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Analysis

  • max time kernel
    127s
  • max time network
    123s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/09/2024, 05:27

General

  • Target

    lnk.exe

  • Size

    20.5MB

  • MD5

    8f0e2f6adef6c740e76a2506ddc9512e

  • SHA1

    045440269af26b110075374e7de197cb71c5c1a0

  • SHA256

    79e8d92d6a17ce41a8d3721cc7b897fe325c3fe5d645d089aaecda7f7cc67903

  • SHA512

    807c37670f1e227902107b63bc3c03fb0bf00bf062315a24b06797ec8ed8a1507b11f7a1dd8059b75c12e93635e67c88c6920e1a2ca5a5400c2dcfa7fcd21cf0

  • SSDEEP

    196608:Wn2zUMIxLVEfpHZAdJXTDV3ZAW2LWyiZ:cMIxL6f2DDVn2

Score
4/10

Malware Config

Signatures

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

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lnk.exe
    "C:\Users\Admin\AppData\Local\Temp\lnk.exe"
    1⤵
      PID:920
    • 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:916
      • 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,0x100,0x104,0xd8,0x108,0x7ff8e73ecc40,0x7ff8e73ecc4c,0x7ff8e73ecc58
        2⤵
          PID:2500
        • 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=1808,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1800 /prefetch:2
          2⤵
            PID:3144
          • 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=2124,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2132 /prefetch:3
            2⤵
              PID:4876
            • 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=2216,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2308 /prefetch:8
              2⤵
                PID:4372
              • 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=3120,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3232 /prefetch:1
                2⤵
                  PID:1464
                • 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=3184,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3296 /prefetch:1
                  2⤵
                    PID:3708
                  • 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=4412,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3548 /prefetch:1
                    2⤵
                      PID:708
                    • 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=3684,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4776 /prefetch:8
                      2⤵
                        PID:4260
                      • 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=4904,i,18149052275366746117,17576280559812944522,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4944 /prefetch:8
                        2⤵
                          PID:4248
                      • 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:2924
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:4488
                          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
                            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
                            1⤵
                            • Suspicious use of SetWindowsHookEx
                            PID:568
                          • C:\Windows\system32\cmd.exe
                            "C:\Windows\system32\cmd.exe"
                            1⤵
                              PID:2304
                              • C:\Windows\system32\systeminfo.exe
                                systeminfo
                                2⤵
                                • Gathers system information
                                PID:4496
                              • C:\Windows\system32\ipconfig.exe
                                ipconfig
                                2⤵
                                • Gathers network information
                                PID:4680
                              • C:\Windows\system32\ipconfig.exe
                                ipconfig -a
                                2⤵
                                • Gathers network information
                                PID:1484

                            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

                              ed7adf3cc5c4dbcff6dfc5b5a6296757

                              SHA1

                              5c0e642caa46ba3e27e450b1d5b1396d5f308873

                              SHA256

                              1583b38afcd88f33ee73eb8fd5e8ae99cb8535aac2cb18ac7db67c5cb52f6a80

                              SHA512

                              2f11f002b6286c1bf97f88e7fcbf9b2af184dc8cc059bf39685f1e7d99bab077428446b05b49c8b876ec1595159b057d39a580caa5d08065d14173c75116a9b8

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              1KB

                              MD5

                              090749ecd8402e0ea440d2104ca74306

                              SHA1

                              3879061a5a81507ed9c6f643f630e20fcfec76e1

                              SHA256

                              24fdd2f5cca7dd017427ca346d45af7bd994dbf8c65dd144a613b0669591479d

                              SHA512

                              09f5cdffe0e6f58233c22fc77769e06e647a7aae4984a9dd5a82ea75f753d65b6e96856805208bf958636be53a126e54970d2cf23043743d200b08acd04d8017

                            • 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

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

                              Filesize

                              356B

                              MD5

                              eed0d0f7b37cca370f9d3a6cd4cc2be0

                              SHA1

                              479f2034f2405ef907636f27dda19eb8e2a58615

                              SHA256

                              d3fc662dce48d38ab906585342a15327f81ab424f5b5e217f0fb76f0ce2a2a55

                              SHA512

                              c3fa26b481c54ee9fcddb032659a3961798317e90e21333cbbafbc7ac0ab255b71c9502c006c3598082696f95723535b4612b6ef9aca11d6f151090fc94b8de0

