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Analysis

  • max time kernel
    93s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2024, 01:06

General

  • Target

    Autoruns.exe

  • Size

    1.7MB

  • MD5

    62055a93170cc7c217a0a868c22092c4

  • SHA1

    8c4df4991870eda0d75582e0014d47581d121186

  • SHA256

    3cf82d4de6477ab708aa25dabb2ddb341b98f5ba66dd6441851ab425b8470de3

  • SHA512

    464c4eb9f4b0fe0ecbc10412102bb5b0f94499af6df2040bc41d89ecd8934e0d3cdcc3cb50d7926c2158bcc92337567f2b9c0f1347d1db0f2e39bf69fc014526

  • SSDEEP

    12288:1HZrVs162LpM5mzIhM6jl8/yX0Chz8rgRO6u2TdimrfZetCvmKT6IQViL/MW5bkB:q0qQhMIX0e8uOR2xZnkiYWZkB

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Autoruns.exe
    "C:\Users\Admin\AppData\Local\Temp\Autoruns.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Users\Admin\AppData\Local\Temp\3582-490\Autoruns.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\Autoruns.exe"
      2⤵
      • Executes dropped EXE
      PID:1824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    8ffc3bdf4a1903d9e28b99d1643fc9c7

    SHA1

    919ba8594db0ae245a8abd80f9f3698826fc6fe5

    SHA256

    8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6

    SHA512

    0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427

  • C:\Users\Admin\AppData\Local\Temp\3582-490\Autoruns.exe

    Filesize

    1.7MB

    MD5

    17bd13edd536269c417ba8e1b4534fbe

    SHA1

    22470bb3a4c37a0c612ff7ad2596306065ac0c9b

    SHA256

    6111a70da65153e6ded71eae2057bf6760f340476261f6e15a80479daf9724eb

    SHA512

    00d8c80dcfdda235d06160b40d06e47bd0be5178c5fb2b26bf4cd984eae520d877517a16d1a62d88ed1f0a46244eafd4cc4b4183a35f85d13b250e492d441455

  • memory/1116-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1116-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1116-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB