Analysis

  • max time kernel
    95s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 23:49

General

  • Target

    65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe

  • Size

    603KB

  • MD5

    9314f1ff84e2de4d7a3051a47c320761

  • SHA1

    e25f22c6897cf8badc1836cd088688b1ed602586

  • SHA256

    65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9

  • SHA512

    10f1394779afc25b66e4c16cc05d1242b7ebed756c0c957e5638915b6fbbb17b4297a1652a53d89fd1b04c7f1cd4f474c49aa118e97236288d00407e819becee

  • SSDEEP

    12288:/NHbufgD7qSdPBZ4SpLeLBLg12sgLkLORn3U07DzDCNEl2xdjta33q+Q0:/5Cfgas/LpLeLBDsgTG077CNElqjY33J

Malware Config

Signatures

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe
    "C:\Users\Admin\AppData\Local\Temp\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Users\Admin\AppData\Local\Temp\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe
      C:\Users\Admin\AppData\Local\Temp\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe
      2⤵
        PID:1716
      • C:\Users\Admin\AppData\Local\Temp\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe
        C:\Users\Admin\AppData\Local\Temp\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe
        2⤵
        • 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:1996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2.4MB

      MD5

      632d836f2f22fdd5eafe3b3caf5f6f21

      SHA1

      096977d3e6d1618aa75779eceecf14073b7cc45c

      SHA256

      a843cdf8e756bd24e00e6e16231b85a066f3f01b9a81512b7aaf9c47c0ac6272

      SHA512

      628d57200939435013b33707acdef69b2e705bb5cfb2d3bb079c5620c83043e35a96268dbb9437dbd7d8aeef5b302ebfe0a578ff9acbb0fa7a11300df71974e0

    • C:\Users\Admin\AppData\Local\Temp\3582-490\65eb79c58bfddacebc3d72fc220f5b4a9fbcebda917d5d55f7621dcf2f95b0b9.exe

      Filesize

      563KB

      MD5

      82c926ceb2e93965b6b88b4f19e1180c

      SHA1

      06ec7759ca8709b46fce4b787d9015da3d8fbad2

      SHA256

      e8cbe9e55fccdab101795db9c28af91151545f86af8f0cc6155cdb0f0ef3990e

      SHA512

      1101ff2a870da714ec9d3af5603793c5835cc08a143e59364a8705f9ca5036fc56277cc3c0ec8ce0e63e5ed28d6048e72b1432493d7962266232824d17118acc

    • memory/4912-0-0x0000000075232000-0x0000000075233000-memory.dmp

      Filesize

      4KB

    • memory/4912-1-0x0000000075230000-0x00000000757E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4912-2-0x0000000075230000-0x00000000757E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4912-3-0x0000000075230000-0x00000000757E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4912-4-0x0000000075232000-0x0000000075233000-memory.dmp

      Filesize

      4KB

    • memory/4912-5-0x0000000075230000-0x00000000757E1000-memory.dmp

      Filesize

      5.7MB