Analysis Overview
SHA256
a271790dcfcaed3d78124ca874c61fbf2b9a729f701199be1dbeab514cdfe2d4
Threat Level: Shows suspicious behavior
The file 2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 07:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 07:04
Reported
2024-08-25 07:07
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.exe | 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_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\lossy.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4180 wrote to memory of 4532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 4180 wrote to memory of 4532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 4180 wrote to memory of 4532 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| 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 | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/4180-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4180-1-0x0000000002180000-0x0000000002186000-memory.dmp
memory/4180-2-0x0000000002180000-0x0000000002186000-memory.dmp
memory/4180-3-0x00000000021A0000-0x00000000021A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | c79c804c9180629bf5cef032dda5b526 |
| SHA1 | c717c7bcd2c62e78e7f8cb098754e2bfafc54731 |
| SHA256 | e25a28cef60f5184b3ba4c64cf159bef876f4f7313b8a1c9cc2bfbe942928d31 |
| SHA512 | 442bf2266773a6cec8d4ea460c276c115e98dc761aa6283d87cccd0858cbe3e2189ef3ca6d925ab9186356b625d8d84aaa52538e9de5d09678f155212972c211 |
memory/4180-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4532-25-0x0000000001FC0000-0x0000000001FC6000-memory.dmp
memory/4532-19-0x0000000001FE0000-0x0000000001FE6000-memory.dmp
memory/4532-26-0x0000000008000000-0x000000000800A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 07:04
Reported
2024-08-25 07:06
Platform
win7-20240705-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | 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\lossy.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2972 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2972 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2972 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2972 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_e69aab1ac7b3fbc5f284b646c1ffbab8_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/2972-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2972-1-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2972-8-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2972-2-0x00000000004B0000-0x00000000004B6000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | c79c804c9180629bf5cef032dda5b526 |
| SHA1 | c717c7bcd2c62e78e7f8cb098754e2bfafc54731 |
| SHA256 | e25a28cef60f5184b3ba4c64cf159bef876f4f7313b8a1c9cc2bfbe942928d31 |
| SHA512 | 442bf2266773a6cec8d4ea460c276c115e98dc761aa6283d87cccd0858cbe3e2189ef3ca6d925ab9186356b625d8d84aaa52538e9de5d09678f155212972c211 |
memory/2972-15-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2068-24-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2068-17-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2068-25-0x0000000008000000-0x000000000800A000-memory.dmp