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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 20:46

General

  • Target

    757ba809c0b83b89f92b30e5fc6705b4.doc

  • Size

    44KB

  • MD5

    757ba809c0b83b89f92b30e5fc6705b4

  • SHA1

    b90fb7d03c0f76d6bc1560c1048d3a390e1a5ed8

  • SHA256

    f27c366481fc919c03df89ef8eba21c38cdb5f77ecdcd948ae6fe7bd15e4f415

  • SHA512

    e43eecd6ff50ca02653d4c00a5b85e1cc79da698acfc76ceb7608baf7ea5435c396e88daf178b310dba9aabe483dd20fdc5527074ed178dbc5c5cecbfa3b49eb

  • SSDEEP

    768:EnpoLURbKT7cDviry746UDuvIx3WnNXr02KP5YQgM:EnpoLUy7cDviry746UDuvIx3WgRYQgM

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\757ba809c0b83b89f92b30e5fc6705b4.doc"
    1⤵
    • Deletes itself
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\757ba809c0b83b89f92b30e5fc6705b4.doc

      Filesize

      52KB

      MD5

      334776fd97e2724665a05e3d828c0775

      SHA1

      ace24c4d05e0c0f56eb0e5d66b2e937997da3b78

      SHA256

      4748e7981b296e608f239f0c00f1487aede10542dc48f2fca259727ad62215a9

      SHA512

      195a020386873c7745304f44f878b88443db368afe6a3c488f30106c73e21e8e899795cb04113bd505280efb1df3ad4d6f8d5b378c95c7767b2a00a05c87fe2e

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      28KB

      MD5

      98e698bde2441b18478f762d1fe9ddae

      SHA1

      ac3464029729bf4e6b6bcd476c6c58a852ee24d4

      SHA256

      6b7131087294b513514cd15582b4836ecf02ce0d9f329a72f1fb39ea8e8c57ef

      SHA512

      631fd39843cf35bc118dce9b247ab9e44118ced2be5dfaa715af8d089a46c40f39a8e5147e0e24e91a64effdd65dd1c1206026ddff29e3c464bb98c3e50eee33

    • memory/2960-17-0x0000000070ADD000-0x0000000070AE8000-memory.dmp

      Filesize

      44KB

    • memory/2960-22-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-6-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-8-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-10-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-9-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-0-0x000000002F7A1000-0x000000002F7A2000-memory.dmp

      Filesize

      4KB

    • memory/2960-18-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-19-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-7-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-23-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-21-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-25-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-24-0x0000000000350000-0x0000000000450000-memory.dmp

      Filesize

      1024KB

    • memory/2960-2-0x0000000070ADD000-0x0000000070AE8000-memory.dmp

      Filesize

      44KB

    • memory/2960-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2960-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB