Analysis

  • max time kernel
    96s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 23:35

General

  • Target

    9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efdN.exe

  • Size

    844KB

  • MD5

    f1821e1c55188e17548e900a1f959e20

  • SHA1

    b999e27416bf0fe328b317f2e01d04a136440262

  • SHA256

    9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efd

  • SHA512

    0cd741575b6d0c3ef53fc08a1c5fa891ce70b9bfb4c8127c19a7e3c9186cf23a086cae43145946a2a33f9a264bdafaf6bbc8869be181a99e7d9215cf406dfafc

  • SSDEEP

    12288:3M8dLT1gAlSxyVMxPIloRzdl089c7hU0oTKA9yYitBcx6ac3:9dLTTL+hzdlpghU0oVgYitBU6aw

Malware Config

Signatures

  • Detect Neshta payload 7 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\9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efdN.exe
    "C:\Users\Admin\AppData\Local\Temp\9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efdN.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:3312
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efdN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efdN.exe"
      2⤵
      • Executes dropped EXE
      PID:5092

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\9508882e501a95425091d1864029213620cad091ea7d3dfd9bc860ae23f78efdN.exe

    Filesize

    804KB

    MD5

    2f14d2fc30fb1d71e3afd9a1b2f3b120

    SHA1

    98aa4e92c6485a5eea91df33b9125157e0ee0bc5

    SHA256

    8a335ea0622058670b063d2d8d94c441f758fb0914e1f3f07d5bc9433323c111

    SHA512

    740b27039e9f2ce8902e7f5fc5f712e1369d1d8ce1f6fd7b9ec9ddab5c2fca10dfe1b7838fc8c8a3d497035fe0f3b505a7a5984283261ab11343c3f73742db65

  • memory/3312-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3312-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3312-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3312-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3312-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3312-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB