Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 12:12

General

  • Target

    179c4f10bda1d4f31c5f77dc79054c23_JaffaCakes118.rtf

  • Size

    56KB

  • MD5

    179c4f10bda1d4f31c5f77dc79054c23

  • SHA1

    3ef79b4dd8a089e33d5b1f3c108de3be37d19412

  • SHA256

    fda0157a827cba47cf3209b4a2533215b20e62a24b32ae691705e1d55d302a36

  • SHA512

    22fdd71f7ea97bfc9c451fd27234d9aae79b09d2082cc935387ba5634f70f783d43f477e0af31dc927668aee37f9965be75a377470c73ff57fabdaef5d1771bf

  • SSDEEP

    768:S3W0X3W0A3W003W003W0b3W0b3W0b3W0b3W0b3W0b3W0b3W0I3W0X3W0X3W0X3Wv:SxqaadddddddmxxxNnU

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\179c4f10bda1d4f31c5f77dc79054c23_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:2876
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2828
    • 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:2548

    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

            04c50b3d1acd60f11af3658f0c6e6ece

            SHA1

            057c8f952d60754537f0ae9490efb4a4c1c69e8a

            SHA256

            aac88d18185760913ab0241da9285c893489a5a60666e430056fd5dda51760c1

            SHA512

            1705ff0901856a993b6a5406bb8d616b4d80d875277a279c8b535c99f228dfda9786cfa2df783b60e148d689095d2374902f21a795cfe45b521e6ca4fe411b2b

          • memory/2876-0-0x000000002FF01000-0x000000002FF02000-memory.dmp

            Filesize

            4KB

          • memory/2876-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2876-2-0x000000007113D000-0x0000000071148000-memory.dmp

            Filesize

            44KB

          • memory/2876-13-0x000000007113D000-0x0000000071148000-memory.dmp

            Filesize

            44KB

          • memory/2876-34-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB