Analysis

  • max time kernel
    93s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 04:44

General

  • Target

    baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80.exe

  • Size

    1.7MB

  • MD5

    cef4de7c99d3ff29e9a2ce92009bcc52

  • SHA1

    d261615f91577e98f4042aed8949630329f2b114

  • SHA256

    baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80

  • SHA512

    8ea107b4048ea98cbe1ae4f5f678a45ff7db7cb1566f101045a959bb9c1031ba88a1c7ef1cd151c38c5a053b999bffe3203ddad2bc6b59398df705d78b7e6479

  • SSDEEP

    24576:wMbIrWZr9B8zCEzyQptfV5BK6J/KO0176qQy:ZAYr9B8eEuQPdl0tp

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\baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80.exe
    "C:\Users\Admin\AppData\Local\Temp\baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80.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:3468
    • C:\Users\Admin\AppData\Local\Temp\3582-490\baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80.exe"
      2⤵
      • Executes dropped EXE
      PID:4580

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\baeeb0d9018a2301a1829081723ad4a4f1cdad6a98a79929ed0827dc13368d80.exe

    Filesize

    1.7MB

    MD5

    d79556a33a0432fc4d1dc059ac8b94d3

    SHA1

    6e32f307ddd7fae88ab858e861012e026382282e

    SHA256

    2b60e52d9b9433039e40a613fa40deac6e3f9735a7568b1fdffb326f0e0bde33

    SHA512

    d089866a36d55569734f2c36b6a536944ed37fd95c62fe001812951c33e3b65143b0938a20da27fcf7744ad55a0816b19f3995343259da8de4aa503861b98135

  • memory/3468-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3468-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3468-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB