Analysis Overview
SHA256
66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752e
Threat Level: Shows suspicious behavior
The file 66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN was found to be: Shows suspicious behavior.
Malicious Activity Summary
Impair Defenses: Safe Mode Boot
Drops startup file
Command and Scripting Interpreter: PowerShell
Unsigned PE
System Location Discovery: System Language Discovery
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 20:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 20:30
Reported
2024-11-09 20:32
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
97s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BlockWindows.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Impair Defenses: Safe Mode Boot
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\DisableSafeMode = "1" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2092 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe | C:\Windows\system32\cmd.exe |
| PID 2092 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe | C:\Windows\system32\cmd.exe |
| PID 2224 wrote to memory of 5108 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2224 wrote to memory of 5108 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 5108 wrote to memory of 3688 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\system32\taskkill.exe |
| PID 5108 wrote to memory of 3688 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\system32\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe
"C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\6F54.tmp\lock.bat "C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe""
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\BlockWindows.ps1"
C:\Windows\system32\taskkill.exe
"C:\Windows\system32\taskkill.exe" /F /IM explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\6F54.tmp\lock.bat
| MD5 | 1bd17ffa60b07280bdb6ff5e257ad872 |
| SHA1 | 113bf27cce1e65477febe8a395c34df1558e39fd |
| SHA256 | 9f669db892875d281aec91c08edf9e34ecc1dcda3f2d88fe70a119a3da8a2fea |
| SHA512 | 855484587dfba3313ce1e66e515d53a2423a332ce206d35dfe96e31881a8fda35388ce431bb4f08bfe13fb0aaef534d6b1b0a3050f9f00162e696ae363272381 |
memory/5108-4-0x00007FFFFBD73000-0x00007FFFFBD75000-memory.dmp
memory/5108-5-0x0000021BE7D70000-0x0000021BE7D92000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xiroztqw.quu.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/5108-15-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\BlockWindows.ps1
| MD5 | c8f337e720c8097bda0d2c593ae34166 |
| SHA1 | 7eaa7e5e32d8eb4e2a87d8c218bc3755cb1fa9bc |
| SHA256 | 0f266c82f0edafaa2f1d49253de4987c3fa52a908b8123f6dec8646479e56e02 |
| SHA512 | 6bbf7adcfe1573c14f749c70cb23ef7dc0d638f988fe8558cf82f6a89797af45abf0b0dc219750d7e02a609c20196882837735b96c8ba02acbf7fc1175ed06cd |
memory/5108-17-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp
memory/5108-19-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp
memory/5108-20-0x00007FFFFBD73000-0x00007FFFFBD75000-memory.dmp
memory/5108-21-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp
memory/5108-22-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp
memory/5108-23-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 20:30
Reported
2024-11-09 20:32
Platform
win7-20240903-en
Max time kernel
119s
Max time network
21s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BlockWindows.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Impair Defenses: Safe Mode Boot
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\DisableSafeMode = "1" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe
"C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\1017.tmp\lock.bat "C:\Users\Admin\AppData\Local\Temp\66b802410562811332fee88376be681719a02c8f42e9f508ba573d43264a752eN.exe""
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\BlockWindows.ps1"
C:\Windows\system32\taskkill.exe
"C:\Windows\system32\taskkill.exe" /F /IM explorer.exe
Network
Files
C:\Users\Admin\AppData\Local\Temp\1017.tmp\lock.bat
| MD5 | 1bd17ffa60b07280bdb6ff5e257ad872 |
| SHA1 | 113bf27cce1e65477febe8a395c34df1558e39fd |
| SHA256 | 9f669db892875d281aec91c08edf9e34ecc1dcda3f2d88fe70a119a3da8a2fea |
| SHA512 | 855484587dfba3313ce1e66e515d53a2423a332ce206d35dfe96e31881a8fda35388ce431bb4f08bfe13fb0aaef534d6b1b0a3050f9f00162e696ae363272381 |
memory/2764-8-0x000007FEF5ACE000-0x000007FEF5ACF000-memory.dmp
memory/2764-9-0x000000001B7C0000-0x000000001BAA2000-memory.dmp
memory/2764-10-0x0000000001E20000-0x0000000001E28000-memory.dmp
memory/2764-11-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-12-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\BlockWindows.ps1
| MD5 | c8f337e720c8097bda0d2c593ae34166 |
| SHA1 | 7eaa7e5e32d8eb4e2a87d8c218bc3755cb1fa9bc |
| SHA256 | 0f266c82f0edafaa2f1d49253de4987c3fa52a908b8123f6dec8646479e56e02 |
| SHA512 | 6bbf7adcfe1573c14f749c70cb23ef7dc0d638f988fe8558cf82f6a89797af45abf0b0dc219750d7e02a609c20196882837735b96c8ba02acbf7fc1175ed06cd |
memory/2764-14-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-15-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-16-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-18-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-19-0x000007FEF5ACE000-0x000007FEF5ACF000-memory.dmp
memory/2764-20-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-21-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp
memory/2764-22-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp