Analysis Overview
SHA256
340f99b70a640549c7d022ab222d7d4d1b49dfb4597ac26fa97aaa309a3a7038
Threat Level: Known bad
The file 2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies system certificate store
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 04:47
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: behavioral2
Detonation Overview
Submitted
2024-06-02 04:47
Reported
2024-06-02 04:50
Platform
win10v2004-20240426-en
Max time kernel
93s
Max time network
125s
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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\pissa.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 2896 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 2896 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 2896 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_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 |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 110.77.215.154.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.97.55.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.101.63.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
Files
memory/2896-0-0x0000000002350000-0x0000000002356000-memory.dmp
memory/2896-8-0x0000000002350000-0x0000000002356000-memory.dmp
memory/2896-1-0x00000000023C0000-0x00000000023C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pissa.exe
| MD5 | f8527a505992a443719422618426cb3b |
| SHA1 | 087599375d4d3c4cbe135c48f83e6fc31228e5a2 |
| SHA256 | ffc9014cd2bbc2aa252ae46f65a1e820664fd2d64d0aa8185a414863354ad5e0 |
| SHA512 | 0624eee51738b318f35104059068af81afc912bfe0af491013bdb6ba7464c1a0ff55e746cd16b10136fd7cd38607f0a9a0b6b1ff5d81bfb9581f391db7372636 |
memory/4956-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4956-23-0x0000000002D60000-0x0000000002D66000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pissec.exe
| MD5 | 11bed1c06d8f4680de5154405be20365 |
| SHA1 | 9c3095f1aa0b02924c23592d1e86673bb0081ca1 |
| SHA256 | bcc0582f122db6e61d2aa06628275f5b882c01ca037699427d0f68e48d744666 |
| SHA512 | 050bb38ff33ab7e8e8aa647cffb26d2b0a54074340e79f0acf0db8f076c421505f1e4c1ce169d55aeacd4085ce258a78d24327c9393650642963beb130517da8 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-02 04:47
Reported
2024-06-02 04:50
Platform
win7-20240508-en
Max time kernel
119s
Max time network
124s
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\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_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 1872 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 1872 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 1872 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
| PID 1872 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\pissa.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_e43ba61d976c332eb7b89c61e81aaa0d_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/1872-0-0x0000000000380000-0x0000000000386000-memory.dmp
memory/1872-1-0x0000000000390000-0x0000000000396000-memory.dmp
memory/1872-8-0x0000000000380000-0x0000000000386000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pissa.exe
| MD5 | f8527a505992a443719422618426cb3b |
| SHA1 | 087599375d4d3c4cbe135c48f83e6fc31228e5a2 |
| SHA256 | ffc9014cd2bbc2aa252ae46f65a1e820664fd2d64d0aa8185a414863354ad5e0 |
| SHA512 | 0624eee51738b318f35104059068af81afc912bfe0af491013bdb6ba7464c1a0ff55e746cd16b10136fd7cd38607f0a9a0b6b1ff5d81bfb9581f391db7372636 |
memory/2880-15-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/2880-22-0x00000000002A0000-0x00000000002A6000-memory.dmp