Analysis

  • max time kernel
    92s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240729-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240729-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2024 09:29

General

  • Target

    KPort Scaner/KPortScan V3.exe

  • Size

    232KB

  • MD5

    9e474178aff71d68f7b72fb186d6d763

  • SHA1

    5eb3a66848515aed1cd9bb235dcb452e7470e5a2

  • SHA256

    16c1e3fea0b086044036f402b5e00af9efd689417fe98fed51884539a4ad44bd

  • SHA512

    ae41194fa85b4c5bb63f21e3218e62aa482d09b9fe3b4a3ea449c76d5d140abd232519abb563c70df3191d4be18b820af91c33842e1ed3459687fc2edb1593f2

  • SSDEEP

    6144:k997OTkNPTqLIOt6r+9dEPlUIbrMOFTfM0OZhErjie0KK3m+nak:FTkNLlE3m+n

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.

  • 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 2 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 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KPort Scaner\KPortScan V3.exe
    "C:\Users\Admin\AppData\Local\Temp\KPort Scaner\KPortScan V3.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:1156
    • C:\Users\Admin\AppData\Local\Temp\3582-490\KPortScan V3.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\KPortScan V3.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2464

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\KPortScan V3.exe

    Filesize

    191KB

    MD5

    c0a8af17a2912a08a20d65fe85191c28

    SHA1

    0fbc897bf6046718524d05b6bc144c3785224802

    SHA256

    080c6108c3bd0f8a43d5647db36dc434032842339f0ba38ad1ff62f72999c4e5

    SHA512

    bd6b67a2f285a5634c5d38f742d5528a661414d3fb88f8065433f6a6a1a3a3f707dede9be7bda9bac9327240422c2314081d0a9eb9b6bc61687465ac96868ef9

  • memory/1156-115-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1156-116-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1156-118-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB