Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 21:40

General

  • Target

    f141e8943475f5c46327c8a1900a79634d6798895bd431fc6fb9e62c808a325d.exe

  • Size

    5.0MB

  • MD5

    f9d1a29e6e9c1e37a5efdbf22f29f42c

  • SHA1

    e45dcfd3986a2551440fdb03593655df22987449

  • SHA256

    f141e8943475f5c46327c8a1900a79634d6798895bd431fc6fb9e62c808a325d

  • SHA512

    c0e34152b73597ac5217da5c45a9da9e8bac81f329e7709b9dcd579e09f2af2db637592760560f1e39520cdbef988a51955f5bdaf2d81c7ebc9a430278463b09

  • SSDEEP

    98304:ssDtGs0KZPPI3aaP8XEu49+20cu1HSSlZuJXtLYCa:sTsxPPe761h1HSSfuvLYCa

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f141e8943475f5c46327c8a1900a79634d6798895bd431fc6fb9e62c808a325d.exe
    "C:\Users\Admin\AppData\Local\Temp\f141e8943475f5c46327c8a1900a79634d6798895bd431fc6fb9e62c808a325d.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f141e8943475f5c46327c8a1900a79634d6798895bd431fc6fb9e62c808a325d.exe

    Filesize

    5.0MB

    MD5

    5b370a6c1a60a91902d94d1d6c7b821d

    SHA1

    a109df85338afcc2e4c13c641f1c926dcd6f2ad6

    SHA256

    92638f5aab8e7c37a49c94bc1cbbb42866836ca52289bda682208e63f6bb0e1f

    SHA512

    66381e002e396f461fe63fa8762d11e1122b836618490b39b80bc40f91b382d68462daac6b2cab00f9533befe54ef071e89d65fda0e0f342e155fffda54b41a4

  • memory/548-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/548-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/548-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB