Analysis Overview
SHA256
3b13956e01f32ecaaefabaa2c17c4b3be4d47299f1f84fc1dd810eb52b3f60d2
Threat Level: Known bad
The file 2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil was found to be: Known bad.
Malicious Activity Summary
Detects executables manipulated with Fody
Drops file in Drivers directory
Executes dropped EXE
Drops desktop.ini file(s)
Checks installed software on the system
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-28 01:03
Signatures
Detects executables manipulated with Fody
| 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
2024-05-28 01:03
Reported
2024-05-28 01:06
Platform
win7-20240508-en
Max time kernel
119s
Max time network
119s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe | N/A |
Checks installed software on the system
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe |
| PID 2848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe |
| PID 2848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe |
| PID 2848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe"
C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe
"C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe" --01
Network
Files
memory/2848-0-0x000007FEF616E000-0x000007FEF616F000-memory.dmp
memory/2848-1-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp
memory/2848-2-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp
memory/2848-3-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp
memory/2848-4-0x000000001B420000-0x000000001B44E000-memory.dmp
memory/2848-5-0x00000000005F0000-0x00000000005FA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe
| MD5 | 02e6bf47f5315e8da515ccae63f58a6e |
| SHA1 | 3469eec2964080610b188eceabc216a5f0244d2b |
| SHA256 | aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517 |
| SHA512 | 949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031 |
memory/2848-12-0x00000000002E0000-0x00000000002F0000-memory.dmp
memory/2848-13-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-28 01:03
Reported
2024-05-28 01:06
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe | N/A |
Checks installed software on the system
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4592 wrote to memory of 1524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe |
| PID 4592 wrote to memory of 1524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe |
| PID 4592 wrote to memory of 1524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe | C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe"
C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe
"C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe" --01
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.173.189.20.in-addr.arpa | udp |
Files
memory/4592-0-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp
memory/4592-2-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp
memory/4592-1-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp
memory/4592-3-0x000000001C160000-0x000000001C62E000-memory.dmp
memory/4592-4-0x000000001C6D0000-0x000000001C76C000-memory.dmp
memory/4592-5-0x0000000001700000-0x0000000001708000-memory.dmp
memory/4592-6-0x000000001CA30000-0x000000001CA5E000-memory.dmp
memory/4592-9-0x000000001D830000-0x000000001D83A000-memory.dmp
memory/4592-11-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe
| MD5 | 02e6bf47f5315e8da515ccae63f58a6e |
| SHA1 | 3469eec2964080610b188eceabc216a5f0244d2b |
| SHA256 | aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517 |
| SHA512 | 949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031 |
memory/4592-16-0x000000001C790000-0x000000001C7A0000-memory.dmp
memory/4592-17-0x000000001D840000-0x000000001D860000-memory.dmp
memory/4592-18-0x000000001D8E0000-0x000000001D8F8000-memory.dmp
memory/4592-20-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp