Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    14/02/2022, 15:23

General

  • Target
    PH-1577391140.xlsb
  • Size 229KB
  • Sample220214-ssf5nahfa7
  • SHA256 d74b00dde228d80e09d1c2a9144216de68b8a89ac1966dacfcae8e9dc3f52738
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://judgebryantweekes.com/R4uDKgmAJJY/9i.png

  • xlm40.dropper

    https://lawyeryouwant.com/LACxAeU53/92i.png

  • xlm40.dropper

    https://passmyielts.com/PvYsQMezfHK/93i.png

Signatures

  • Process spawned unexpected child process 3 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 7 IoCs
  • Suspicious use of WriteProcessMemory 21 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\PH-1577391140.xlsb
    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:536
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Watdan\dxv1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1632
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Watdan\dxv2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1860
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\Watdan\dxv3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1924

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/536-55-0x000000002F981000-0x000000002F984000-memory.dmp

        memory/536-56-0x0000000071AE1000-0x0000000071AE3000-memory.dmp

        memory/536-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/536-58-0x0000000072ACD000-0x0000000072AD8000-memory.dmp

        memory/1632-59-0x00000000763B1000-0x00000000763B3000-memory.dmp

        memory/1632-60-0x0000000000200000-0x0000000000201000-memory.dmp

        memory/1860-63-0x0000000000180000-0x0000000000181000-memory.dmp

        memory/1924-64-0x00000000004E0000-0x00000000004E1000-memory.dmp