Analysis Overview
SHA256
97820cf8de59555d2d333ac724c6a72c610b8c537f35139ebb1a5a362e68f789
Threat Level: Known bad
The file 208c45f500c299bc4ebd80d1e230cc41 was found to be: Known bad.
Malicious Activity Summary
Avoslocker Ransomware
Renames multiple (78) files with added filename extension
Renames multiple (79) files with added filename extension
Unsigned PE
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-30 23:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-30 23:47
Reported
2024-01-04 21:30
Platform
win7-20231215-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
Avoslocker Ransomware
Renames multiple (78) files with added filename extension
Suspicious behavior: EnumeratesProcesses
Processes
C:\Users\Admin\AppData\Local\Temp\208c45f500c299bc4ebd80d1e230cc41.exe
"C:\Users\Admin\AppData\Local\Temp\208c45f500c299bc4ebd80d1e230cc41.exe"
Network
Files
C:\MSOCache\GET_YOUR_FILES_BACK.txt
| MD5 | 0454a42a44d0ac06b736c1c8ea701738 |
| SHA1 | 7b32fec0e0063f0f9cf7b10aa7aa88e04be6d049 |
| SHA256 | bb344c93d0894b33ec20752eebb8917e79df6d92d4be5c9c9610e596e6df26a7 |
| SHA512 | 1a6f8d5b58cb5cc93350341d72a0a83dd86531e528155f51961aea3e94d17cb8a58513efd7b616af3ac2dffb4ed074fe3a0b150551d5f4540f269b86d00026f5 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-30 23:47
Reported
2024-01-04 21:31
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Avoslocker Ransomware
Renames multiple (79) files with added filename extension
Suspicious behavior: EnumeratesProcesses
Processes
C:\Users\Admin\AppData\Local\Temp\208c45f500c299bc4ebd80d1e230cc41.exe
"C:\Users\Admin\AppData\Local\Temp\208c45f500c299bc4ebd80d1e230cc41.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| PH | 23.37.1.217:80 | www.microsoft.com | tcp |
| PH | 23.37.1.217:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 143.178.17.96.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| GB | 96.17.178.143:80 | tcp |
Files
C:\PerfLogs\GET_YOUR_FILES_BACK.txt
| MD5 | 0454a42a44d0ac06b736c1c8ea701738 |
| SHA1 | 7b32fec0e0063f0f9cf7b10aa7aa88e04be6d049 |
| SHA256 | bb344c93d0894b33ec20752eebb8917e79df6d92d4be5c9c9610e596e6df26a7 |
| SHA512 | 1a6f8d5b58cb5cc93350341d72a0a83dd86531e528155f51961aea3e94d17cb8a58513efd7b616af3ac2dffb4ed074fe3a0b150551d5f4540f269b86d00026f5 |