Analysis

  • max time kernel
    153s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    10-05-2022 05:48

General

  • Target

    ?i=1ublkxnjc.xls

  • Size

    113KB

  • MD5

    3e47f75fb9dbb067e2b47049666fc1d2

  • SHA1

    df51ed9b3c9bc6bbef920f2de3bedeccda5217c3

  • SHA256

    aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd

  • SHA512

    878839b9037053905384417e505741ef74622804eb384f84d1cd1b8b96eb8b0521d6f248f5a9ae635c2367cab17669db248156ef0ca5f11d6a54f3adc0d118eb

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://ordinateur.ogivart.us/editor/Qpo7OAOnbe/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 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\_i=1ublkxnjc.xls
    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:1420
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\sun.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      PID:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\sun.ocx

    Filesize

    5KB

    MD5

    c3b8b651f46d7c7bcdef25bb6dc2d386

    SHA1

    60767aeb96dcaa5ff979dc4fac8673827b0c80fa

    SHA256

    908981b1611586011d764bf82dca61b1f114c807c03a7500b4eedcde42e76f16

    SHA512

    0a32f8710b922226100a03cf41f95296a1c1250146ee28bc33ef692ecc987477fbdb7519927eebd16db7ec73b1b381e3e0511aa6cb20d64fe5d35feb78154090

  • memory/1420-54-0x000000002FB31000-0x000000002FB34000-memory.dmp

    Filesize

    12KB

  • memory/1420-55-0x0000000071C51000-0x0000000071C53000-memory.dmp

    Filesize

    8KB

  • memory/1420-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1420-57-0x0000000072C3D000-0x0000000072C48000-memory.dmp

    Filesize

    44KB

  • memory/1420-58-0x0000000076011000-0x0000000076013000-memory.dmp

    Filesize

    8KB

  • memory/1752-59-0x0000000000000000-mapping.dmp