Analysis Overview
SHA256
97820cf8de59555d2d333ac724c6a72c610b8c537f35139ebb1a5a362e68f789
Threat Level: Known bad
The file 208c45f500c299bc4ebd80d1e230cc41 was found to be: Known bad.
Malicious Activity Summary
Avoslocker Ransomware
Renames multiple (96) files with added filename extension
Unsigned PE
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-25 13:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 13:07
Reported
2023-12-28 09:32
Platform
win7-20231215-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Avoslocker Ransomware
Renames multiple (96) 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
F:\$RECYCLE.BIN\S-1-5-21-1603059206-2004189698-4139800220-1000\GET_YOUR_FILES_BACK.txt
| MD5 | 0454a42a44d0ac06b736c1c8ea701738 |
| SHA1 | 7b32fec0e0063f0f9cf7b10aa7aa88e04be6d049 |
| SHA256 | bb344c93d0894b33ec20752eebb8917e79df6d92d4be5c9c9610e596e6df26a7 |
| SHA512 | 1a6f8d5b58cb5cc93350341d72a0a83dd86531e528155f51961aea3e94d17cb8a58513efd7b616af3ac2dffb4ed074fe3a0b150551d5f4540f269b86d00026f5 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 13:07
Reported
2023-12-28 09:32
Platform
win10v2004-20231215-en
Max time kernel
17s
Max time network
150s
Command Line
Signatures
Avoslocker Ransomware
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 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| IE | 20.223.35.26:443 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| NL | 52.142.223.178:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
C:\PerfLogs\GET_YOUR_FILES_BACK.txt
| MD5 | 0454a42a44d0ac06b736c1c8ea701738 |
| SHA1 | 7b32fec0e0063f0f9cf7b10aa7aa88e04be6d049 |
| SHA256 | bb344c93d0894b33ec20752eebb8917e79df6d92d4be5c9c9610e596e6df26a7 |
| SHA512 | 1a6f8d5b58cb5cc93350341d72a0a83dd86531e528155f51961aea3e94d17cb8a58513efd7b616af3ac2dffb4ed074fe3a0b150551d5f4540f269b86d00026f5 |