Analysis

  • max time kernel
    94s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 02:57

General

  • Target

    5fec04eb7815199b86f70c99d54c6864889d92f989762aa09288a3f5d6b9969c.exe

  • Size

    609KB

  • MD5

    5bcd2e351fbc7945dedc88c3cad00053

  • SHA1

    4bfcee6e5885161e1ead91f2c06a187739c72df5

  • SHA256

    5fec04eb7815199b86f70c99d54c6864889d92f989762aa09288a3f5d6b9969c

  • SHA512

    d3237fbc6c842dfbd398aad074f2fab1fd1bda8cfb7b7383d761f5d03ba9c7ad0f467907b64a8ce184a8016e3b995a444a145f43a11af2aa7a7335289032d2f2

  • SSDEEP

    12288:CB0JfiwSdYSui8zZH94I3H1v1Uh2fEPgpY0Cz4:CsfiTdYSuVzZH9tH1v1UYBpYd4

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\5fec04eb7815199b86f70c99d54c6864889d92f989762aa09288a3f5d6b9969c.exe
    "C:\Users\Admin\AppData\Local\Temp\5fec04eb7815199b86f70c99d54c6864889d92f989762aa09288a3f5d6b9969c.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:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\5fec04eb7815199b86f70c99d54c6864889d92f989762aa09288a3f5d6b9969c.exe

    Filesize

    568KB

    MD5

    b8fb31684b03248b4ca9ce7618f2bed7

    SHA1

    9906a694471a6ac7d4529df54b9c80884ef89ea5

    SHA256

    ca1defc6570bbde06979bbf8d5f0a5dffee58c7f81548f0c13434707207d8a59

    SHA512

    88e4e67e3d69d27552ddeecce4a6a61d25ff23344f4b26ea4b10018a637ed30cfbff2348a8808eecb7035856e2da98eb39effbf36d282d469e7a644545246d54

  • memory/2820-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2820-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2820-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB