Analysis Overview
SHA256
72d693fdc25d25429a7084db88db2603b304fbf95cc126c905fd3236b8e71713
Threat Level: Known bad
The file 2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
UPX packed file
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 02:52
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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
2024-06-13 02:52
Reported
2024-06-13 02:55
Platform
win7-20240221-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 |
| 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 |
Detection of Cryptolocker Samples
| 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 |
UPX dump on OEP (original entry point)
| 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 |
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\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_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 | 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 |
Files
memory/2336-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2336-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2336-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2336-2-0x0000000000470000-0x0000000000476000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 01d9df4c038d2466afb8cce788b114ee |
| SHA1 | 3f6c96883a43aa575496740f111eb40bc8334c9b |
| SHA256 | 8b2f7229887fdb9323b65b9287f76b2c7ebae917f4de5d7fc9cceff864702b8c |
| SHA512 | 99e70a788e5f7fc487f62191addf9fcc8ffe406c1edd2f462a592f7d141a3dc76df97d89c520aed54c7558cec2ea51fbb64f6265737a397761289fc2f1e1e7e6 |
memory/2336-15-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2180-16-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2180-18-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2180-25-0x0000000000500000-0x000000000050F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 02:52
Reported
2024-06-13 02:55
Platform
win10v2004-20240611-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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 |
Detection of Cryptolocker Samples
| 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 |
UPX dump on OEP (original entry point)
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1544 wrote to memory of 3348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1544 wrote to memory of 3348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1544 wrote to memory of 3348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_6a809ffecf50e550d89f100a6aefbe42_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 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | 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 |
Files
memory/1544-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1544-1-0x0000000001F50000-0x0000000001F56000-memory.dmp
memory/1544-8-0x0000000001F50000-0x0000000001F56000-memory.dmp
memory/1544-2-0x0000000001F70000-0x0000000001F76000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 01d9df4c038d2466afb8cce788b114ee |
| SHA1 | 3f6c96883a43aa575496740f111eb40bc8334c9b |
| SHA256 | 8b2f7229887fdb9323b65b9287f76b2c7ebae917f4de5d7fc9cceff864702b8c |
| SHA512 | 99e70a788e5f7fc487f62191addf9fcc8ffe406c1edd2f462a592f7d141a3dc76df97d89c520aed54c7558cec2ea51fbb64f6265737a397761289fc2f1e1e7e6 |
memory/1544-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3348-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3348-25-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3348-26-0x0000000000500000-0x000000000050F000-memory.dmp