Analysis Overview
SHA256
7a38f22482a796d0592e8ecd2dd85848ddd8a461abf8fa8322182ec45660e56d
Threat Level: Known bad
The file 2024-06-13_088c813a9e7e23de2397100e15dfc07b_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
Enumerates physical storage devices
Unsigned PE
Modifies system certificate store
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:23
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
2024-06-13 03:23
Reported
2024-06-13 03:25
Platform
win7-20240221-en
Max time kernel
117s
Max time network
118s
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\pissa.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | N/A |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 | C:\Users\Admin\AppData\Local\Temp\pissa.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\pissa.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1984 wrote to memory of 2936 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 1984 wrote to memory of 2936 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 1984 wrote to memory of 2936 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 1984 wrote to memory of 2936 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\pissa.exe
"C:\Users\Admin\AppData\Local\Temp\pissa.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| HK | 154.215.77.110:443 | el-padrino.com | tcp |
Files
memory/1984-0-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1984-1-0x0000000000580000-0x0000000000586000-memory.dmp
memory/1984-8-0x0000000000290000-0x0000000000296000-memory.dmp
\Users\Admin\AppData\Local\Temp\pissa.exe
| MD5 | 472b18195c558285aeba9ef5de876039 |
| SHA1 | ad25d71dbe52eb50b8e6596b3d426bf943990348 |
| SHA256 | 783df432f690104184732ee7224c0e42c272087025bebc39547b8902c21dc950 |
| SHA512 | 3b90f9101cc7efb3ec9a5b24fe3119b7ca697aaec04ceb44e5085c328c003b996dde56f4eb23014cd329d4e3adc57d0bf3ac59bfd0e95b3074c18aa21dcb3f57 |
memory/2936-15-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/2936-22-0x00000000004B0000-0x00000000004B6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:23
Reported
2024-06-13 03:25
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\pissa.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4716 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 4716 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 4716 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\pissa.exe
"C:\Users\Admin\AppData\Local\Temp\pissa.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
| US | 8.8.8.8:53 | el-padrino.com | udp |
Files
memory/4716-0-0x0000000000640000-0x0000000000646000-memory.dmp
memory/4716-1-0x0000000002190000-0x0000000002196000-memory.dmp
memory/4716-8-0x0000000000640000-0x0000000000646000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pissa.exe
| MD5 | 472b18195c558285aeba9ef5de876039 |
| SHA1 | ad25d71dbe52eb50b8e6596b3d426bf943990348 |
| SHA256 | 783df432f690104184732ee7224c0e42c272087025bebc39547b8902c21dc950 |
| SHA512 | 3b90f9101cc7efb3ec9a5b24fe3119b7ca697aaec04ceb44e5085c328c003b996dde56f4eb23014cd329d4e3adc57d0bf3ac59bfd0e95b3074c18aa21dcb3f57 |
memory/3744-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/3744-23-0x0000000002120000-0x0000000002126000-memory.dmp