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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 03:50

General

  • Target

    NEAS.5b83e0964251410fa730051e3c5fdda0.exe

  • Size

    163KB

  • MD5

    5b83e0964251410fa730051e3c5fdda0

  • SHA1

    4cdc2a561af74bfcd1bad18f7cd7fc399afad467

  • SHA256

    ddb2653400d36e32157171911b98bde74cffec64b6029172bea2bb5c94363cbf

  • SHA512

    5a1b0ba2125543dd12b31859660be9321e54c29e886968b96c0e50daf791d67b7533045bb5c29ba97b066a7bc49eb77e11c46c89c4e06da21508952ce2e25b38

  • SSDEEP

    3072:6e7WpHIyRF9ESWu0SWuDmSXrw3Mtr0srI798Qr:RqlIyFESWu0SWu2sG98Qr

Score
9/10

Malware Config

Signatures

  • Renames multiple (325) 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\NEAS.5b83e0964251410fa730051e3c5fdda0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.5b83e0964251410fa730051e3c5fdda0.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2232

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3618187007-3650799920-3290345941-1000\desktop.ini.tmp

    Filesize

    163KB

    MD5

    71a9bd8f2fba9d6548279b9a94d683e4

    SHA1

    5828af9f15aab8d439a02394166accfacdf1f9df

    SHA256

    9677fb47f036bea1e98208d0dfe45f76de77de75051895daa2b02ed4e4d802a1

    SHA512

    d9868caec250dff7475e152ff57ba8763b0c9b677b7dd57da25199ce728ded757d81b705b61a509102ae6dd5edbba184997d41478935734da961eb3745c24362

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

    Filesize

    172KB

    MD5

    29a86a7a09b296776d94563b9499b098

    SHA1

    9f818c9d41de16ffb6372693e460842e2e2d3d5f

    SHA256

    97c51f72d1e7136a2313b878a47e21dc6f53809e57fd35ed8c37ce223ffbe389

    SHA512

    737da2a246301f1311ecc1c923ee842287cd8b271241d6b9b4e07ae39b160c09c5166c0580467f9acec9e9bcb60bfe2d6485bc6928f186b4e196e67f28d5cded