Analysis

  • max time kernel
    148s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-05-2021 12:58

General

  • Target

    catalog-239708874.xls

  • Size

    367KB

  • MD5

    13875f29b7ba280e14e6610b11fdcddf

  • SHA1

    48eeb3ed3fb29c9aaf4298c8f3eff4ebda75acd3

  • SHA256

    a01617633840effc51c537ad85e4d98a3e436a93048d8b65d6847dac5db3f669

  • SHA512

    8caecae1bb82dff9e7d106130881ddf5506dc778903def5fc2bcb696d830350413365410afb4895c1d45e16a88adce6582da51b375275c97ca65e97bd535c576

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://smartpalakatva.com/edQsUZOLlE/th.html

xlm40.dropper

https://pilstlcommodities.com/Ov4FlB3lpy/th.html

Signatures

  • Process spawned unexpected child process 2 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 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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\catalog-239708874.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/308-60-0x000000002F211000-0x000000002F214000-memory.dmp

    Filesize

    12KB

  • memory/308-61-0x0000000071CC1000-0x0000000071CC3000-memory.dmp

    Filesize

    8KB

  • memory/308-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/660-63-0x0000000000000000-mapping.dmp

  • memory/660-64-0x0000000075A31000-0x0000000075A33000-memory.dmp

    Filesize

    8KB

  • memory/752-65-0x0000000000000000-mapping.dmp