Analysis

  • max time kernel
    121s
  • max time network
    131s
  • 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

    SWIIFT_221036299-043825-sanlccjavap0004.xls

  • Size

    1.0MB

  • MD5

    26e0bf9119180baa0ab9d4e7d2266df5

  • SHA1

    94d11a67e0000051bc8bc484c720d073f4dacbee

  • SHA256

    90bb2c755b155a326d01efdde09d05ed077c66c36fe7cfc18478cc79b808160e

  • SHA512

    cc3fa799f8d5eee356758bbdf942cc5a4035e5b7dc08be47df87567469529d19efb88dad0a1cfedc81467613cc65c716eddb5870e387364b5ffb2337527d366a

  • SSDEEP

    24576:gWQmmav30xDZyRw6Vq6NINZyuw6Vu6Nkdrkb+zUT45NKQav:1QmmQ30bd6VDsq6VPB+gTwa

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\SWIIFT_221036299-043825-sanlccjavap0004.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2428
  • 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:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\202D6694.emf

    Filesize

    1.4MB

    MD5

    a01b9617553432807b9b58025b338d97

    SHA1

    439bdcc450408b9735b2428c2d53d2e6977fa58c

    SHA256

    7a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce

    SHA512

    312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\D127FA16.emf

    Filesize

    12.7MB

    MD5

    ce46079ac636488648cd8628d71163c6

    SHA1

    eff17b2ffc7c0d788dd2217b50b65b17d25dc6a0

    SHA256

    fca3cbb4917daa54e0175bebe47a38c8bf175106ff7a5b336ade684f347a4ccb

    SHA512

    d43dbcd2167cf125d854d57682a8b4e468cce12edad47fbff70486fcdc271a213ebca0f593239e0f2e59b8c6c92e1c54c4aab262ecae0e2d7d5576876ec25233

  • memory/2428-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2428-1-0x000000007267D000-0x0000000072688000-memory.dmp

    Filesize

    44KB

  • memory/2428-7-0x000000007267D000-0x0000000072688000-memory.dmp

    Filesize

    44KB

  • memory/2428-12-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2428-23-0x000000007267D000-0x0000000072688000-memory.dmp

    Filesize

    44KB