Analysis

  • max time kernel
    139s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 07:04

General

  • Target

    Uninstall.exe

  • Size

    88KB

  • MD5

    2d06f4000af9632594d69f771b24cc99

  • SHA1

    dceaddf53206b8168386971ea0c0e2d3dfa1a4a7

  • SHA256

    b89c51188eaabe830f78c8ae021f50b4a2962360d7bdd260e9b967ad91945dd0

  • SHA512

    3c451cc8f72303920097235c5fb42229194450b95fbf57d8d391ee3412a77374c5d3cd53138335b50250e33a1c7c4fd200378dade7954b2500445e4b7631a95e

  • SSDEEP

    1536:8pgpHzb9dZVX9fHMvG0D3XJZ5abZyNTXpUnax++HE63ttNESPA6C/0qC:KgXdZt9P6D3XJ3aELpIcE6rF60qC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1960

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsd6850.tmp\InstallOptions.dll

          Filesize

          14KB

          MD5

          eef9e469e8a30717974499f277d97e2a

          SHA1

          2d33c25984ebd9116beeb55cdde4c5c86c023e5d

          SHA256

          1f35bb6728237483c779005fc227e69fef51b0bafd32d15855d483948a337078

          SHA512

          d860132106a1c03dfa23f983b3c503f1216ac02f3d47833b96dfb333fb30bc8ab4d4fecd1f1f0a89f0c7f3586405461e2d53c26f282bb48970e549659b364b48

        • C:\Users\Admin\AppData\Local\Temp\nsd6850.tmp\ioSpecial.ini

          Filesize

          568B

          MD5

          833f9536c5ebdd4c970c0175ff09b6c1

          SHA1

          1806b134f0adbf477e04514a9a98ab50a3f16dae

          SHA256

          dd5e7d5d9ece4e8a9ade529bf9a2bd6e7fa83a23c95034bebcdaacef8fa16e18

          SHA512

          e75735ac4d4c3dcd9bc4f97a45116341d559fd12d55397c5422cb11e705279a99548b946499d3bdad747d9119457a699cb33a408a8d8bf69e47594ab83067f03

        • C:\Users\Admin\AppData\Local\Temp\nsd6850.tmp\ioSpecial.ini

          Filesize

          581B

          MD5

          8454a0430d5fda6ce109e9310306fbaf

          SHA1

          31852633cd04d6dd2b8bfd84e9b8f74b68dbff76

          SHA256

          04367b838e2ba83442276d68f88db368a4bdd37e16e586b0923b9ec87606bf6e

          SHA512

          b5f196b69925c7268dda4c118a83aee781019f8c72429a108ce9c9a8a83edba1886c71a7dd830ce0cb3814fbe1e491ba6157409344ef645c7e40eb12503bf525

        • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

          Filesize

          88KB

          MD5

          2d06f4000af9632594d69f771b24cc99

          SHA1

          dceaddf53206b8168386971ea0c0e2d3dfa1a4a7

          SHA256

          b89c51188eaabe830f78c8ae021f50b4a2962360d7bdd260e9b967ad91945dd0

          SHA512

          3c451cc8f72303920097235c5fb42229194450b95fbf57d8d391ee3412a77374c5d3cd53138335b50250e33a1c7c4fd200378dade7954b2500445e4b7631a95e