Analysis

  • max time kernel
    144s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2024, 13:12

General

  • Target

    AS-2023-CS.xlsm

  • Size

    2.5MB

  • MD5

    9acd26176423fd95bae030ae9f154548

  • SHA1

    272cebdd8a63e7963034fe41a369b00980b83a7b

  • SHA256

    b9575221797dae0ee2baa74764e906e4ad2988b0bcc6ecd782060584c4c8c2ee

  • SHA512

    dff7f59824cde97aa2247e78931f6e1eb7cc1e44d7fcea61d05c49801a2b68aee88afe0c1461cb9650692279418c4ed7e9624a37fa8d30527f64091b4bc66170

  • SSDEEP

    49152:jElG/iKauN5zHSmsxxbIxNumYXn1z4xgRyvYNNVNcyVQhzr:jEo/iW77FsXbIxwmY4OVkH

Score
1/10

Malware Config

Signatures

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\AS-2023-CS.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3024-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3024-1-0x0000000071DFD000-0x0000000071E08000-memory.dmp

      Filesize

      44KB

    • memory/3024-16-0x00000000093D0000-0x00000000097D0000-memory.dmp

      Filesize

      4.0MB

    • memory/3024-17-0x0000000071DFD000-0x0000000071E08000-memory.dmp

      Filesize

      44KB

    • memory/3024-18-0x00000000093D0000-0x00000000097D0000-memory.dmp

      Filesize

      4.0MB