Analysis

  • max time kernel
    40s
  • max time network
    24s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-11-2024 19:40

General

  • Target

    SteamtoolsSetup.exe

  • Size

    978KB

  • MD5

    bbf15e65d4e3c3580fc54adf1be95201

  • SHA1

    79091be8f7f7a6e66669b6a38e494cf7a62b5117

  • SHA256

    c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304

  • SHA512

    9bb261b4ed84af846e07ffb6352960687e59428fd497faa0a37d70b57a1a7430d48ac350fbb0c3f0f11e4231a98ebca4d6923deba0949fdd7a247a3c02737355

  • SSDEEP

    24576:4Fa9OUi2VoN2gZ1M8UQag3BXrYZt+GgGTfG74T+TRcL:Z9OUiTN2gZ1MExEZkkf+4TARg

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 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SteamtoolsSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\SteamtoolsSetup.exe"
    1⤵
      PID:2736
    • 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:4924
      • 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,0x100,0x104,0xd8,0x108,0x7ffe7a4fcc40,0x7ffe7a4fcc4c,0x7ffe7a4fcc58
        2⤵
          PID:1552
        • 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=1920,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1916 /prefetch:2
          2⤵
            PID:3084
          • 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=1820,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1932 /prefetch:3
            2⤵
              PID:3464
            • 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,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1676 /prefetch:8
              2⤵
                PID:2908
              • 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=3060,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3224 /prefetch:1
                2⤵
                  PID:1876
                • 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=3076,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3280 /prefetch:1
                  2⤵
                    PID:2820
                  • 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=4428,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3552 /prefetch:1
                    2⤵
                      PID:4752
                    • 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=4892,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4896 /prefetch:8
                      2⤵
                        PID:2676
                      • 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=4900,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4908 /prefetch:8
                        2⤵
                          PID:4148
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4924,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4912 /prefetch:8
                          2⤵
                            PID:1664
                          • 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=5112,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4612 /prefetch:8
                            2⤵
                              PID:2772
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4960,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4280 /prefetch:8
                              2⤵
                                PID:1504
                              • 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=3724,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4644 /prefetch:8
                                2⤵
                                  PID:3912
                                • 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=14 --field-trial-handle=4600,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=5164 /prefetch:1
                                  2⤵
                                    PID:1964
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --field-trial-handle=5108,i,14509516918971273574,7124787706352836538,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4660 /prefetch:2
                                    2⤵
                                      PID:3968
                                  • 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:1932
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                      1⤵
                                        PID:5068

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000005

                                        Filesize

                                        215KB

                                        MD5

                                        e579aca9a74ae76669750d8879e16bf3

                                        SHA1

                                        0b8f462b46ec2b2dbaa728bea79d611411bae752

                                        SHA256

                                        6e51c7866705bf0098febfaf05cf4652f96e69ac806c837bfb1199b6e21e6aaf

                                        SHA512

                                        df22f1dff74631bc14433499d1f61609de71e425410067fd08ec193d100b70d98672228906081c309a06bcba03c097ace885240a3ce71e0da4fdb8a022fc9640

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.83.1_0\_locales\en_CA\messages.json

                                        Filesize

                                        851B

                                        MD5

                                        07ffbe5f24ca348723ff8c6c488abfb8

                                        SHA1

                                        6dc2851e39b2ee38f88cf5c35a90171dbea5b690

                                        SHA256

                                        6895648577286002f1dc9c3366f558484eb7020d52bbf64a296406e61d09599c

                                        SHA512

                                        7ed2c8db851a84f614d5daf1d5fe633bd70301fd7ff8a6723430f05f642ceb3b1ad0a40de65b224661c782ffcec69d996ebe3e5bb6b2f478181e9a07d8cd41f6

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.83.1_0\dasherSettingSchema.json

                                        Filesize

                                        854B

                                        MD5

                                        4ec1df2da46182103d2ffc3b92d20ca5

                                        SHA1

                                        fb9d1ba3710cf31a87165317c6edc110e98994ce

                                        SHA256

                                        6c69ce0fe6fab14f1990a320d704fee362c175c00eb6c9224aa6f41108918ca6

                                        SHA512

                                        939d81e6a82b10ff73a35c931052d8d53d42d915e526665079eeb4820df4d70f1c6aebab70b59519a0014a48514833fefd687d5a3ed1b06482223a168292105d

                                      • 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

                                        904cfe6d9f20c9b70925a6e1fabea11f

                                        SHA1

                                        431508e98118ea2e6c4e34830f716eb4bf56abb2

                                        SHA256

                                        7bea1f747be4a69ee5a7327162edccb15e3ea98e99c03ab7ad9781b92be98cdc

                                        SHA512

                                        5aea9045b620639d1ba13ff88c289aa48c05bd3544f77ff9a4729dbe549f3920c8fc434f5ebbed91c061d1a8abb23dea87235bde83a71068f944b8f4135a6b73

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

                                        Filesize

                                        9KB

                                        MD5

                                        d90d13ad42e1c065dfdc90efccdc9c00

                                        SHA1

                                        5003476ba28d3c7467663610122b00f40d977667

                                        SHA256

                                        743bffe74ebbaa8d3e332c463fef857d3ed63f0d44a38f3c0e79e0220acff8b4

                                        SHA512

                                        4fa5f5747990c47fd84efc20a5a1b7cc01a71b0301b8c5bc125aa919dea256c71b1bb96173f70be3c94766c1dca5937ac0fbf86932269bbf296df4f68215caac

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

                                        Filesize

                                        9KB

                                        MD5

                                        cab056eb555939a83af58cedb569c1c1

                                        SHA1

                                        232845383f0a336d06cac6c806d55b8db4420578

                                        SHA256

                                        813f1907e168da8cdb105da108304066a985d57f2893c2bc6695886b2617eb81

                                        SHA512

                                        bdfe33aa930320707d50b85fca2de4efbd33b0cd14796b0270b17fb617db8e97b4c4a5be11f84b5526b44f71e9b0ff0407092d5b44e681cf27bc63765fac0c48

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

                                        Filesize

                                        15KB

                                        MD5

                                        298808f48ff739adc59c29d0e4da0bb1

                                        SHA1

                                        d2c5ff29ca0cf7271830263ad5769d4c0022d736

                                        SHA256

                                        bb35a35a83e9d419be54f10e38a2b9622846e9354937b40a54b725df94deda44

                                        SHA512

                                        3a210e42c272ad052f647bda9bd107ce75cd780d80aa5959c8d897bcd60a5aeebd8b57ec70b007d3236078d757485aa5f004dba182ace4afe6c02812d00c1e27

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index

                                        Filesize

                                        72B

                                        MD5

                                        6a02286a8c8c0c74741bacf63ed0114d

                                        SHA1

                                        cc9c76d974cb85acbbd12c1ceb1a2ab8584580ef

                                        SHA256

                                        16c549a8a2b67012e5963568a0deba065423a81eeae782eecd65c400cd46c940

                                        SHA512

                                        5ea2f7a65885d8ef9d293eafb492b030afeadd79d1b659f1d04ff9640d584c6178e0e379dd8ba79c1b15d34c2e60033efbaf26f00865fcf4f858127712ed3ed6

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\e5950b2d-346a-47e0-9329-6a802fb5b898.tmp

                                        Filesize

                                        649B

                                        MD5

                                        3be44de6ef90145674fd86c1fed68682

                                        SHA1

                                        174032198192556e100dcdad94a57e67df31ed69

                                        SHA256

                                        f2dbccf5ced90e079e48075b939e1eb12639c3889469806963d8801a39a122b7

                                        SHA512

                                        7f082068fc2386a3c234ce2f7f241cddffff71de20794ed9c436d52a22e014c8de8ecb866082674a90ccba5cb711587d3017c45d8859083ca41e1b9521a340ea

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

                                        Filesize

                                        232KB

                                        MD5

                                        78fc85a7ccda9f6f3644b4954103a4f6

                                        SHA1

                                        997875a6ba4744d0344366f7d35b92525ed52d93

                                        SHA256

                                        8e90f24974a908e64fea0a40c6749de5ec361237d64a53cb4b0273b413354871

                                        SHA512

                                        1029a7055da3cfa451551d0af32fc07aabd51e152b61510bdc43700a4d4cef1ab283acb57027fc00b2530ca7e3b5ec163eaf8baecee8521b516da5dbc7c20c48

                                      • C:\Users\Admin\AppData\Local\Temp\scoped_dir4924_1988575610\CRX_INSTALL\_locales\en_CA\messages.json

                                        Filesize

                                        711B

                                        MD5

                                        558659936250e03cc14b60ebf648aa09

                                        SHA1

                                        32f1ce0361bbfdff11e2ffd53d3ae88a8b81a825

                                        SHA256

                                        2445cad863be47bb1c15b57a4960b7b0d01864e63cdfde6395f3b2689dc1444b

                                        SHA512

                                        1632f5a3cd71887774bf3cb8a4d8b787ea6278271657b0f1d113dbe1a7fd42c4daa717cc449f157ce8972037572b882dc946a7dc2c0e549d71982dcdee89f727

                                      • C:\Users\Admin\AppData\Local\Temp\scoped_dir4924_1988575610\ac1b329b-6248-410a-8efe-6962c365e6e7.tmp

                                        Filesize

                                        132KB

                                        MD5

                                        da75bb05d10acc967eecaac040d3d733

                                        SHA1

                                        95c08e067df713af8992db113f7e9aec84f17181

                                        SHA256

                                        33ae9b8f06dc777bb1a65a6ba6c3f2a01b25cd1afc291426b46d1df27ea6e7e2

                                        SHA512

                                        56533de53872f023809a20d1ea8532cdc2260d40b05c5a7012c8e61576ff092f006a197f759c92c6b8c429eeec4bb542073b491ddcfd5b22cd4ecbe1a8a7c6ef

                                      • \??\pipe\crashpad_4924_FANXXOUKUUNJEACL

                                        MD5

                                        d41d8cd98f00b204e9800998ecf8427e

                                        SHA1

                                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                                        SHA256

                                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                        SHA512

                                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e