Analysis

  • max time kernel
    12s
  • max time network
    12s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-09-2024 17:23

General

  • Target

    builder.exe

  • Size

    470KB

  • MD5

    8c689dc9e82c9356b990d2b67b4943e1

  • SHA1

    6bdc415b9c356bbeaea75c7336cd72910b95a644

  • SHA256

    e8e2deb0a83aebb1e2cc14846bc71715343372103f279d2d1622e383fb26d6ef

  • SHA512

    fb38a79dbcebde149736d5e1ca37dc15d274838be304d3f86e992d610b50c31d7fe4c30f6697c890f3753443af16eab712aef3f8da88d76ed00790083deb51e4

  • SSDEEP

    12288:7tDkI5O/1MHOvEIfRfaXNCTL98vy7anEvY86vM1kiY4XotXpEKAoiO5wBmrkAUfM:7tQcOdu4BcCTL98vy7anEvY86vM1kiYt

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\builder.exe
    "C:\Users\Admin\AppData\Local\Temp\builder.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4808
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0x80,0x108,0x7ffb482acc40,0x7ffb482acc4c,0x7ffb482acc58
      2⤵
        PID:4592
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1792,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=1788 /prefetch:2
        2⤵
          PID:2000
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2056,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2120 /prefetch:3
          2⤵
            PID:700
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2204,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2160 /prefetch:8
            2⤵
              PID:5000
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3100,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3124 /prefetch:1
              2⤵
                PID:1872
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3268,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3260 /prefetch:1
                2⤵
                  PID:1920
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4448,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4424 /prefetch:1
                  2⤵
                    PID:4384
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4732,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4748 /prefetch:8
                    2⤵
                      PID:4492
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4784,i,913353878216666983,16180469088825201709,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4776 /prefetch:8
                      2⤵
                        PID:768
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                      1⤵
                        PID:4128
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:3812

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState

                          Filesize

                          649B

                          MD5

                          8e4821d08b38ac8f84597590371726ae

                          SHA1

                          f7b9eb4a12c88ca7a3671fdbe737500905fcd060

                          SHA256

                          9cfa1485f3b89dfa576d1c762ecda9742ac06ada7aa0b80e158bcf4b69af991c

                          SHA512

                          6c82715e79a235ba4809051bac03da1f0b1d8c632a1828e27ee92e09edefac54109719e5265b98300471281e74516c2b4b04cf220c329e37b147ce986b80d704

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af