Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2023 02:23

General

  • Target

    Vendor-Taxability-Assessment-Form 2023 version.docx

  • Size

    151KB

  • MD5

    acbd8378b535c759e0773fed48832cc4

  • SHA1

    7b97377622edebafb53ccde469f4c393b4c01659

  • SHA256

    0cc968cca6fae371dc7789badfa91a658e686c317e015351d812d9451c293638

  • SHA512

    6ca4ea0b8dff05806ca698931ed1dde49c46c97f4820a389e39a03e1d14cc4a5bf326f2670a5e58cb3541acdb92011d427db32e7310252d29fb6ac012fc9f75f

  • SSDEEP

    3072:qSu+PiiT4ryEpMnRPmLmEpMLRPmL3EpMoRPmL8EpMFRPmLVEpMGRPmL5j9EX4imM:q+KO4Q4jn2c9FvOL

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Vendor-Taxability-Assessment-Form 2023 version.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1436

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      6d845388da5cdba5660560fc8dab0401

      SHA1

      25bb3249f76574a1c66bf27e9a5745ea59057396

      SHA256

      18e6f20dadfada89b741d803cd27c1e2393ee3f017b5f559b83b973875a7d178

      SHA512

      55504b89d84786e9525e68a62dba5df5f44d631e3fe0688ea6b4733261739b45b040089a93624da26e12ffdbab5394a2faeb392bd3d3fdb3ee47ee615f17287d

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2272-0-0x000000002F570000-0x000000002F6CD000-memory.dmp

      Filesize

      1.4MB

    • memory/2272-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2272-2-0x000000007177D000-0x0000000071788000-memory.dmp

      Filesize

      44KB

    • memory/2272-13-0x0000000001D70000-0x0000000001D71000-memory.dmp

      Filesize

      4KB

    • memory/2272-26-0x000000002F570000-0x000000002F6CD000-memory.dmp

      Filesize

      1.4MB

    • memory/2272-119-0x000000007177D000-0x0000000071788000-memory.dmp

      Filesize

      44KB

    • memory/2272-137-0x0000000001D70000-0x0000000001D71000-memory.dmp

      Filesize

      4KB

    • memory/2272-161-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2272-162-0x000000007177D000-0x0000000071788000-memory.dmp

      Filesize

      44KB