Analysis

  • max time kernel
    149s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-05-2021 12:59

General

  • Target

    catalog-291206972.xls

  • Size

    367KB

  • MD5

    2ace7f812b812a87db109c09ebdb1b58

  • SHA1

    b6240850c6bd9eed17f936d8c4a950e09afe83c5

  • SHA256

    b5ce168b00c7cf58cad2a9b4f21b1025710dd6921d908f40c7cabd77de877e11

  • SHA512

    3fcfcb979ad0306283e59b9d0970d4d1cd3d7f6d31209a8982c0bfe80d483d774438ec7b638b459d273a8a143cbbd6478ae7c426c759e85222748e47b10c06b1

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-291206972.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:1472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/308-60-0x000000002F201000-0x000000002F204000-memory.dmp

    Filesize

    12KB

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

    Filesize

    8KB

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

    Filesize

    64KB

  • memory/1472-63-0x0000000000000000-mapping.dmp

  • memory/1472-64-0x0000000075A31000-0x0000000075A33000-memory.dmp

    Filesize

    8KB

  • memory/1480-65-0x0000000000000000-mapping.dmp