Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 05:57

General

  • Target

    cfe1985d1b157a0abe6270bb66481ffab6b3d13cfd3f4062cb26693453a4cb1d.exe

  • Size

    144KB

  • MD5

    48dd9ea7ffdb0cd7f6269a4652b05a4c

  • SHA1

    dfab0acf94a86447d18ffb09b93e049bfba9b7d3

  • SHA256

    cfe1985d1b157a0abe6270bb66481ffab6b3d13cfd3f4062cb26693453a4cb1d

  • SHA512

    73ebe5ba7eec1a4fdece37ff7583cf4facd1cfc36d6edc319bc1a2bbc7c4cd525ff1a57644b5367ebbc3b8c116922751f7a4548a81faf925761e3b4a79f1204b

  • SSDEEP

    3072:sr85CquaJG4vlP6k4qmKjfHYToR0SJ9sfQvTQ:k9RaJFvlP1jgTGJ4QvTQ

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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfe1985d1b157a0abe6270bb66481ffab6b3d13cfd3f4062cb26693453a4cb1d.exe
    "C:\Users\Admin\AppData\Local\Temp\cfe1985d1b157a0abe6270bb66481ffab6b3d13cfd3f4062cb26693453a4cb1d.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
    PID:2708

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\cfe1985d1b157a0abe6270bb66481ffab6b3d13cfd3f4062cb26693453a4cb1d.exe

    Filesize

    103KB

    MD5

    fbcb925c2a38e15865788625083545a3

    SHA1

    41a9be4ae757aacd6997abef98e161562e76efbe

    SHA256

    4aed1cc166acffc095be320b1d6f9faf224bf2f740905ab4b1a8d97a77839c6f

    SHA512

    d03767d07951b82cd4ab425524eeae2f240c8773d54781b0bd405d6b33af95da1ad782e938476f030356e2c6032dd7d742ee94017b0e76009b83fd047d0b6019

  • memory/2708-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2708-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2708-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB