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Analysis

  • max time kernel
    117s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 03:02

General

  • Target

    2599b6b6ff6083d8b4da05218595a338.xlsm

  • Size

    253KB

  • MD5

    2599b6b6ff6083d8b4da05218595a338

  • SHA1

    d591b537333fcf37ccf944443e08403122852f18

  • SHA256

    9924687344bd2fe391ca60e2c99c4fba5ad46daad1883a303177fa01be289004

  • SHA512

    784d3866feb4f7eb8c8245a4f586ce7775a7ac426e61642fdd8a7e0da9dc24c9a1dee58d0157d5b6536f571ceb07bb4edc07ac3b082a3e2ba9189d7aa2827f20

  • SSDEEP

    6144:SztZbAPPimNA/kjoitkvCVFWKMJH/doqIJuBS4EIR5qVxAzz:ytZbAPDNAcM/Y9qfduJCS4zqV63

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 4 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 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\2599b6b6ff6083d8b4da05218595a338.xlsm
    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:3040
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\XKrWDx.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      PID:1196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3040-1-0x000000007292D000-0x0000000072938000-memory.dmp

    Filesize

    44KB

  • memory/3040-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/3040-57-0x000000007292D000-0x0000000072938000-memory.dmp

    Filesize

    44KB

  • memory/3040-60-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/3040-61-0x000000007292D000-0x0000000072938000-memory.dmp

    Filesize

    44KB