Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 00:20

General

  • Target

    8935815167afddb6f24cf83ea64de5f42c3210d4537102660ffd675de40a79ef.exe

  • Size

    80KB

  • MD5

    359ff2287796ab7e5ebd1e79071d707f

  • SHA1

    9d34f2e391e005c8f20b4c79ebb1da2b5ffccfd2

  • SHA256

    8935815167afddb6f24cf83ea64de5f42c3210d4537102660ffd675de40a79ef

  • SHA512

    2050cac9a7f988f4898ff168f29bce3b8d7d909f18b8b510de1fe1bbc15ae2f74521f74e6f9a05d7f81e6d6f0544ce3afc0af184c5e0d00621d4c6cb544bdc4f

  • SSDEEP

    1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8xJJMJJ0:+nyiQSoe

Score
9/10

Malware Config

Signatures

  • Renames multiple (661) files with added filename extension

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

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8935815167afddb6f24cf83ea64de5f42c3210d4537102660ffd675de40a79ef.exe
    "C:\Users\Admin\AppData\Local\Temp\8935815167afddb6f24cf83ea64de5f42c3210d4537102660ffd675de40a79ef.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2904

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.tmp
    Filesize

    80KB

    MD5

    90a6b9243be711f816973a2331314940

    SHA1

    244600a9ba983d484ac7e6452c5f949070f9f425

    SHA256

    ba54a4cd72ece78cde0904150ee29a12e6b910fb6f4a5505eb15eabf20f881d7

    SHA512

    656b9a47072d09634bd37ad9e8ddce21cc3a0abac290f2cc3e2cbfcc148310279f120e9fc9860084ce8a2b2d0712000259cb50320cbf2f65d773d2391c2d83b3

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

    89KB

    MD5

    a5323aaeac57c42fba9f57d570e84697

    SHA1

    7cc634f23cbf52177c0b7443f7d9525e58a04d2f

    SHA256

    8af89f18a8de218383d776d90a7a48b378392d3660f26b2fadf22e4086f7dade

    SHA512

    ca96497c0a798d031ff88623a1e6ff9266ad87bb8082f9623b50df6814c2ce3dac706b2d377cc60831cd0fdfffccede204810c670ecf334a3fc291a60c185c34

  • memory/2904-0-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2904-70-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB