Overview

overview

10

Static

static

T-1056970545.xlsb

windows7_x64

10

T-1056970545.xlsb

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14/04/2022, 12:44

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General

  • Target
    T-1056970545.xlsb
  • Size 1.1MB
  • Sample220414-pyf53ahabp
  • SHA256 9d7a6fdc5d61df4439063e989c4dd22274da9ef8ba7ff40521060aa4551b60ae
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language

  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://rommify.net/Mm2cPksfn0/Dmnh.png
  • xlm40.dropper

    http://c-logistica.com/qS4NKRYI/Dmnh.png
  • xlm40.dropper

    http://mhdti.com/e03BksINQKc/Dmnh.png

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 16 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\T-1056970545.xlsb"
    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:1936
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 C:\ProgramData\Befath.dll
      2⤵
      • Process spawned unexpected child process
      PID:1508
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 C:\ProgramData\Befath1.dll
      2⤵
      • Process spawned unexpected child process
      PID:1452
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 C:\ProgramData\Befath2.dll
      2⤵
      • Process spawned unexpected child process
      PID:4560

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        Befath1.dll
        • Path C:\ProgramData\Befath1.dll
        • Size 376B
        • SHA256 1e10a98f8fcdd818229fe9019b7f27ba098fd2069f07f9c4faf037d3bd17b7f2
        • MD5 SHA1 SHA512
        Submit Download

        memory/1936-130-0x00007FFC69430000-0x00007FFC69440000-memory.dmp
        Download

        memory/1936-132-0x00007FFC69430000-0x00007FFC69440000-memory.dmp
        Download

        memory/1936-131-0x00007FFC69430000-0x00007FFC69440000-memory.dmp
        Download

        memory/1936-134-0x00007FFC69430000-0x00007FFC69440000-memory.dmp
        Download

        memory/1936-133-0x00007FFC69430000-0x00007FFC69440000-memory.dmp
        Download