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Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 16:31

General

  • Target

    a2014995e9ce67664623cfa9ec11f70e_NEAS.exe

  • Size

    123KB

  • MD5

    a2014995e9ce67664623cfa9ec11f70e

  • SHA1

    f130d190cd24c79f83b27eb19f4719a045a9447f

  • SHA256

    371eaec82f354d321ab0db31270579d060cd4197545c664e06fd2d3df187d1fc

  • SHA512

    0cec964c5a4d6947527e797159ae070a0509e032f0939340d7a45680ea7fa2a07f4925c9fe717290757aff10920d4f03808c1ab44a88090a7c1be6596bea381b

  • SSDEEP

    1536:67Zf/FAlsM1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSC9:+nymCAIuZAIuYSMjoqtMHfhf7H0WH07

Score
9/10

Malware Config

Signatures

  • Renames multiple (3435) files with added filename extension

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

  • 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\a2014995e9ce67664623cfa9ec11f70e_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\a2014995e9ce67664623cfa9ec11f70e_NEAS.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2340

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini.tmp

    Filesize

    123KB

    MD5

    eb2b40353b20a8b3831df2cc86e73ae5

    SHA1

    577600adee169ac40fe51159a034539da474dc05

    SHA256

    d746cc82c6fbbb8690480120d7ce56083e6651b5147bc034892d11b3b268fb40

    SHA512

    ea21c15c9c17525b9e88991ecf2a58ed7cbf80fb10c7c7b111ff975957c8895cf670588a76680e35aaf8e5a712f76431c12a80e002d17cf831e66cef6a35e447

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

    Filesize

    132KB

    MD5

    257484d2f41e6502d57b91c5f646fe88

    SHA1

    cb4a2404df43d61840b1a7eb3c69e91756c39b47

    SHA256

    7712307b0a12b4ea10b9dd213f821d507753c7cc5d52d28ec557441a125d9fd1

    SHA512

    ea45fec2cd5793f078bcc08c4823ed11962f4803f2fe121f412e709d604d072d6415a4ca437e7365fc588920f65e24b9fe0eb1e6c929e66374907ecdc0a17ac1

  • memory/2340-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2340-642-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB