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Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 04:41

General

  • Target

    18a942800e19f651c6b2b047fcd96f54_JaffaCakes118.rtf

  • Size

    12KB

  • MD5

    18a942800e19f651c6b2b047fcd96f54

  • SHA1

    422c2222fbc390060e4dba67cd6cc6b9058bbdd7

  • SHA256

    a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da

  • SHA512

    44b37c34ef16a0dffb1cf3e837e0462db994a44f19036744c9628f8be10c3d1194b8e3352a6fbcada79d9dd3172f29beb3ff9f61d7ba8b00e172473102084f71

  • SSDEEP

    192:Uf8ZLfAfRH3NgFPOKiyfItd8NizpancbmJHDO/00kmixJmm62FphsnXzgW:UwzoRH3MNnfIOizpoHSq6tXzf

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • 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\18a942800e19f651c6b2b047fcd96f54_JaffaCakes118.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:1624
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2492
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Launches Equation Editor
      PID:3068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      eecb0ca186d2d69a3e92306c503528b5

      SHA1

      2459ba7704a8d563e328ec8d63a462131a8646f8

      SHA256

      26750138dbd4ea8881198fdd2d4f8cb8a7f9d450080ebcaf5c1b46231cef5f28

      SHA512

      d72f78026c29097eb444650e57c6087297e9798e3ad7ef2c55c9be311fd8e03d381c86d88675c836c61ec6ce88dcf40480350e83886b03a3380a1ce95a1c2f5d

    • memory/1624-0-0x000000002FF21000-0x000000002FF22000-memory.dmp

      Filesize

      4KB

    • memory/1624-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1624-2-0x0000000070F9D000-0x0000000070FA8000-memory.dmp

      Filesize

      44KB

    • memory/1624-12-0x0000000070F9D000-0x0000000070FA8000-memory.dmp

      Filesize

      44KB

    • memory/1624-30-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3068-5-0x0000000003D20000-0x0000000003D21000-memory.dmp

      Filesize

      4KB