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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    03/07/2024, 02:28

General

  • Target

    bff6394b3aa239ebcbac4735b779da5b5fdf7ac94e345b9986f21c7f16e4b5c9.exe

  • Size

    62KB

  • MD5

    85df48a2b2dbc3f6173bcc6033545630

  • SHA1

    d6fb3821ed0d545988362e91b3a6b56d5f65aeab

  • SHA256

    bff6394b3aa239ebcbac4735b779da5b5fdf7ac94e345b9986f21c7f16e4b5c9

  • SHA512

    68b6cc94bb4087a2001c7e34146181d404c1a326e692727fddf79b6ecceff613c42a4ad41a54b86e2bf7f3ed6aa24928795890fc3311421d0ce3f9a23ed77c72

  • SSDEEP

    768:W7BlpNLpARFbhblkYlkuvIYFWcDYcDlvcYNnVvcYNnz:W7ZNLpApCZuvIYYoYoN7n97nz

Score
9/10

Malware Config

Signatures

  • Renames multiple (3738) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bff6394b3aa239ebcbac4735b779da5b5fdf7ac94e345b9986f21c7f16e4b5c9.exe
    "C:\Users\Admin\AppData\Local\Temp\bff6394b3aa239ebcbac4735b779da5b5fdf7ac94e345b9986f21c7f16e4b5c9.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2320

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-481678230-3773327859-3495911762-1000\desktop.ini.tmp

    Filesize

    62KB

    MD5

    dc1b2e0a7773dcedc53cda8edfce5802

    SHA1

    361cf1f4c612b7c4fdb3df1db090651d442d0cab

    SHA256

    b7032b16d09060622ad0320851a6cae172e7e0102bd0ee0fc4ad79f432ac0110

    SHA512

    37776bf147587edd879f707242d396de40e3fe6a2459df2d4171403bd5079e98c758763d23e556acc0a06caeb418979dbbb7058a05e01b07c1e1767178dc6369

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    71KB

    MD5

    742c4678e59ca894a5e1d28f6de33dfd

    SHA1

    ceb46c45a60ce2d31f1d59acee7eaed36e524c2d

    SHA256

    f8db57bbfdcde2704ed938b130c5770206d1bf9224751be594dc504bb5c7d474

    SHA512

    ad8ccbd36ca3aeb432a3fcbccbfaf4d46b15726718183760240d9873d7f2a178d87491e0f729979de8176583187e288257cac64ee8884ced10e1cd0626aa917a