Analysis

  • max time kernel
    91s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 21:13

General

  • Target

    d673ba80d4630dbb6879170f8ee38b96f1f00cf1480598ce37cb25c3f4b59574.exe

  • Size

    2.2MB

  • MD5

    a6f644e8fd9671671ad994e78961639b

  • SHA1

    0bfbc0cdaf7f50e83f466d1c9d706d75579c0bb8

  • SHA256

    d673ba80d4630dbb6879170f8ee38b96f1f00cf1480598ce37cb25c3f4b59574

  • SHA512

    7057ce53967c39ea2873bbe58faa526626c40f22fbaca449bc63268a8a16a8ea43eb40551acfdaa344bc52066700d0253eadc1042026ac8a7f588f3fe6b24c9c

  • SSDEEP

    49152:DoEViY9lN1Q0iLZpD+T1uw15dGNBi1EQRV2GUFvRz8mGbSCEe64b0:DoU7jiLZx+RucbSAjRV2GUFvRzYbSCdM

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\d673ba80d4630dbb6879170f8ee38b96f1f00cf1480598ce37cb25c3f4b59574.exe
    "C:\Users\Admin\AppData\Local\Temp\d673ba80d4630dbb6879170f8ee38b96f1f00cf1480598ce37cb25c3f4b59574.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:1656

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\d673ba80d4630dbb6879170f8ee38b96f1f00cf1480598ce37cb25c3f4b59574.exe

    Filesize

    2.1MB

    MD5

    e84cb833ae98ce811a8cff4b11f231b7

    SHA1

    e21f68a8c79d5930ac7dfdd1fa6638e5b804d5de

    SHA256

    f6a65d585bdf34ac0cefff2bff045191617051b0c8811f55c8f6c761a3e475aa

    SHA512

    147321ecf66a81a7b0473e57ad9945d24926e1c4b80be6e9f00e49da63850b2874d91f6b0b57c2d99a48e008b287d8eecaf8745f96abada7b5be65e4fe59c15c

  • memory/1656-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1656-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1656-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB