Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 20:05

General

  • Target

    originalfile/PlugX_RTF_dropper_42fba80f105aa53dfbf50aeba2d73cae.rtf

  • Size

    507KB

  • MD5

    42fba80f105aa53dfbf50aeba2d73cae

  • SHA1

    a49b135a66afba5713936d4758ca5d40f19b9e71

  • SHA256

    ac7d02465d0b1992809e16aaae2cd779470a99e0860c4d8a2785d97ce988667b

  • SHA512

    b42b529585da21bae4d36fb1e9b5f2471e77d87505db91f8859068816d355fdd8b4aaaa922512a8a39259b247b9aeaeba92cfb0ab5140122f83dd163b8ed00cf

  • SSDEEP

    6144:h5LReC+jODUJ6aCujPjtNbShm6YNYa2Zg3:h5o3jOU6aCCtw8p

Score
4/10

Malware Config

Signatures

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\originalfile\PlugX_RTF_dropper_42fba80f105aa53dfbf50aeba2d73cae.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\38D50E83.wmf
      Filesize

      642B

      MD5

      4f03b86e4d6631c26ff5fffc7332be1d

      SHA1

      14952a78ea51df67d5b5b6c6b4de3d96ba7935bd

      SHA256

      83f4ea26254d69825486bffd1d400217aac7245c5c48fe5acc3ccdea173c4851

      SHA512

      4bed29b66444d826e89589b55dd786758ff68fcd2daf8296703d4443edb991fffce563e20db22bfb34fdb488638bbb43252392b6c105d12e721329adc2774632

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

      20KB

      MD5

      ebdeaf38cab0a23f5dae022c6058306a

      SHA1

      b6d10e7fdd0314d2a4e8ba2f7da61e24bd0801f5

      SHA256

      69270a13e3ea725de0eb20ef721ab6115050992ca28a1df04bbd3e90546bd263

      SHA512

      0c96caa95d62784a7eae4718fdbee66dabc6e10eff266ef2e3424eab68029383afc60203e63c96b125f6b27fde9b94abb89a54ed1e1200e7450afd3ba274c163

    • memory/2420-0-0x000000002FE91000-0x000000002FE92000-memory.dmp
      Filesize

      4KB

    • memory/2420-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2420-2-0x000000007169D000-0x00000000716A8000-memory.dmp
      Filesize

      44KB

    • memory/2420-19-0x000000007169D000-0x00000000716A8000-memory.dmp
      Filesize

      44KB

    • memory/2420-38-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB