Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 19:18

General

  • Target

    080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6.exe

  • Size

    146KB

  • MD5

    6c9947bd9615bee2a965fee114201fcf

  • SHA1

    02e89e2b5388c6a95d7b14029f05b8b3f72971eb

  • SHA256

    080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6

  • SHA512

    89ded9517cf83a8aedfabca3238632c8c7a86dda5158a0c181ddf353cc3e797339618e8e0c571ed4aaeda53709ca7fb6b8145d6ffe57706d0e18082b7142da52

  • SSDEEP

    3072:sr85CkkbAYn2GgYlBYN2fHYTo+mGt8wDSRUTT:k9xbAMpgY3gTX8DRUTT

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\080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6.exe
    "C:\Users\Admin\AppData\Local\Temp\080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6.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:2216
    • C:\Users\Admin\AppData\Local\Temp\3582-490\080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6.exe"
      2⤵
      • Executes dropped EXE
      PID:2576

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\080b2796d4e655500d2a187d8f3766374f1de7f03a5b33c6350b1c41768517f6.exe

    Filesize

    105KB

    MD5

    0f8a252f902e9136cbc9b2b52876d997

    SHA1

    c89b777b5d45508753ef47ea6a4238e925f48ea6

    SHA256

    0782f65a85e86b61b50920ac0949b9230b221b71e965a3cf5c7618e894f134c8

    SHA512

    d19bf36cd37d3cfecd4265acf8bb30654c587da5d44fdc07fa8b1a99364990bc80db39d70ffa0776e979f2a3206590618d82c183adaf4bf740034190535f1af1

  • memory/2216-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2216-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2216-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB