Analysis Overview
SHA256
6b4d0297f89fed9fbbcce18072130616eec55344bfafd9a9b9168e13ad6c7569
Threat Level: Shows suspicious behavior
The file 2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
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
2024-11-10 06:28
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
2024-11-10 06:28
Reported
2024-11-10 06:30
Platform
win7-20241010-en
Max time kernel
149s
Max time network
153s
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\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_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\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_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 2100 wrote to memory of 1472 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2100 wrote to memory of 1472 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2100 wrote to memory of 1472 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2100 wrote to memory of 1472 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_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/2100-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2100-2-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/2100-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2100-1-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 03c053e14a58971709cdeffd99b0a9dd |
| SHA1 | b1c1d963d7e7ce392ad20b3eb927c3e223515d00 |
| SHA256 | 76fabf24920acbe1f8e22d775c3ba961f9118b2fe4c8594036d6579460908137 |
| SHA512 | 45331b2709905d64f1d0f30978980b6abb687ebe7d3f71d27cacef1e05ee3b7a6bb2321f82c9a901bd9048ffcc46b69b1de289cc719f261eaaeddb687e029aa3 |
memory/2100-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1472-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1472-18-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/1472-19-0x0000000000270000-0x0000000000276000-memory.dmp
memory/1472-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 06:28
Reported
2024-11-10 06:30
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_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\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_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 1636 wrote to memory of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1636 wrote to memory of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1636 wrote to memory of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_1e7b57dbe0f9997cb5e68087ecb1e6d6_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 | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| 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 | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | 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 |
Files
memory/1636-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1636-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/1636-2-0x0000000000520000-0x0000000000526000-memory.dmp
memory/1636-3-0x00000000006C0000-0x00000000006C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 03c053e14a58971709cdeffd99b0a9dd |
| SHA1 | b1c1d963d7e7ce392ad20b3eb927c3e223515d00 |
| SHA256 | 76fabf24920acbe1f8e22d775c3ba961f9118b2fe4c8594036d6579460908137 |
| SHA512 | 45331b2709905d64f1d0f30978980b6abb687ebe7d3f71d27cacef1e05ee3b7a6bb2321f82c9a901bd9048ffcc46b69b1de289cc719f261eaaeddb687e029aa3 |
memory/1636-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4420-19-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/4420-20-0x0000000002100000-0x0000000002106000-memory.dmp
memory/4420-26-0x0000000000500000-0x0000000000510000-memory.dmp