Analysis

  • max time kernel
    120s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    29/11/2021, 14:00

General

  • Target
    tax_09471329.xlsb
  • Size 110KB
  • Sample211129-razzdafbh6
  • SHA256 0c210c856d7b94ff365a5221b4207e2fe0b538be411a2def3f15dc88bc90c86e
  • MD5 SHA1 SHA512
Score
1/10

Malware Config

Signatures

  • 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 14 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\tax_09471329.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2564

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2564-118-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

        memory/2564-119-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

        memory/2564-120-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

        memory/2564-121-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

        memory/2564-122-0x0000018CC5F40000-0x0000018CC5F42000-memory.dmp

        memory/2564-123-0x0000018CC5F40000-0x0000018CC5F42000-memory.dmp

        memory/2564-124-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

        memory/2564-125-0x0000018CC5F40000-0x0000018CC5F42000-memory.dmp