Analysis

  • max time kernel
    129s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 22:10

General

  • Target

    uninstall.exe

  • Size

    155KB

  • MD5

    32109e2aac377fa07b849f4f4033edc5

  • SHA1

    a7b87a221744fb2e36327be0a34c17b7d734c47f

  • SHA256

    72ffe8859eaa63637f5a62b7c454241db35938f8326f6ccf20352e00f8df2fe5

  • SHA512

    688d9b51060d84c4e2dd0ddbb20d43bbc8bf93a903f26e855f546335bd7a5c9ef5c6f888dff35d379cbb1d782c5e231b33831b7272cde2b40c2d7fc2b85ffc0d

  • SSDEEP

    3072:iIAe+3aJpgWXTBuq/JFONM2cZ6iKowuq12ApG3s/6:izB+pgURJFOS21iQ5i+6

Score
4/10

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.

  • 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:1656
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3948
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4104,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
    1⤵
      PID:4084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsd5A71.tmp\LangDLL.dll

      Filesize

      16KB

      MD5

      46ba3881f8b27f54a8d92d600e61ee7b

      SHA1

      15933b6ece85a6d45fd78ae499b445a3bc6d2d05

      SHA256

      4fca692a36f0c99e26b5bc7ef9db5269d2c1e21288184953898130fea9b1c4fc

      SHA512

      6f64d3cb4634ed51710f578667b92a429aa871a0a141092df3cf7e0134a0b145f802f91126f1ce43ddb4b9d6cc6fb875c9acec22eab0cec86a72dd916e1f9eb3

    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

      Filesize

      155KB

      MD5

      32109e2aac377fa07b849f4f4033edc5

      SHA1

      a7b87a221744fb2e36327be0a34c17b7d734c47f

      SHA256

      72ffe8859eaa63637f5a62b7c454241db35938f8326f6ccf20352e00f8df2fe5

      SHA512

      688d9b51060d84c4e2dd0ddbb20d43bbc8bf93a903f26e855f546335bd7a5c9ef5c6f888dff35d379cbb1d782c5e231b33831b7272cde2b40c2d7fc2b85ffc0d