Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 08:00

General

  • Target

    522031ba3eb98df4651e42353a4bcea892c4c715035d68997163649108875848.exe

  • Size

    1.4MB

  • MD5

    2a2e6f1864af14a587a22d4d33d17628

  • SHA1

    1edc9338f21c6339a62be8d98ab066bf576d6d96

  • SHA256

    522031ba3eb98df4651e42353a4bcea892c4c715035d68997163649108875848

  • SHA512

    e4d6a781ff1f6b5b30101eeaa27c9ea231771bf5a66f0a48f2159033106326650a5c4ff57576a27525a2df3e5d179a1dcbf095b43acc44a3ee11adf43e66b166

  • SSDEEP

    24576:Ra/EB4bekZB4diUmKsRGsAsGB75RC48+wK9hGcvVtlsBY1/p:wEUekZednbsRTAs4sK9hGirlsBY1R

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\522031ba3eb98df4651e42353a4bcea892c4c715035d68997163649108875848.exe
    "C:\Users\Admin\AppData\Local\Temp\522031ba3eb98df4651e42353a4bcea892c4c715035d68997163649108875848.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:2900

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\522031ba3eb98df4651e42353a4bcea892c4c715035d68997163649108875848.exe

    Filesize

    1.3MB

    MD5

    82e3b3fe5e20048145eca8a34a197dab

    SHA1

    a2dc47ff526866c0b35bd18a94cc2f2f5e2ea03f

    SHA256

    838663b50811833615292eb0753034b9977c77b1f5999a4a910e16e768dc001e

    SHA512

    dd2efa6e56ebe98b718004da23a5561f8303a6ed3f5786ba8232470c9d43f71fbc504b66931516cbdb045bae0e4a5a92f7c7b550611f2befb884b2cd28a1cc39

  • memory/2900-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2900-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2900-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB