Analysis Overview
SHA256
a71beab2c962f82db197b85a490c8f7ab82d8bb1a861b85f95635cca10223fcc
Threat Level: Known bad
The file 2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-30 06:57
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 06:57
Reported
2024-05-30 07:00
Platform
win7-20240221-en
Max time kernel
120s
Max time network
126s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 2936 created 1284 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\Explorer.EXE |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe"
C:\Windows\SysWOW64\dialer.exe
"C:\Windows\system32\dialer.exe"
Network
Files
memory/2936-2-0x00000000001C0000-0x00000000001CA000-memory.dmp
memory/2936-1-0x00000000001C0000-0x00000000001CA000-memory.dmp
memory/2936-3-0x0000000000407000-0x0000000000421000-memory.dmp
memory/2936-4-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/2936-10-0x0000000000270000-0x0000000000289000-memory.dmp
memory/2936-9-0x0000000000270000-0x0000000000289000-memory.dmp
memory/2936-8-0x00000000001E0000-0x00000000001E4000-memory.dmp
memory/2936-7-0x00000000001E0000-0x00000000001E4000-memory.dmp
memory/2936-6-0x00000000001D0000-0x00000000001D7000-memory.dmp
memory/2936-5-0x00000000001D0000-0x00000000001D7000-memory.dmp
memory/2936-11-0x0000000003150000-0x0000000003550000-memory.dmp
memory/2936-12-0x0000000003150000-0x0000000003550000-memory.dmp
memory/2936-13-0x0000000077B60000-0x0000000077D09000-memory.dmp
memory/2936-15-0x00000000778F0000-0x0000000077937000-memory.dmp
memory/2616-16-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2616-19-0x0000000001E00000-0x0000000002200000-memory.dmp
memory/2616-18-0x0000000001E00000-0x0000000002200000-memory.dmp
memory/2616-23-0x0000000001E00000-0x0000000002200000-memory.dmp
memory/2616-22-0x00000000778F0000-0x0000000077937000-memory.dmp
memory/2616-24-0x0000000077B61000-0x0000000077C62000-memory.dmp
memory/2616-20-0x0000000077B60000-0x0000000077D09000-memory.dmp
memory/2616-25-0x0000000001E00000-0x0000000002200000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 06:57
Reported
2024-05-30 06:59
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1748 created 2664 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\system32\svchost.exe |
Program crash
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dialer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1748 wrote to memory of 2708 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\SysWOW64\dialer.exe |
| PID 1748 wrote to memory of 2708 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\SysWOW64\dialer.exe |
| PID 1748 wrote to memory of 2708 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\SysWOW64\dialer.exe |
| PID 1748 wrote to memory of 2708 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\SysWOW64\dialer.exe |
| PID 1748 wrote to memory of 2708 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe | C:\Windows\SysWOW64\dialer.exe |
Processes
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_bf7ef3dc595a44ebf841bbbcaa6da680_avoslocker.exe"
C:\Windows\SysWOW64\dialer.exe
"C:\Windows\system32\dialer.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1748 -ip 1748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1748 -ip 1748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 516
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.121:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| NL | 23.62.61.121:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.143.182.52.in-addr.arpa | udp |
Files
memory/1748-2-0x00000000006E0000-0x00000000006EA000-memory.dmp
memory/1748-1-0x00000000006E0000-0x00000000006EA000-memory.dmp
memory/1748-8-0x00000000007E0000-0x00000000007F9000-memory.dmp
memory/1748-7-0x00000000007E0000-0x00000000007F9000-memory.dmp
memory/1748-6-0x00000000007D0000-0x00000000007D4000-memory.dmp
memory/1748-5-0x00000000007D0000-0x00000000007D4000-memory.dmp
memory/1748-4-0x00000000007C0000-0x00000000007C7000-memory.dmp
memory/1748-3-0x00000000007C0000-0x00000000007C7000-memory.dmp
memory/1748-0-0x0000000000400000-0x00000000005FE000-memory.dmp
memory/1748-9-0x0000000000407000-0x0000000000421000-memory.dmp
memory/1748-10-0x0000000003650000-0x0000000003A50000-memory.dmp
memory/1748-11-0x0000000003650000-0x0000000003A50000-memory.dmp
memory/1748-12-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp
memory/1748-14-0x0000000077010000-0x0000000077225000-memory.dmp
memory/2708-15-0x0000000000E90000-0x0000000000E99000-memory.dmp
memory/2708-18-0x0000000002B20000-0x0000000002F20000-memory.dmp
memory/2708-21-0x0000000077010000-0x0000000077225000-memory.dmp
memory/2708-22-0x0000000002B20000-0x0000000002F20000-memory.dmp
memory/2708-19-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp
memory/2708-23-0x0000000002B20000-0x0000000002F20000-memory.dmp