Analysis

  • max time kernel
    55s
  • max time network
    65s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2025, 06:57

General

  • Target

    PIITS15235.doc

  • Size

    51KB

  • MD5

    1be2a4992097f506fd7ddb85625c2f1e

  • SHA1

    f197c2aa2c4c1dd1059d04309b22359d46fec69b

  • SHA256

    5573f50bf399a289981af095f020610e04ede3126835312bf7dc4de27f6bb602

  • SHA512

    02772db9177dbd1152740078b276b33d3ef79943d6057725da800b7f16af4cda8deb666a42013e8569a36ec4a57739056e496b14c9bb229e01c154c7ea19f5ea

  • SSDEEP

    384:Gp0xfMDVBv2xv8R8dFMjNCC4iKncEOqO6tJiSsqdg1vA9tz1/tfxP0jGaHfZtyga:GkUDrMOgPyU+1o9tlt1ha//vOFl

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 60 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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\PIITS15235.doc"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\brightness.exe
      "brightness.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 692
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2312
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2776

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\brightness.exe

            Filesize

            1.1MB

            MD5

            bf9b75adf866583299dbc8a5fad66cfc

            SHA1

            377f83f54d1226a181f265557804001cb9deee6a

            SHA256

            1bec44aa19ea8daa0b7151b312975f3f753e03f0bbce5ebeab8dfda5fb736a91

            SHA512

            384b92d7ecbd8c5242815cb8ec6bce0096412d2f558c61c4c91a5aff38d3da8cf297d40362b91c1f4620d02700954fbee71519e4735ee4bd17413ee491220fd7

          • memory/1656-0-0x000000002FB21000-0x000000002FB22000-memory.dmp

            Filesize

            4KB

          • memory/1656-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1656-2-0x0000000073F2D000-0x0000000073F38000-memory.dmp

            Filesize

            44KB

          • memory/1656-6-0x0000000005EE0000-0x0000000005FE0000-memory.dmp

            Filesize

            1024KB

          • memory/1656-20-0x0000000073F2D000-0x0000000073F38000-memory.dmp

            Filesize

            44KB

          • memory/1656-21-0x0000000005EE0000-0x0000000005FE0000-memory.dmp

            Filesize

            1024KB

          • memory/2868-15-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/2868-17-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-16-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-22-0x0000000000400000-0x0000000000524000-memory.dmp

            Filesize

            1.1MB

          • memory/2868-50-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-56-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-55-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-66-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-64-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-62-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-60-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-57-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-59-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-53-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-51-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-49-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-47-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-46-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-43-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-42-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-40-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-39-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-37-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-36-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-35-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-103-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-101-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-98-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-96-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-94-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-92-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-34-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-89-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-87-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-85-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-82-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-80-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-78-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-33-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-76-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-74-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-70-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-32-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-67-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-65-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-63-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-31-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-61-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-58-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-54-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-30-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-52-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-29-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-48-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-45-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-28-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-44-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-41-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-27-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-38-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-25-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-26-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB

          • memory/2868-24-0x00000000032C0000-0x00000000042C0000-memory.dmp

            Filesize

            16.0MB