Analysis Overview
SHA256
ea8ab4d80ccfc18556c307ee08d20250a3a766f64d62b804d3c1fecf9d63fa80
Threat Level: Known bad
The file 2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
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 03:27
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| 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
2024-06-13 03:27
Reported
2024-06-13 03:29
Platform
win7-20240221-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2336 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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 | 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 |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| 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/2336-1-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2336-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2336-8-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a576a8ed464cef54ddbdcfad1067b7ae |
| SHA1 | 90c276a2e2a147705b9c542e962ead5d4a888363 |
| SHA256 | b66665066fe771df4aa52df460a07659ee109c95a06ffe59cd7e7da39321ceef |
| SHA512 | d97fa62cab142bc8d9abf10c052cb287d7f6f5cc66f5b36ad49b9fc8c6db5f426b2d54805d6bf9fe2129f37680a549a5f6f621002f5df80f3567457808a69437 |
memory/2184-15-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2184-22-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:27
Reported
2024-06-13 03:29
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2980 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2980 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2980 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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 | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2980-0-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2980-1-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/2980-8-0x00000000006A0000-0x00000000006A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a576a8ed464cef54ddbdcfad1067b7ae |
| SHA1 | 90c276a2e2a147705b9c542e962ead5d4a888363 |
| SHA256 | b66665066fe771df4aa52df460a07659ee109c95a06ffe59cd7e7da39321ceef |
| SHA512 | d97fa62cab142bc8d9abf10c052cb287d7f6f5cc66f5b36ad49b9fc8c6db5f426b2d54805d6bf9fe2129f37680a549a5f6f621002f5df80f3567457808a69437 |
memory/2492-17-0x0000000000760000-0x0000000000766000-memory.dmp
memory/2492-23-0x0000000000740000-0x0000000000746000-memory.dmp