Overview

overview

10

Static

static

8

8650.xlsm

windows7_x64

10

8650.xlsm

windows10_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13/11/2020, 16:21

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General

  • Target
    8650.xlsm
  • Size 16KB
  • Sample201113-8esjclx352
  • SHA256 a4dc3c7bca9601bf642e6df0f9baea765a78265fdd20a5bb0aec36ab488dc278
  • MD5 SHA1 SHA512
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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 4 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\8650.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\U7U2i.vbs
      2⤵
      • Process spawned unexpected child process
      PID:3744
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\U7U2i.vbs"
      2⤵
        PID:2060

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          memory/3324-0-0x00007FFB89D80000-0x00007FFB8A3B7000-memory.dmp
          Download