Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 02:20

General

  • Target

    7f31a34f71ce53f93ad934a8c3a24eab_JaffaCakes118.rtf

  • Size

    7KB

  • MD5

    7f31a34f71ce53f93ad934a8c3a24eab

  • SHA1

    ac2bc9d8275253019744e38bd555d704df6551a0

  • SHA256

    059b6c5e2389f286282750bcfabbbbb8683c2009a73c1e23bc349bc38457fcf2

  • SHA512

    780f72fc9a387560dcca18274b7b2fd1e97c8adcb631e3d3f89a37350d4fc435717e0d75c52bb15198232c93b75d346719128aa89e39d438802a56001548b8fd

  • SSDEEP

    48:/+ZiYEENMBcvWfFIWvjNPUsWJ4Ms5UkHSChzND1G8mmEWCLENF39yUz+oauLJ3VZ:93mv4F3vQvKy85DqzL+59jNpLIOTGCF

Score
4/10

Malware Config

Signatures

  • 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\7f31a34f71ce53f93ad934a8c3a24eab_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:2068
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2104
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Launches Equation Editor
      PID:3000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      5fc3011c75109560334983fdb32e3573

      SHA1

      db54a9b0a40f797c0d66ce48b97f9a4ca5a1857d

      SHA256

      0423105d6d851d9295032a9dd8e59d13d841de5c2aeadeb019e0ae88c4437bbe

      SHA512

      88e83986615525d0cca8c734c10b01b71a71f6bc5afdcb3ddfc687370b07b9b8edd2e88a861c7c24860b19a92adad41c94438c42fb7ae3428d5ebfb1285c08bc

    • memory/2068-0-0x000000002F4D1000-0x000000002F4D2000-memory.dmp

      Filesize

      4KB

    • memory/2068-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2068-2-0x0000000070DDD000-0x0000000070DE8000-memory.dmp

      Filesize

      44KB

    • memory/2068-11-0x0000000070DDD000-0x0000000070DE8000-memory.dmp

      Filesize

      44KB

    • memory/2068-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB