Analysis
- max time kernel
139s - max time network
131s - platform
windows10_x64 - resource
win10v20201028 - submitted
16/03/2021, 04:32
General
- Target mal.xls
- Size 273KB
- Sample210316-ratfxrnzza
- SHA256 f4fc313fbfeafb3eb383097ff2c9f791cfb0f687a8488b8bc0923e9d693cdc4c
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\mal.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\sfdgsd.dss,DllRegisterServer2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3116-2-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp
memory/3116-3-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp
memory/3116-4-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp
memory/3116-5-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp
memory/3116-6-0x00007FF81FAA0000-0x00007FF8200D7000-memory.dmp