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Resubmissions

13/10/2022, 13:23

221013-qnbm9sfec7 8

12/10/2022, 15:11

221012-sk4wraghb3 8

Analysis

  • max time kernel
    106s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2022, 15:11

General

  • Target

    789ebd10ccdc00708b278f28b73b9f357ddac7192400e9011c6ec9f40ee4e6e0.xlsx

  • Size

    225KB

  • MD5

    5d6acad3be95430ee086905b478f6678

  • SHA1

    4c0860fb30f985dbb07b9f0d9c6b5a4b6b13fdb3

  • SHA256

    789ebd10ccdc00708b278f28b73b9f357ddac7192400e9011c6ec9f40ee4e6e0

  • SHA512

    af051d1f9bd3a41c976abcebf7c2a6fd57805108f4d29c284a04128d7676c3d36fdd011a3605e91392d18e5497034b29e3b3b90501ca899c12b603067b8c86e7

  • SSDEEP

    3072:aPV/RnssLllavxGoT7loqmSlZpq5AK+3YyIjVSpN6ozUBO/+bFiiE0ijTnRYxjek:SVZssLzawGrrudjVSpvybFNFmjujeK7J

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 FindShellTrayWindow 2 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\789ebd10ccdc00708b278f28b73b9f357ddac7192400e9011c6ec9f40ee4e6e0.xlsx
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:580
  • 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:1500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/580-54-0x000000002FF71000-0x000000002FF74000-memory.dmp

    Filesize

    12KB

  • memory/580-55-0x0000000071431000-0x0000000071433000-memory.dmp

    Filesize

    8KB

  • memory/580-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/580-57-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB

  • memory/580-58-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/580-60-0x000000006C801000-0x000000006C803000-memory.dmp

    Filesize

    8KB

  • memory/580-61-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB

  • memory/580-62-0x000000006CB31000-0x000000006CB33000-memory.dmp

    Filesize

    8KB

  • memory/580-63-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/580-64-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB