Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 10:16

General

  • Target

    6522ed05b240b752118ba0f1ee579edb.xls

  • Size

    176KB

  • MD5

    6522ed05b240b752118ba0f1ee579edb

  • SHA1

    270d576da077bd36d304e4968ef19e9b88b49338

  • SHA256

    39a500d3b4cec6fb391ef8ad2e931c3a81a70045b583bad307049c73db157d99

  • SHA512

    4e8401526688a641c5045a8ce4851c1b40b20a7698aa02e30c37c918aabba8aec08ce32d93209c3442da37eb7137d274e6aa473b7a51e39b15a90b201fd92efb

  • SSDEEP

    1536:leeeSQz8tV8e1sLvczPkJQbzCeqjlxmYqN7uUifKzr+bFOQ1Iuwf9wAKTU+WVbrw:8oXevWVbrzQ7IWk3W3TbKJtXwDrq

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 4 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 5 IoCs
  • Suspicious use of WriteProcessMemory 20 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\6522ed05b240b752118ba0f1ee579edb.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:3032
    • 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:860
    • 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:1644
    • 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:1104
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\System32\wscript.exe" E:\KK\6522ed05b240b752118ba0f1ee579edb_Search.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1124
  • C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    1⤵
    • Views/modifies file attributes
    PID:1340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3032-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/3032-1-0x000000007234D000-0x0000000072358000-memory.dmp

          Filesize

          44KB

        • memory/3032-5-0x00000000060E0000-0x00000000061E0000-memory.dmp

          Filesize

          1024KB

        • memory/3032-9-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-10-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-11-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-13-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-12-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-14-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-20-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-24-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-25-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-27-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-29-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-30-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-28-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-31-0x00000000060E0000-0x00000000061E0000-memory.dmp

          Filesize

          1024KB

        • memory/3032-26-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-23-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-22-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-21-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-32-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-19-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-18-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-33-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-17-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-15-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-16-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-55-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-56-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-80-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-104-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-127-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-148-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-172-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-195-0x000000007234D000-0x0000000072358000-memory.dmp

          Filesize

          44KB

        • memory/3032-197-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-218-0x00000000060E0000-0x00000000061E0000-memory.dmp

          Filesize

          1024KB

        • memory/3032-220-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-244-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-271-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-297-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-316-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-342-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-363-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-389-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-390-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-391-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-392-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-393-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-394-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-395-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-396-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/3032-400-0x000000007234D000-0x0000000072358000-memory.dmp

          Filesize

          44KB