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Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    08/08/2023, 18:05

General

  • Target

    9f98445aee1b8b0538efb03bac801b51a61bc955d34847ab76fc9353ec7cdefcxls_JC.xls

  • Size

    1.7MB

  • MD5

    975ed2bdc3ce34050156fa02c18bc8f5

  • SHA1

    db9aeb2a56b682271ba6725f891a9f48b834cb96

  • SHA256

    9f98445aee1b8b0538efb03bac801b51a61bc955d34847ab76fc9353ec7cdefc

  • SHA512

    e0938c22f2667c3d09da2797a13e7424c62104a9283c34cf4df5950dbc925ec0c3d0251f49bf58a2dbd919f715fc5c353805207414a3ff8b817158341080f717

  • SSDEEP

    49152:bQmmQ30Pupp6VVQmmQ3085l6V8iNhv3tVfXCnSgk6+ib:bpmQkPamVpmQkKm8MhHCA6

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 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.

  • 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\9f98445aee1b8b0538efb03bac801b51a61bc955d34847ab76fc9353ec7cdefcxls_JC.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1424
  • 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:1176

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\47CC8CDE.emf

    Filesize

    1.4MB

    MD5

    a01b9617553432807b9b58025b338d97

    SHA1

    439bdcc450408b9735b2428c2d53d2e6977fa58c

    SHA256

    7a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce

    SHA512

    312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee

  • memory/1424-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1424-55-0x000000007244D000-0x0000000072458000-memory.dmp

    Filesize

    44KB

  • memory/1424-63-0x000000007244D000-0x0000000072458000-memory.dmp

    Filesize

    44KB

  • memory/1424-69-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1424-84-0x000000007244D000-0x0000000072458000-memory.dmp

    Filesize

    44KB