Analysis
- max time kernel
136s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
01/04/2021, 17:31
General
- Target 71041635827-04012021.xlsm
- Size 173KB
- Sample210401-k3kaztbbbx
- SHA256 847e27f1d3eba0f0fae803dd6ee3d272fcfc29bc46997a80fc4970185019171c
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 3 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 FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 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\71041635827-04012021.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\Hodas.vyur,PluginInit2⤵
- Process spawned unexpected child process
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\Hodas.vyur1,PluginInit2⤵
- Process spawned unexpected child process
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\Hodas.vyur2,PluginInit2⤵
- Process spawned unexpected child process
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4716-2-0x00007FF965210000-0x00007FF965220000-memory.dmp
memory/4716-3-0x00007FF965210000-0x00007FF965220000-memory.dmp
memory/4716-4-0x00007FF965210000-0x00007FF965220000-memory.dmp
memory/4716-5-0x00007FF988CB0000-0x00007FF9892E7000-memory.dmp
memory/4716-6-0x00007FF965210000-0x00007FF965220000-memory.dmp