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Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 00:09

General

  • Target

    a79c48cf06445940266124a7558aebf0_NEIKI.exe

  • Size

    156KB

  • MD5

    a79c48cf06445940266124a7558aebf0

  • SHA1

    6aa4b463ba231debb37f4816b974d7fb0d192d53

  • SHA256

    3bf266d062a52d012d498077f33aa7aa324f70535552979d23b8c730b382f30d

  • SHA512

    238ac1f46e808bb2c8f0e90221c7e3803fa5d11e99aba586c4952d35084f1255ceb1b079285ff2ff5526bb9e3b2c6454a4b41ec2d359139622ab20efe1817f1f

  • SSDEEP

    3072:1QmK6GEvn9Oa2tr2Y+Lysughilfzc1DZDXdns0blS8iVBXdqTEk05:SmKZG9q2RmCakNi0bvGXdqA

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a79c48cf06445940266124a7558aebf0_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\a79c48cf06445940266124a7558aebf0_NEIKI.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    PID:2380
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D04852F5-92CE-4E13-BC3A-1C63E19CAD1F} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\PROGRA~3\Mozilla\tbckyxk.exe
      C:\PROGRA~3\Mozilla\tbckyxk.exe -gqpcbye
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\tbckyxk.exe

    Filesize

    156KB

    MD5

    ed48350dc6067e659f6e14177e13736c

    SHA1

    c5ea6c1d0ad998ba8290f00f2cf81ade9339b4f9

    SHA256

    27a45e990683b6fd1357a666a168ddcdd5ad24cae307cc1585185e84ddb8131e

    SHA512

    ea4b12c926b97ba81fca94ed5aaa6887e34405106e930fe7b7d1aa996a45166cd59860ee38475550f41039eb4f6a141e8b2fba421bd37ed2bd41abe1425ab9e1

  • memory/2380-1-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2380-2-0x0000000000460000-0x00000000004BB000-memory.dmp

    Filesize

    364KB

  • memory/2380-3-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2380-0-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2380-6-0x0000000000460000-0x00000000004BB000-memory.dmp

    Filesize

    364KB

  • memory/2380-5-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2516-9-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2516-11-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2516-12-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2516-10-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2516-14-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB