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Analysis

  • max time kernel
    155s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    11/11/2023, 10:21

General

  • Target

    NEAS.fef508f457c7bd3091fe075a6e7b0293.exe

  • Size

    77KB

  • MD5

    fef508f457c7bd3091fe075a6e7b0293

  • SHA1

    e6db08bc8efbb163eabade0e72d6b5d55e954e68

  • SHA256

    e34bdab1d9b8ede50c6dfc9fa9ead4e9b194200c6287665f3c2b9baa353c0801

  • SHA512

    39117dc6022e4792adb6ae30d9211ad25ccdb37adf075f0dade097fb35251117bb4297050085e0ee8a999205595dee6aab85905a843f6723b042d7e45d7a419b

  • SSDEEP

    1536:W7Z2sspApkZrZnZrZHZrZ1iqktYtlXGkR2SfXGkR2Sg:62ssWpQXGkR2SfXGkR2Sg

Score
9/10

Malware Config

Signatures

  • Renames multiple (606) 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.fef508f457c7bd3091fe075a6e7b0293.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.fef508f457c7bd3091fe075a6e7b0293.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2564

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1154728922-3261336865-3456416385-1000\desktop.ini.tmp

    Filesize

    77KB

    MD5

    df543f1542e2489e1730493086cf9d88

    SHA1

    1cfd18964543a4d01e0afaa36224ec7fef9b4f36

    SHA256

    db21b2a9f6cc0205d60caa17b54ddafec26ce0c747df03e75fdbcd3f6b5ebb66

    SHA512

    f19a3df2c352185d2def595318db0a286ebf739821edfd61c99464bb4f85416ea098829b01aa28312b93feff00f24cdaf53732860bcfd93fedce925744f29344

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

    Filesize

    86KB

    MD5

    cbfea79592f1fe2e25add953f7aaa5bc

    SHA1

    b032c263da2cd189017f9b810e1dd586a9fe8cd3

    SHA256

    4c85aca18e7f3a0a1d280e8461cd43ab10f5347cd966f5f426857ab2228e19a4

    SHA512

    a1151656f04f6ddb271b87dc2b8461356d2a67c9ce15904df8e907bb0b894e4051093c1b5a387b8f604f9a24bab96cbd91e8b2f140ffd662871bed416c677e5b