Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 18:21

General

  • Target

    9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5dN.exe

  • Size

    4.3MB

  • MD5

    5dd5b865bde13004ebb7f1f58e84a5a0

  • SHA1

    4faadcaca90f8354152450f106a028e49e85c973

  • SHA256

    9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5d

  • SHA512

    c24fb41ecd2f30137ebf18adcb5272308acbf1c6608398ccfe4c4febe020d83a742ce3d7f871cdf49b3ab9c2810b3483c46d9ca145f99f3d0f00010c5c08f495

  • SSDEEP

    98304:Zcx8x1GSgdIrBbHMTWMrrZm01hrk/ypTmUYfMRmuN:yx8Qr4MzN

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\9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5dN.exe
    "C:\Users\Admin\AppData\Local\Temp\9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5dN.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:3172
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5dN.exe"
      2⤵
      • Executes dropped EXE
      PID:4468

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\9790d7b7471fa561239c959d57c50655b5bdfd3475dc7ab6d540d30a69834f5dN.exe

    Filesize

    4.3MB

    MD5

    1d7f941f279dfcd6053a38f0647cb26d

    SHA1

    db3adf82e89b678818d57f12c8d5524c77ed1249

    SHA256

    c9cdc44a302fc4c0fab729e3ff96771500d0f629fbbe3f1e068a1a66a7532f58

    SHA512

    170e2edacb9197adf55008b5bdc7bf072c12a566f215b233991763e5ba3a7db1d41fd511f1c81d346d2e2e2398b71ced876abd322b9c8aa47edc4eb6dccf88d8

  • memory/3172-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3172-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3172-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB