Analysis

  • max time kernel
    117s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2022 21:35

General

  • Target

    2863d59554f71daaca458ebf5f9d290771630f3945b54bef7a5cdc91ed963b6e.exe

  • Size

    856KB

  • MD5

    5ac3d3497a4f79a3117c4e5b9db33ed1

  • SHA1

    c158c51009630fbfe942a4e37a791e4cb841dadf

  • SHA256

    2863d59554f71daaca458ebf5f9d290771630f3945b54bef7a5cdc91ed963b6e

  • SHA512

    7be6ace465afbfc08e9a18b9bd8e75f14cc5e359e061748830ab4a29cc5816e3c73fbfa6baee440e7ee73887c4f3200f37a07564318e30bbbab4d452adc2edfa

Malware Config

Signatures

  • Detect Neshta payload 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2863d59554f71daaca458ebf5f9d290771630f3945b54bef7a5cdc91ed963b6e.exe
    "C:\Users\Admin\AppData\Local\Temp\2863d59554f71daaca458ebf5f9d290771630f3945b54bef7a5cdc91ed963b6e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\2863d59554f71daaca458ebf5f9d290771630f3945b54bef7a5cdc91ed963b6e.exe
      "{path}"
      2⤵
      • Modifies system executable filetype association
      • Checks computer location settings
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:2348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/808-130-0x0000000000120000-0x00000000001FC000-memory.dmp

    Filesize

    880KB

  • memory/808-131-0x00000000051B0000-0x0000000005754000-memory.dmp

    Filesize

    5.6MB

  • memory/808-132-0x0000000004C00000-0x0000000004C92000-memory.dmp

    Filesize

    584KB

  • memory/808-133-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

    Filesize

    624KB

  • memory/808-134-0x0000000004B90000-0x0000000004B9A000-memory.dmp

    Filesize

    40KB

  • memory/2348-135-0x0000000000000000-mapping.dmp

  • memory/2348-136-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-137-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-138-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-139-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-140-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-141-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB