Analysis

  • max time kernel
    101s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 23:52

General

  • Target

    f1337be32ef59e14dee706d55b05c1fd57601a5727402f64b50b116f66b90ea3.xls

  • Size

    1.1MB

  • MD5

    1daf4b9978fa7a9853f5e1942077fefa

  • SHA1

    19b284f7a3f42bc2458c598564d009ee5d0fa3c5

  • SHA256

    f1337be32ef59e14dee706d55b05c1fd57601a5727402f64b50b116f66b90ea3

  • SHA512

    812a78255872b85f18e3a975670201cccd313913fc08ea2238cd63548ffbf3748a3e64e734e04780d46ab7b856dae4b69f4ed0ad98be27f402c526c728d31348

  • SSDEEP

    24576:u7xr5XXXXXXXXXXXXUXXXXXXXSXXXXXXXXmm2r5XXXXXXXXXXXXUXXXXXXXSXXXp:XMjJ3Y

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\f1337be32ef59e14dee706d55b05c1fd57601a5727402f64b50b116f66b90ea3.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1052
  • 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:1608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1052-54-0x000000002FDC1000-0x000000002FDC4000-memory.dmp

    Filesize

    12KB

  • memory/1052-55-0x0000000071431000-0x0000000071433000-memory.dmp

    Filesize

    8KB

  • memory/1052-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1052-57-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB

  • memory/1052-58-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/1052-60-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB

  • memory/1052-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1052-62-0x000000007241D000-0x0000000072428000-memory.dmp

    Filesize

    44KB