Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 11:31

General

  • Target

    87a536bb18a0844ab16188bbe724a670_NEIKI.exe

  • Size

    90KB

  • MD5

    87a536bb18a0844ab16188bbe724a670

  • SHA1

    1952613dd2d5eb4ea3c6f526d4d5b908bd52c806

  • SHA256

    adcbee0b2c530c6c347e00ebab05f4cdf17e70b75da5f3f726402d4177d759b4

  • SHA512

    e780601089b7e5c502cf604b24fac9bb86aed13cac7542f0c20b9d855d70b72b8deab987e44ecdd766004d9195d245bcb6718b244159b3004e46335a03ce7bd6

  • SSDEEP

    1536:W7ZrpApojOPG0PGQJwFJwkpe+eTDPfFpsJOfFpsJCAdCjHKPNJ8/8wr:6rWpcOPxPke+e3fFpsJOfFpsJbgEEkwr

Score
9/10

Malware Config

Signatures

  • Renames multiple (3562) 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\87a536bb18a0844ab16188bbe724a670_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\87a536bb18a0844ab16188bbe724a670_NEIKI.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1280

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini.tmp

    Filesize

    90KB

    MD5

    19dbb575154a8777409e5cf7efea6602

    SHA1

    ce2f75930c4a5f18c70c1cb4ae2e339415f089e7

    SHA256

    af360c91c338c5680b3692a84cd9491439e404cf5e1643853f2ca03d308c5a47

    SHA512

    bb22e11b9eeb8feae87e7070f1c2e91ff8687080ed462ac04bc24783d43687b9e6c5a3f642fcf6b33ba26694f566d7e07762ea279304fcea8844a12c8fd877b9

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

    Filesize

    99KB

    MD5

    b0cfec90e46a567efe7b8c0cd10f7289

    SHA1

    8fa3ef5d302cb3c7cf9b5036014377381071df61

    SHA256

    f21ed43fd41b9b75f866afda04cc18c9034f43d2a2a3d1d5d6ac30b1854fcb4e

    SHA512

    dde5ca0533d9ab5e0124202de548c80d4673fae189002b1816057f2628add325998a93812ceb46d5e099c5bc4ff66cff7247fc4c17b9dd0f7c4f680490f1818c