Analysis Overview
SHA256
45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f
Threat Level: Known bad
The file 45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe was found to be: Known bad.
Malicious Activity Summary
DarkCloud
Suspicious use of NtCreateUserProcessOtherParentProcess
Darkcloud family
Drops startup file
Suspicious use of SetThreadContext
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-10 11:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-10 11:19
Reported
2025-03-10 11:21
Platform
win7-20240903-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe |
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\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1872 wrote to memory of 1928 | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1872 wrote to memory of 1928 | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1872 wrote to memory of 1928 | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1872 wrote to memory of 1928 | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe
"C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 1236
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.arandelasespeciales.com | udp |
| CA | 15.235.119.29:443 | www.arandelasespeciales.com | tcp |
Files
memory/1872-0-0x00000000747DE000-0x00000000747DF000-memory.dmp
memory/1872-1-0x0000000000040000-0x0000000000132000-memory.dmp
memory/1872-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp
memory/1872-3-0x00000000747D0000-0x0000000074EBE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-03-10 11:19
Reported
2025-03-10 11:21
Platform
win10v2004-20250217-en
Max time kernel
93s
Max time network
141s
Command Line
Signatures
DarkCloud
Darkcloud family
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1972 created 3452 | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | C:\Windows\Explorer.EXE |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Instance.vbs | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1972 set thread context of 432 | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
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\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe
"C:\Users\Admin\AppData\Local\Temp\45b104579f856aba3d99b5370360240a3f9f95b82969e3f7ba12c14b0d7abb7f.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.arandelasespeciales.com | udp |
| CA | 15.235.119.29:443 | www.arandelasespeciales.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/1972-0-0x000000007502E000-0x000000007502F000-memory.dmp
memory/1972-1-0x0000000000770000-0x0000000000862000-memory.dmp
memory/1972-2-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1972-3-0x00000000064C0000-0x00000000065F8000-memory.dmp
memory/1972-11-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-21-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-61-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-67-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-65-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-63-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-57-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-55-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-53-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-51-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-49-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-45-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-43-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-41-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-35-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-33-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-31-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-29-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-27-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-25-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-23-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-19-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-17-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-15-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-13-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-9-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-59-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-7-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-47-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-39-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-37-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-5-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-4-0x00000000064C0000-0x00000000065F2000-memory.dmp
memory/1972-1326-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1972-1327-0x0000000006650000-0x00000000066E2000-memory.dmp
memory/1972-1328-0x0000000006700000-0x0000000006790000-memory.dmp
memory/1972-1329-0x0000000006820000-0x000000000686C000-memory.dmp
memory/1972-1330-0x00000000071A0000-0x0000000007744000-memory.dmp
memory/1972-1331-0x0000000006900000-0x0000000006954000-memory.dmp
memory/1972-1337-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1972-1342-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1972-1339-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/432-1345-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1972-1344-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/432-1356-0x0000000000400000-0x0000000000470000-memory.dmp