Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2024, 07:27

General

  • Target

    7c8243a5b0070156b0391c712026ab4b.xltx

  • Size

    17KB

  • MD5

    7c8243a5b0070156b0391c712026ab4b

  • SHA1

    3fcac62527c8a172ac403bc657337ff8012b6106

  • SHA256

    7fbae225eb5d5b6f784309592bb7cc7505bcaf0a8bd71650ee38cf28e0e2adee

  • SHA512

    c3ade683d9fb1e78e983163aae573ed690ef96a1907daadd0b4a29bbfc742771557039fdd7c9a71c5701c4cc1d8a28374f971d0224213b7472e209e9ef43a953

  • SSDEEP

    384:7+26HF4q7apdogs0XqYvEIl59nWPdLGHT7I+6Ld/jtiG1UOlvr:NU17cbBvEIlbEKz0L9Lj

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • 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 3 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\7c8243a5b0070156b0391c712026ab4b.xltx
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2884
  • 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:1788

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2884-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2884-1-0x000000007212D000-0x0000000072138000-memory.dmp

          Filesize

          44KB

        • memory/2884-2-0x000000007212D000-0x0000000072138000-memory.dmp

          Filesize

          44KB

        • memory/2884-5-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2884-6-0x000000007212D000-0x0000000072138000-memory.dmp

          Filesize

          44KB