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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 18:15

General

  • Target

    aef8414f1422fa21b0209def99e5db66_NEAS.exe

  • Size

    378KB

  • MD5

    aef8414f1422fa21b0209def99e5db66

  • SHA1

    23a61b0ebdbf9492523879e09d5f894ac34e92d9

  • SHA256

    2d73a1fa8b61c47e53cf471899bdcf7399f062a8c050aa25af2c04a886d58088

  • SHA512

    6c930c97215a39eb774cf616e61b07f260706ccf30ed7cfb0fcc84304b62b276f1b8d56389ff81fb5cc097d59591652cb8d35ee831c00f2c3ea53f9a0d43ba53

  • SSDEEP

    6144:tFPxPke+eIr9RUxfKIuqBcKxNWdp+bkrdHs1lpaSL4vtFVHPyvewDpgs5hBhv:3PxPir9RyiIuGcKbpaSL4vtFVHPyvewf

Score
9/10

Malware Config

Signatures

  • Renames multiple (4191) 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\aef8414f1422fa21b0209def99e5db66_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\aef8414f1422fa21b0209def99e5db66_NEAS.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2616

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-17203666-93769886-2545153620-1000\desktop.ini.tmp

    Filesize

    378KB

    MD5

    138359e77391bd4d6a9b2725f173c4dc

    SHA1

    cb9fe6e336ad006a5b905e9a8b16880d45b5ebcc

    SHA256

    b9127b5284efc855b680915771fd5b47b2c2d1b40bc6b9737ad5db91ddb6a5f8

    SHA512

    881b811cf8aaac6de3ef7abdcc0f0d3a3843207874bf321b2fd605f6d600ee70b99c515ee78d1767dd319a039dde5901fd83b4cb370f7780d93299e66b42ce71

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    477KB

    MD5

    dabec85162f316630864d30d0aebf777

    SHA1

    f873713da36073ced7a6722606a7fadffe2a875a

    SHA256

    99ee47b55d35621383354d60cefbb4f30b6ab99b569b057934a0a623c16b4dc8

    SHA512

    0f38428e5e9b7bbaf07a153a988aa1b95e8001d770da720a6f9ff518b983b5301a7e26b75a6bbfe96331ed08817f7523950f2438bbb39ddd1e87bee9f34b4a54