Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
26/05/2024, 03:49
General
- Target ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f.dll
- Size 25KB
- Sample240526-edf98aee83
- SHA256 ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 2 IoCs
- Modifies registry class 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Windows\system32\khfETmmm.dll,a3⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
khfETmmm.dll
memory/1864-1-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1864-0-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1864-2-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1864-10-0x0000000001100000-0x0000000001112000-memory.dmp
memory/1864-9-0x0000000001100000-0x0000000001112000-memory.dmp
memory/1864-12-0x0000000001100000-0x0000000001112000-memory.dmp
memory/4324-18-0x0000000010000000-0x0000000010012000-memory.dmp
memory/4324-17-0x0000000010000000-0x0000000010012000-memory.dmp
memory/4324-19-0x0000000010000000-0x0000000010012000-memory.dmp
memory/4324-20-0x0000000010000000-0x0000000010012000-memory.dmp