Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 22:13

General

  • Target

    Purchase Order.xlam

  • Size

    667KB

  • MD5

    fca938ca93fe7c8f92bdf23c9a5a54c9

  • SHA1

    86019616b0604f4b3e7b60c25da443fdfeef14a9

  • SHA256

    6f721e74a6939cb9ed228e6c02a4804d330b64083e4efaead5be2f658bf1282a

  • SHA512

    b30f44f5a294a8f4941d9fe6d34787850352989d6b202880bff14e7b9f8e783e70371e4dd430f74a863153c5e4e5e072a5bd9bd0093aee0720dbd71d51da1092

  • SSDEEP

    12288:sLz1nM0wPRWr3E5gtgyD4fys7IjxKsu7GkTw2aRjlLyO5sx2SG+Y7:4z1nKRWI+t7057Wu7M9fuO5MY7

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 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\Purchase Order.xlam"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2456
  • 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:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2456-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2456-1-0x000000007248D000-0x0000000072498000-memory.dmp

    Filesize

    44KB

  • memory/2456-2-0x000000007248D000-0x0000000072498000-memory.dmp

    Filesize

    44KB

  • memory/2456-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2456-5-0x000000007248D000-0x0000000072498000-memory.dmp

    Filesize

    44KB