Analysis

  • max time kernel
    1762s
  • max time network
    1823s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    16-05-2024 00:01

General

  • Target

    KernelOS-Modules/VisualAIO/vcredist2015_2017_2019_2022_x64.exe

  • Size

    24.1MB

  • MD5

    cdce5d5ee259d8071fa82f522c5c7d6e

  • SHA1

    d4f9181e70e3f1aa6c8edffcc15b3c3d4babe36b

  • SHA256

    ce6593a1520591e7dea2b93fd03116e3fc3b3821a0525322b0a430faa6b3c0b4

  • SHA512

    8f86693bf9fb4ee0ba021b826663028158d580a0424417a30d8f95ef8853fcd224b5a213beba5d99b48be0607a0a6870158bf1899fe1445da9ca19a208608527

  • SSDEEP

    393216:JBCFpXQn0ZIoLTNOqMJgrBrIIvsHCwmMziQUv4qXvscamEZF/N4fsdx/78YHVkEv:JWpXDWoLTNOqMJcdyDz81Xv//MYkl

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KernelOS-Modules\VisualAIO\vcredist2015_2017_2019_2022_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\KernelOS-Modules\VisualAIO\vcredist2015_2017_2019_2022_x64.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Windows\Temp\{7F565EFE-9A54-497C-BC42-795689BABF20}\.cr\vcredist2015_2017_2019_2022_x64.exe
      "C:\Windows\Temp\{7F565EFE-9A54-497C-BC42-795689BABF20}\.cr\vcredist2015_2017_2019_2022_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\KernelOS-Modules\VisualAIO\vcredist2015_2017_2019_2022_x64.exe" -burn.filehandle.attached=528 -burn.filehandle.self=536
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4340
  • 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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4892 --field-trial-handle=1984,i,6250324430674571549,669234090731242346,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3028
    • 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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5572 --field-trial-handle=1984,i,6250324430674571549,669234090731242346,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4544

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\Temp\{7F565EFE-9A54-497C-BC42-795689BABF20}\.cr\vcredist2015_2017_2019_2022_x64.exe

        Filesize

        635KB

        MD5

        d940ea062ed6e99f6d873c2f5f09d1c9

        SHA1

        6abec3341d3bca045542c7b812947b55ddaf6b64

        SHA256

        a0fce2b6c865ae4f00145c9b366c39484daf3160b526c77005e59f6f65adb202

        SHA512

        e4069e41311e8bd4599de0a1bdf0ee0b76316359a0c83ac663c23da8833e5dc0effa260fe8d0e47f4befa94c87fc7bf93bce2b79792abe8befc59acf5401cfe1

      • C:\Windows\Temp\{AFA34D02-B10D-4C8D-90D6-795ECBF7FD97}\.ba\logo.png

        Filesize

        1KB

        MD5

        d6bd210f227442b3362493d046cea233

        SHA1

        ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

        SHA256

        335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

        SHA512

        464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

      • C:\Windows\Temp\{AFA34D02-B10D-4C8D-90D6-795ECBF7FD97}\.ba\wixstdba.dll

        Filesize

        191KB

        MD5

        eab9caf4277829abdf6223ec1efa0edd

        SHA1

        74862ecf349a9bedd32699f2a7a4e00b4727543d

        SHA256

        a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

        SHA512

        45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2