Overview

overview

10

Static

static

8

Document15...y.xlsm

windows7_x64

10

Document15...y.xlsm

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25/03/2021, 09:27

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General

  • Target
    Document151281656103242021Copy.xlsm
  • Size 170KB
  • Sample210325-acf7deaazn
  • SHA256 dde5e84687fd26f1bddd95b2ff06fbdea6ab4c9fd61eecc4fd7dba0673040c3f
  • 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 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\Document151281656103242021Copy.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
    PID:4688
    • C:\Windows\SYSTEM32\Rundll32.exe
      Rundll32 ..\Fol.doka,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:4432
    • C:\Windows\SYSTEM32\Rundll32.exe
      Rundll32 ..\Fol.doka1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:4460
    • C:\Windows\SYSTEM32\Rundll32.exe
      Rundll32 ..\Fol.doka2,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:4496

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/4688-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
        Download

        memory/4688-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
        Download

        memory/4688-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
        Download

        memory/4688-5-0x00007FFEEB2F0000-0x00007FFEEB927000-memory.dmp
        Download

        memory/4688-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
        Download