Analysis

  • max time kernel
    103s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2023 20:33

General

  • Target

    12016519Delivery.xls

  • Size

    201KB

  • MD5

    a136d20fd580ed8415b2ed8f32b98d98

  • SHA1

    9de1fd1498849687dd487bc3f530b5059bbc60ab

  • SHA256

    1ff963a0f08d4eb4fe9096e53dc103869e3ef9309306a238fd030d813a12b582

  • SHA512

    12be65b3080ebd8c038d117da6212f89c9daa0521bf72bc4ea434ae086bbc1b73431accb9ae163b2a67505d406e458a757f5359d26f5c9a0a03f80580b822042

  • SSDEEP

    6144:IZ+RwPONXoRjDhIcp0fDlavx+W26nA2i0v//u:EX

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\12016519Delivery.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1364
  • 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:1400

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1364-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1364-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB