Analysis

  • max time kernel
    151s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:26

General

  • Target

    Ҵֱ20%ϵ/K4һθ¥һ-20140331.xlsx

  • Size

    14KB

  • MD5

    7a9337c31801829801a391b601e1edda

  • SHA1

    fec5b53213460af278a7216435490a2e88a516c2

  • SHA256

    4bc7ba480cf0d23b8b198773a7fe71bbfddf2fc453c1f98ee175e10e9268d64a

  • SHA512

    bc29ba9d204cdef049a3c7ad8b07e7239bf90d581aadc367c3076e0ef14f9eeaad9bf8b582d73baef55164fc6a9bd706774177efec2987b8b6edfb523a2635d7

  • SSDEEP

    192:8kuQY0yHzgnazzSn6cDT2M63ZoH2USGMHJkeulNOiwuAQfmsiJlBACuXcaN/:z7yHzgnEzSn6cDTjtMHJzdiwHQufwcG/

Score
1/10

Malware Config

Signatures

  • 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 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\Ҵֱ20%ϵ\K4һθ¥һ-20140331.xlsx
    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:1956
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1760

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1760-59-0x0000000000000000-mapping.dmp
    • memory/1760-60-0x000007FEFBC61000-0x000007FEFBC63000-memory.dmp
      Filesize

      8KB

    • memory/1956-54-0x000000002F5F1000-0x000000002F5F4000-memory.dmp
      Filesize

      12KB

    • memory/1956-55-0x0000000071451000-0x0000000071453000-memory.dmp
      Filesize

      8KB

    • memory/1956-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1956-57-0x000000007243D000-0x0000000072448000-memory.dmp
      Filesize

      44KB

    • memory/1956-58-0x0000000075B11000-0x0000000075B13000-memory.dmp
      Filesize

      8KB

    • memory/1956-61-0x000000007243D000-0x0000000072448000-memory.dmp
      Filesize

      44KB

    • memory/1956-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1956-63-0x000000007243D000-0x0000000072448000-memory.dmp
      Filesize

      44KB