Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2024, 11:21

General

  • Target

    ad3b19c4cdcf4d118b9a22234390bf7e725e4ecf11ec55d5501528f358709615.exe

  • Size

    222KB

  • MD5

    108c0306abf242751c837d8c859c26f0

  • SHA1

    011530ffff14f9e53f6653efcf6c6c1f58f469c9

  • SHA256

    ad3b19c4cdcf4d118b9a22234390bf7e725e4ecf11ec55d5501528f358709615

  • SHA512

    d3ac2cb92b3eb29ea9c4bab1c03756b901b74ffcf087d2c4e2c007aee7cce7ebf6ce165b9b36449ea5f1b13035615785befe15f20d9d1c25e76050d42b386fbc

  • SSDEEP

    3072:sr85CUGMjVyQt8le3i02cqpSqNwCD8czYR6LlpIMgi3:k9UGSA4Sn1NjYwLlpIMP

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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\ad3b19c4cdcf4d118b9a22234390bf7e725e4ecf11ec55d5501528f358709615.exe
    "C:\Users\Admin\AppData\Local\Temp\ad3b19c4cdcf4d118b9a22234390bf7e725e4ecf11ec55d5501528f358709615.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:4976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

          Filesize

          86KB

          MD5

          3b73078a714bf61d1c19ebc3afc0e454

          SHA1

          9abeabd74613a2f533e2244c9ee6f967188e4e7e

          SHA256

          ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

          SHA512

          75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

        • C:\Users\Admin\AppData\Local\Temp\3582-490\ad3b19c4cdcf4d118b9a22234390bf7e725e4ecf11ec55d5501528f358709615.exe

          Filesize

          182KB

          MD5

          953f679631c6f6096f4cde65bb289b9f

          SHA1

          00561a0833bffd54cfb103af66e711bd85fbef05

          SHA256

          fb3c9ae2251f95228d29bbe45459ff93819569bf832ceea80c69e4dc0faa3a18

          SHA512

          d2ba30f53cb02eaa505c86ec63085d4472409a2a1a805ee855af1933560cdaca77f8645acf5e07ca68efb4e5f40f2f3d1838f72248d94cb095a853cd036ec297

        • memory/4976-93-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4976-94-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4976-96-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB