Analysis

  • max time kernel
    136s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24/03/2021, 17:47

General

  • Target
    Document121025675103242021Copy.xlsm
  • Size 170KB
  • Sample210324-fft37ghdka
  • SHA256 712e4223cb05aaa0c1af6b8e2e4e390b319e6794ec710383fe8eb646a3a81655
  • MD5 SHA1 SHA512
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 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\Document121025675103242021Copy.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SYSTEM32\Rundll32.exe
      Rundll32 ..\Fol.doka,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:968
    • C:\Windows\SYSTEM32\Rundll32.exe
      Rundll32 ..\Fol.doka1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1236
    • C:\Windows\SYSTEM32\Rundll32.exe
      Rundll32 ..\Fol.doka2,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3892

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1108-3-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

        memory/1108-2-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

        memory/1108-4-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

        memory/1108-5-0x00007FFC45630000-0x00007FFC45C67000-memory.dmp

        memory/1108-6-0x00007FFC22770000-0x00007FFC22780000-memory.dmp