Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
24/12/2023, 16:29
General
- Target 05c54042baf73af4231b4bc3da04a187.exe
- Size 51KB
- Sample231224-tzjd2abcbn
- SHA256 7bf18229164d31f6afcaa746cd2678d9e6ccabe0cc61e1869bd39160cb7fd3ae
Score
8/10
Malware Config
Signatures
- Drops file in Drivers directory 1 IoCs
- Sets DLL path for service in the registry 2 TTPs 1 IoCs
- Loads dropped DLL 2 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- VMProtect packed file 1 IoCs
Detects executables packed with VMProtect commercial packer.
- Drops file in System32 directory 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\05c54042baf73af4231b4bc3da04a187.exe"C:\Users\Admin\AppData\Local\Temp\05c54042baf73af4231b4bc3da04a187.exe"1⤵
- Drops file in Drivers directory
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\05C540~1.EXE > nul2⤵
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k krnlsrvc1⤵
- Loads dropped DLL
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k krnlsrvc1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
RkmftoC.dll
memory/4532-0-0x0000000000400000-0x000000000041A000-memory.dmp
memory/4532-10-0x0000000000400000-0x000000000041A000-memory.dmp