Analysis
- max time kernel
148s - max time network
118s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
07/08/2026, 10:37
General
- Target 4d1e4b6acf8313c9e1014d27245f8737c04c0053ce837b57cd2114f5169b44f7.dll
- Size 2.5MB
- Sample260807-mnxc7acj91
- SHA256 4d1e4b6acf8313c9e1014d27245f8737c04c0053ce837b57cd2114f5169b44f7
Malware Config
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 2 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Drops file in System32 directory 2 IoCs
- UPX packed file 8 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 44 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4d1e4b6acf8313c9e1014d27245f8737c04c0053ce837b57cd2114f5169b44f7.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4d1e4b6acf8313c9e1014d27245f8737c04c0053ce837b57cd2114f5169b44f7.dll,#12⤵
- Badlisted process makes network request
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5716 -s 9243⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5716 -ip 57161⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
SkinH_EL.dll
memory/5716-0-0x0000000003050000-0x000000000310A000-memory.dmp
memory/5716-7-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-10-0x0000000005AA9000-0x0000000005AAA000-memory.dmp
memory/5716-11-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-12-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-15-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-16-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-14-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-13-0x0000000005AA0000-0x0000000005ADD000-memory.dmp
memory/5716-18-0x0000000003050000-0x000000000310A000-memory.dmp