Analysis

  • max time kernel
    92s
  • 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
    04-12-2024 06:33

General

  • Target

    ecefb2ee10d1b039cdde9cdc7fa66c14faecdad28e5ff1a649d1400775f90b05.exe

  • Size

    1.6MB

  • MD5

    209a874db62ac6a167d4d5959c41b652

  • SHA1

    ceba332cf81d17bb6bb24be2469f46f2f1d050dc

  • SHA256

    ecefb2ee10d1b039cdde9cdc7fa66c14faecdad28e5ff1a649d1400775f90b05

  • SHA512

    a1976486065643b98a9a6c40613bbb26ff090410dd93005e5c1412480f7237728d086926bf93c2fc5f41033448df729b3eaaba606e96a68af58d314d48572510

  • SSDEEP

    12288:iz1oGnL9f6NhlQNo9Y54zNv6yJfoz4quIbS5fB5TONkIwKihIiNI0ubyR8BeQyv9:c1DxrG9YIdOKbeeQ2Frwa

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\ecefb2ee10d1b039cdde9cdc7fa66c14faecdad28e5ff1a649d1400775f90b05.exe
    "C:\Users\Admin\AppData\Local\Temp\ecefb2ee10d1b039cdde9cdc7fa66c14faecdad28e5ff1a649d1400775f90b05.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:3564

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\ecefb2ee10d1b039cdde9cdc7fa66c14faecdad28e5ff1a649d1400775f90b05.exe

    Filesize

    1.6MB

    MD5

    696ff3da585cb25680ff7a2d726a8756

    SHA1

    0feb82c8e35496505365e61e184c694470a45160

    SHA256

    b8404e2034c2ef768b3a43b75f2fd9f075536e6b5f606889614cfbaa81cd141d

    SHA512

    9dcfbcf2fafaaded672a578f7e67fd7b866848a86c88113fb68bede2dd401702b5a05d84aa5232cf5497b6d5351000e6a7c36500d902e07025101fa5c355a5fd

  • memory/3564-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB