63810a7ce885e7aa5d81c9 |
memory/2648-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2648-14-0x0000000000640000-0x0000000000650000-memory.dmp
memory/2836-18-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2836-25-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2836-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 06:56
Reported
2024-08-25 06:59
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_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\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_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 4388 wrote to memory of 3348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4388 wrote to memory of 3348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4388 wrote to memory of 3348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4388-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4388-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4388-2-0x0000000000590000-0x0000000000596000-memory.dmp
memory/4388-3-0x00000000005B0000-0x00000000005B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 30af4d342497b305293068ff3ccfc213 |
| SHA1 | d634ba6628eec4bc55e2bda5cb5c8dcbe190dc35 |
| SHA256 | daadd5281c9055ef2ff171b858ff1a0216b08a09569db12e7eaad629e84c2fbc |
| SHA512 | f272b5193a2a496dd9eb15e269f1923a289b98e72ba459da22d4806020b30ca7366efd9feee973667ee599466a45cea7f4ebde3b7c63810a7ce885e7aa5d81c9 |
memory/4388-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3348-19-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3348-25-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/3348-26-0x0000000000500000-0x0000000000510000-memory.dmp