Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 21:40

General

  • Target

    3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc.exe

  • Size

    87KB

  • MD5

    8a66090ee4b30196201beee6b5cad7c0

  • SHA1

    9109737fa245a6fa54182b4475b1706dd390b26b

  • SHA256

    3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc

  • SHA512

    92e6872eb60897c70f2a4d5a45ff0c0badbabd1cb9df1732261666e1c87d38dfd4927f648cccf23afec67f8b057c46c67a3b1a065fa239b724226aad8ca3e988

  • SSDEEP

    1536:JxqjQ+P04wsmJC4xKEu/DY3Tkbq4R2WO3B7SIW:sr85CGYG+O3BGIW

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.

  • Executes dropped EXE 1 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc.exe
    "C:\Users\Admin\AppData\Local\Temp\3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc.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
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc.exe"
      2⤵
      • Executes dropped EXE
      PID:1436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\3084479f44330687e91a892742326e46c7dbd7f328c1576f14b8d21df84ef3fc.exe

    Filesize

    46KB

    MD5

    cf45db23033da98dfecda43fb3e213f6

    SHA1

    d796c11565b26441b499337504c90999538dd04a

    SHA256

    566d6a115e70f1670a87f2a6d360f55b83a44f23773be5429e51814232299c58

    SHA512

    eb926fbb488baaf7e12deae0c3405d696275fa4ad69cb234a8955efb473ed2f6c9609f01624321ebfc050fd1f40e8a791904c7e915cedb9ca7eb3b9a9c7a8db3

  • memory/4872-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4872-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4872-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB