Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 23:55

General

  • Target

    8269e1b36d5bec599b73509fcd767de2_JaffaCakes118.rtf

  • Size

    15KB

  • MD5

    8269e1b36d5bec599b73509fcd767de2

  • SHA1

    d884a7fd2cc71f66022cb5598ba6c1473183aaf5

  • SHA256

    f5c35a43c5379d705d3f1575a3859934261a87f27b669cc3ddbf6e601ba00abc

  • SHA512

    15e2f021cc20bf60e34048c7aed650e67f1965620fe9001259d368179acb1d60f503f189b8a2ef6d34cf6dfe3e48b83fc1b2ca53d49342ed8052e8f18902e004

  • SSDEEP

    192:XQhOZXOpulTne1EUWTCWs53h1Usql374GRRzwz3yDxMcKzEPSV6rY:2wgGntrs5/URd4GRREyDKpAPSVr

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 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 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\8269e1b36d5bec599b73509fcd767de2_JaffaCakes118.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2532
    • 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:3048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      f6266f641cdad0694f5e949a4456ac29

      SHA1

      79a3f0a8c3c7fb5b9c8128eff960eb3bed0a269c

      SHA256

      f2591db033d55a2c9008a81c2632689f36023237ef8febeac85b4ce44b6a6483

      SHA512

      fa7818c97e5e554bd87fc80109ce7cdf2d7e98d119b2da421bf4058a779abf6a4a3220acccef1491662825d0aecce87ba216520c0844c658dcda266793f0d4ba

    • memory/2768-0-0x000000002FC41000-0x000000002FC42000-memory.dmp

      Filesize

      4KB

    • memory/2768-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2768-2-0x000000007118D000-0x0000000071198000-memory.dmp

      Filesize

      44KB

    • memory/2768-11-0x000000007118D000-0x0000000071198000-memory.dmp

      Filesize

      44KB

    • memory/2768-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB