Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    10-11-2024 16:40

General

  • Target

    Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html

  • Size

    1KB

  • MD5

    bf8d5a737e70dd3493a475b8672f14df

  • SHA1

    01d35be1b65293f7ca43ee1045424599923ab54a

  • SHA256

    6b73c0a42d138d1f05b527c7b936e79af9f44a55d52e35f912da15c0dea43d30

  • SHA512

    ecc23ef88b80944ed135233118db167bf5dc161b0392af25ae846010f9993673bbdb62f88bf6de24dc060a48a0cfe96be261d30f5dac2705ed0f01d987fe24b8

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
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\Quasar v1.4.1\3rdPartyLicenses\BouncyCastle_license.html
    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:3992
    • 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=0x21c,0x220,0x224,0x1f8,0x228,0x7ffc6dc1cc40,0x7ffc6dc1cc4c,0x7ffc6dc1cc58
      2⤵
        PID:4136
      • 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=1948,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1944 /prefetch:2
        2⤵
          PID:3420
        • 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=1768,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1980 /prefetch:3
          2⤵
            PID:852
          • 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=2260,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2276 /prefetch:8
            2⤵
              PID:2572
            • 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=3160,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3180 /prefetch:1
              2⤵
                PID:1260
              • 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=3152,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3220 /prefetch:1
                2⤵
                  PID:1272
                • 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=3904,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4532 /prefetch:8
                  2⤵
                    PID:4436
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.4355 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4796,i,7786848681491589573,5858059143598691182,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4780 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1644
                • 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:3200
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                    1⤵
                      PID:2968

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\888058e6-27e8-4a9d-978b-5cf13eddc217.tmp

                      Filesize

                      8KB

                      MD5

                      26ecf3545edf714ebbb827142cd1cac3

                      SHA1

                      eef5a8b0f0be04c51957cfe742d9a970598fb85d

                      SHA256

                      955280943a7ad15cd5a131c8bb9b980373faa88192af1523d88b7fd25236adbd

                      SHA512

                      46cd0dae490e6596c9a355da72a340e38fbd9f26eec30bdfefed38b465f26f8cd8662c29f081bd76961911e1b22de07973faf41b573ecdd175eb2970dd7ac884

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

                      Filesize

                      649B

                      MD5

                      46c0ed69547ccba1e5bd93ea34ba21e4

                      SHA1

                      ca92ddfca4c5fa58e1219224f3ba905927039baa

                      SHA256

                      e098653f7d10ea79663dfa82d7bd19e9d19c622ac7dc2e7aa4c5a34cbef182ba

                      SHA512

                      bb623ce6418ae41fa773f0aaa26894db317d364c40c2cb13f63e3e98c8a3c69e998f81537e513f37040c35b832b4b4d22f13ee6df368783182e4d0a5b69cb675

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\75406ab3-ccc1-41a3-8f43-690d95b1d76f.tmp

                      Filesize

                      2KB

                      MD5

                      b3bc461c413dfc4970cd5afae2ed3c93

                      SHA1

                      947e1c4cf9a8e8cc2af88ae8739484ebecd55e03

                      SHA256

                      5cb618c2e42c79fe83e9a7e53a2eccad3fd76f79d22b3bca5ed0d4d49d302e26

                      SHA512

                      920ed2342925ddc72d9cf713d44729b08cf1c812d8f392c375dcb7ef3abf192e9b3b5c121e7f8d33efa09693715f26efd07e6f6dcb9f7ffaf3e8b88e8a5afea6

                    • 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\Preferences

                      Filesize

                      9KB

                      MD5

                      cba9ca5ed22954e5848e5981967ebed4

                      SHA1

                      9a3b6d2e6b480659ede7cfed26380571eaf12753

                      SHA256

                      9cd1cf5d34ec74fd087de3323f6158880200348d7c51a754ed7b698d36ec3764

                      SHA512

                      3ecdf79b5fb1fcf7694111c5ea7cad35f729f5abb89a05f75ec6d8036ce7bcb5ab2b1875c5e780a3185abecfe7a651a698eaf0b5a0d8d33a0ae01a9a5f6c81e1

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

                      Filesize

                      9KB

                      MD5

                      7ce8966baeff65f20f9367b3c3bbd098

                      SHA1

                      8fb3b84d6e23e13ecc49eced5ad008fe66a87055

                      SHA256

                      113341ccfe82d425d0c0d7d9beba7000b78fd9df64dfb195b07c6bb08c7daa26

                      SHA512

                      6c39ffb0737c777bd3e3c413c2e386ad01d68d9d49c3ec7ff0fb84ff5e9a14c22023a4a4a8c87a53341a27f226f30ebc8b5ca2a65d178fbd5fe81be2cc1e0276

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

                      Filesize

                      9KB

                      MD5

                      950bc2638d126a888ec1bc25ce3e8361

                      SHA1

                      803c217cb0dc3b18663568ebeaf0951bc9d6309f

                      SHA256

                      10d52f71ff54dae2b210f26e44cc236bd10b4bd9f3aeb414e5628e1967e1edfb

                      SHA512

                      8c936f4fbf0178950b9a9991b4197f93f97e78b7c268e7f90fdabdcde5b82bb4ed0b0365bf51ef50d894c85d45172c9fdf5dfb3c88b7de83442e1d660aefdcaa

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

                      Filesize

                      9KB

                      MD5

                      6885e01b9c8e2b951c106dbaccf5c389

                      SHA1

                      5476aa9bd68d5f8a0a82272b8fe520e68119d28b

                      SHA256

                      677579cd3d63c6969a47368a6df66a9a0849c67329e7d14d010b17c5508b4b27

                      SHA512

                      d40bb7897926244ba10b749b72952755c2f8627e59a0a5e7d7bdd3411a695bf33e4c50cdf3474a587df3cec0e6e1ef25ba3a1f42c4490b6ac3f119197bf9edf8

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

                      Filesize

                      9KB

                      MD5

                      1343ac02ee1d11185f1e00b03a120bc2

                      SHA1

                      587adb3a4d554d505df29dc317a352616c3981a4

                      SHA256

                      8670247e7bed1b7189b07258b024a33885d0ca0176238d203abd67e96d0c766c

                      SHA512

                      896658df4c728dc0cb4703f3399f95da0de4771e4a17b978777b229a3b65a88c903eacd6d994beb6c83fe3fdced925bd425d6ce46863230d07d2f7d0881691c0

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

                      Filesize

                      9KB

                      MD5

                      9be6809d916cd684e7c1b1191ec36c49

                      SHA1

                      29b06814a208ce56478737f100655a731a29d39b

                      SHA256

                      bdf581dfb04a48b343d3a5bbc56b7580d7fb39078dd321a14434c3fd10be80aa

                      SHA512

                      3558fb22bd256caed6b223aa690abcff78dc6d4240d1cd54adf9c142e243156531b52393c701fba9ed3a734d41b99e1ac765513df4e0214fc1864decc90d3456

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

                      Filesize

                      9KB

                      MD5

                      b5ae7f3312dfb9af8ec1540b10a0430a

                      SHA1

                      79cb0c421a0f1cdd801625ad3285cfd8b391c3da

                      SHA256

                      ed4308e1b2caed06e5e231757eeb1a5e35011940fccad674c649b037ac3bfeaa

                      SHA512

                      755e2e13d42899b930ade722228d2025a8686706eececfad2e4802ab94d91b2b08e877eeb9a6bf36a3a1cdcfac2c270921f34e56e7db07010da6ff0cc005b12c

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

                      Filesize

                      118KB

                      MD5

                      08fe62cd1e479f0c37bf676b4917f31c

                      SHA1

                      e169cf74db13691d8ea13fe6bc76fb3700d769ca

                      SHA256

                      fc690a969fb26b8abcb62176538cd9d2d2a6424913143541f5ab802298c86d43

                      SHA512

                      a10edad4c3d33eb8a35d3e51f5ec45de78b13dd18a4314074562e6256c3b2043b7711733c53410814afa50e2f16ec5a36bc15bb400c2f55b4fed86f0ac9efa55

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

                      Filesize

                      118KB

                      MD5

                      6b37a249894d1f69fd0e46f94d49fb75

                      SHA1

                      d48dc9f1e5749efe76502ec103534e4585eb7aba

                      SHA256

                      256f60ffbeaf097261af7fcfd2708d6a038fafedc088816def1aac7470b426bd

                      SHA512

                      4d64ae167ce8c8e9c3d7f65d06ca13ff40f30ca1a4430d7f6aba418f6bf50bc1393e6603cca256b7e8029b37c2d4e95fe7a2d7051d46d076123b68925d77628b