Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 07:08

General

  • Target

    中小学名单/2012城市中学.xls

  • Size

    143KB

  • MD5

    58b2fe2ccfd1a8b74ab0ea928cdfd8e2

  • SHA1

    e1911d4e2dd11414aaf7ba73fe3332e10772a327

  • SHA256

    ec344428a3d915f86e93e75d51836c029a12e728a64ecd1734bf4985cf3d32a3

  • SHA512

    50986f91831ac2d062c224745e3d9346b32b6a0b3b13e0f17b7bc24e2e68facfb42d2df833eca5ec037ecce3452fe105c1a82014badb105624bd5ee70153dbe1

  • SSDEEP

    3072:Lss93EkqzdTKWIIL2j33c0lbxOslU0JtXwXJ/:7ind1iQ

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

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

  • Deletes itself 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Views/modifies file attributes 1 TTPs 1 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\中小学名单\2012城市中学.xls
    1⤵
    • Deletes itself
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2876
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2044
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2408-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2408-1-0x000000007292D000-0x0000000072938000-memory.dmp

    Filesize

    44KB

  • memory/2408-11-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-34-0x0000000006290000-0x0000000006390000-memory.dmp

    Filesize

    1024KB

  • memory/2408-29-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-26-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-8-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-59-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-41-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-30-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-28-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-27-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-25-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-24-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-23-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-22-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-21-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-20-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-19-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-18-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-17-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-16-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-15-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-14-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-13-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-12-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-9-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-10-0x0000000006290000-0x0000000006390000-memory.dmp

    Filesize

    1024KB

  • memory/2408-96-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-331-0x000000007292D000-0x0000000072938000-memory.dmp

    Filesize

    44KB

  • memory/2408-332-0x0000000006290000-0x0000000006390000-memory.dmp

    Filesize

    1024KB

  • memory/2408-333-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2408-337-0x000000007292D000-0x0000000072938000-memory.dmp

    Filesize

    44KB