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

                              Filesize

                              9KB

                              MD5

                              051ca2e8a495c2c391845b6804ccce26

                              SHA1

                              0ecb1fb1618f26c51b2dd642ced73e71fd2b1ca7

                              SHA256

                              892c6320732ed99aa189fb3665e43b73405783f27eef1aa303da81de219350ea

                              SHA512

                              c8bcb3e34e14e6bb847f68dd3c1e8df1b7f5235b4d61134a860addc32d1ad86a12ff9478bcbc0f5f348fb87912c7f330d655ca909bd83d02ca1c8e1cdfcd4302

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

                              Filesize

                              9KB

                              MD5

                              a1f7150ce3425cfe035aeb18d9d44258

                              SHA1

                              7f93ca74a5fd9e113768e1b51b6fcdf6e68e0d52

                              SHA256

                              67a4235767512e98ba517a6e0dd6c4b404ee77e96f5508e31bac33f5febc98e4

                              SHA512

                              15d30ece9f166a737272c694d122596167a764f0be32747a74343eac3c06d1a1bd4660458bc575b9543fbdf24a8278c0e8dd5482dc1ded44f85b6a84e7f8b05e

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

                              Filesize

                              9KB

                              MD5

                              fcf847c66e2a4057821dc7dc09d20169

                              SHA1

                              6541762be0a3a70beb654af4e1fec3d12ed1872c

                              SHA256

                              a6dc3abc62f0ce447cca6be223710a920c397bb0a2b708e171dba78ac069fcd6

                              SHA512

                              597f414d08b891d7181cd78f2de6208a7280323e67178436609fdb949dc1cedee247a7ba53d24c2aea52a94edfa4d246edfc9be0a775d1a3eea5d7679936031b

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

                              Filesize

                              15KB

                              MD5

                              e157ccbd82d523243054e1195e89cbad

                              SHA1

                              fb5722e638db64eb1dd4ba36b29acae554fee625

                              SHA256

                              681d7bdadb60422195e6726e643bc5fb53b2cef3d336ded5d3c5db536c155be7

                              SHA512

                              c97729b4424c5d297949a852f21c7198b91d73cea0a7cf12d2fb0102b4eecd6b45be307b160e4bc6140d60af9ed9041a2ef5841b5a10f4d5a22e379c5a61f6c8

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

                              Filesize

                              208KB

                              MD5

                              160c0c251811d031f1a04b35f3ff86ce

                              SHA1

                              0710ee0bcedb934ff4c6a4c4ee0748eb6cbafdc1

                              SHA256

                              89d96bfae54fe697eb217a203edff90e2b8ea538ea176aeaada9090e272f6bbe

                              SHA512

                              4735b575bce255e27dd48989560d13fc255246a792747a32d5dfdcd67042abeaaa6e1c985aaee1c2c9c553cc4757b85adffc809e08f3b65cbfc9ec6c0b7de1fb

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

                              Filesize

                              208KB

                              MD5

                              aa2e72e4d8a2c142e0cde99ad5d2409a

                              SHA1

                              b3e3f909c37d84ee189fa0de64ed267a546d6faf

                              SHA256

                              921c003e72e50a9a546a518970cfd3d36fc98602d3e5196c686097a994665dfe

                              SHA512

                              d9c9fea256a99b1ed861e0e9b2bfe77885cea58efcb445d9a03a73109e7667a28a706814bdc018b7cb38b1879ed477d9486230386eeee8aeae8546e3896cffdf

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

                              Filesize

                              264KB

                              MD5

                              5d3f15df82d82fde42677f39d5eb9243

                              SHA1

                              39386072626bf37c0879dfeb95dc16d927961c9f

                              SHA256

                              e227174c5b0d138d48b2822978f29eee2017e9c64ee9efb8e7ba19de345b5758

                              SHA512

                              87f4b88d3152ce9c742afe28568c9cde705df17636833dee8f81a39585157ca42d7b44aa91fbbc7ef8f1e3c1cd67af31a0bdd6df55abacd3404fcbbc10164856