Analysis Overview
SHA256
01a500567465741efd75fd199171896fc019f3245297d81fd47612c0c160c0af
Threat Level: Known bad
The file 2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 03:24
Signatures
Detection of CryptoLocker Variants
| 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
2024-06-11 03:24
Reported
2024-06-11 03:27
Platform
win7-20240221-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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\lossy.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1632 wrote to memory of 1680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1632 wrote to memory of 1680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1632 wrote to memory of 1680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1632 wrote to memory of 1680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_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/1632-0-0x0000000000320000-0x0000000000326000-memory.dmp
memory/1632-1-0x0000000000360000-0x0000000000366000-memory.dmp
memory/1632-8-0x0000000000320000-0x0000000000326000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 0bbdd1b5edcd9a7273756f727dd58bd2 |
| SHA1 | cb64ab7d70198489de116c35facae861cb50ba17 |
| SHA256 | 1fbeec4e108a6ade92840c3424fafc96e3536c8473f38526bf748dca971249e4 |
| SHA512 | aa2e6571fe9974e15674c69dcfa5e039e50864cb84e7edfb49ec9e70d39b1fcefdc8495e03251f8356dbfbca2f220aef584f520e748bd1a4eb6aebefac1de0c1 |
memory/1680-22-0x0000000000440000-0x0000000000446000-memory.dmp
memory/1680-15-0x0000000001C90000-0x0000000001C96000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 03:24
Reported
2024-06-11 03:27
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1324 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1324 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 1324 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0f5d26fe590ca4022a495311c0537c4d_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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 154.239.44.20.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | 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 | 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 | 6.160.77.104.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 | 14.227.111.52.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 | 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 | 2ndry.com | udp |
Files
memory/1324-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1324-8-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1324-1-0x0000000002060000-0x0000000002066000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | 0bbdd1b5edcd9a7273756f727dd58bd2 |
| SHA1 | cb64ab7d70198489de116c35facae861cb50ba17 |
| SHA256 | 1fbeec4e108a6ade92840c3424fafc96e3536c8473f38526bf748dca971249e4 |
| SHA512 | aa2e6571fe9974e15674c69dcfa5e039e50864cb84e7edfb49ec9e70d39b1fcefdc8495e03251f8356dbfbca2f220aef584f520e748bd1a4eb6aebefac1de0c1 |
memory/2352-17-0x0000000001FF0000-0x0000000001FF6000-memory.dmp
memory/2352-23-0x00000000005C0000-0x00000000005C6000-memory.dmp