Analysis

  • max time kernel
    163s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2023, 14:50

General

  • Target

    Campus\Exe\_Install\GestCampus.doc

  • Size

    1.7MB

  • MD5

    5843841672533c302a2d595ba5042fee

  • SHA1

    3bcc24c3c094811da9067151c13fbfe3f197a9bc

  • SHA256

    5da8d58d9aa87b09982e41d1b1895577c7e8a19ca630d17b0dc8191087414f55

  • SHA512

    b77f8d357357ed342d337d3269c51d365356b35439f7a94544d8a4bf096a083b5d78ae69926fd12c4cee3aea14163ff54f62257789cc22c8c7f7436b1cb03587

  • SSDEEP

    12288:b6H19ZfKVpglimy78V83AcInLCazfv6eCbyKzo7r:K2gieeAcAfv6eLX

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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\Campus\Exe\_Install\GestCampus.doc"
    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:2688
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2748

    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

      101c01568d539697b04bbf6e6b29e646

      SHA1

      8dab70898663983d569bb6650d86d7933783d2da

      SHA256

      cdbb1c004819f82fbbb7f3f990bfd7c750df19620eb5984f2eba32a197a5a9db

      SHA512

      c8f4eb26197a538c4cf0de819a1506364fbf7f0814b3eae46da5b8254996eb5af1aeb8a0aabe84074e0fc10b5b59ad9ba5350ef6cf1111f6925a637de359819b

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryFR040c.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2688-0-0x000000002FFA1000-0x000000002FFA2000-memory.dmp

      Filesize

      4KB

    • memory/2688-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2688-2-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

      Filesize

      44KB

    • memory/2688-10-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

      Filesize

      44KB

    • memory/2688-38-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2688-39-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

      Filesize

      44KB