Analysis

  • max time kernel
    100s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 03:09

General

  • Target

    清单表/工行阳江分行地下停车场/工行阳江分行地下停车场.xls

  • Size

    197KB

  • MD5

    f6b78f6678531ba218d087df844c7f2a

  • SHA1

    d0fc1ae76f794175c4e1e3c10d96ff638e0fb9e7

  • SHA256

    c74131d1c4756638c90443071a9b5feacaf574bcccef52771cdc34b0228d03b3

  • SHA512

    5b743752e03e4cedd31760c997046cad97ed5e2a8c3f8b61ddce5a7c056aa776370c833fdab646689e3b9461eb5558abd4ac5ac82bfb289776b958a5d04ebcd6

  • SSDEEP

    3072:QQ6o/lbBt0HOho7iaHZbj0ZAZI03b4MJnClmn62jcc0lbxOrIIEJtXwKH:VOJQKy

Score
10/10

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
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\清单表\工行阳江分行地下停车场\工行阳江分行地下停车场.xls
    1⤵
    • Deletes itself
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1324
    • 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
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:424
    • 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
      PID:1760
    • 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
      PID:588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/424-222-0x0000000000000000-mapping.dmp

  • memory/588-221-0x0000000000000000-mapping.dmp

  • memory/1324-65-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-84-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-58-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB

  • memory/1324-59-0x0000000000508000-0x000000000050E000-memory.dmp

    Filesize

    24KB

  • memory/1324-60-0x0000000000508000-0x000000000050E000-memory.dmp

    Filesize

    24KB

  • memory/1324-61-0x0000000000508000-0x000000000050E000-memory.dmp

    Filesize

    24KB

  • memory/1324-62-0x0000000000508000-0x000000000050E000-memory.dmp

    Filesize

    24KB

  • memory/1324-63-0x0000000000508000-0x000000000050E000-memory.dmp

    Filesize

    24KB

  • memory/1324-74-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-73-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-72-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-71-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-70-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-77-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-68-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-67-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-66-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-64-0x0000000000508000-0x000000000050E000-memory.dmp

    Filesize

    24KB

  • memory/1324-383-0x00000000727DD000-0x00000000727E8000-memory.dmp

    Filesize

    44KB

  • memory/1324-385-0x00000000727DD000-0x00000000727E8000-memory.dmp

    Filesize

    44KB

  • memory/1324-69-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-76-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-80-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-81-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-79-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-78-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-82-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-83-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-57-0x00000000727DD000-0x00000000727E8000-memory.dmp

    Filesize

    44KB

  • memory/1324-85-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-86-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-87-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-109-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-75-0x000000000050E000-0x0000000000512000-memory.dmp

    Filesize

    16KB

  • memory/1324-54-0x000000002F2B1000-0x000000002F2B4000-memory.dmp

    Filesize

    12KB

  • memory/1324-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1324-55-0x00000000717F1000-0x00000000717F3000-memory.dmp

    Filesize

    8KB

  • memory/1624-219-0x0000000000000000-mapping.dmp

  • memory/1760-220-0x0000000000000000-mapping.dmp