Analysis

  • max time kernel
    30s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2024 23:39

General

  • Target

    https://mcas-proxyweb.mcas.ms/certificate-checker?login=false&originalUrl=https%3A%2F%2Fapc01.safelinks.protection.outlook.com.mcas.ms%2F%3Furl%3Dhttps%253A%252F%252Fdocs.google.com%252Fforms%252Fd%252Fe%252F1FAIpQLSciOpt5vNtgqbWMgXS7ElASzji2vk17UuVb1MsbvhCN4r2iEw%252Fviewform%26data%3D05%257C02%257CISD-IRT%2540metrobank.com.ph%257C163f9fb4050344a9743608dc8624b7d2%257C5d21b779551047d8905fe1156023a316%257C0%257C0%257C638532739473057641%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C0%257C%257C%257C%26sdata%3DrtzRHLYmOoc0Apej3gsp8iFqgYNfR6nvrM16u2Pbzdg%253D%26reserved%3D0%26McasTsid%3D20893&McasCSRF=928d3f1f1a3c1fb9fd4442de689adb5d9249060cd47baa0e2b44a4e234a259db

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://mcas-proxyweb.mcas.ms/certificate-checker?login=false&originalUrl=https%3A%2F%2Fapc01.safelinks.protection.outlook.com.mcas.ms%2F%3Furl%3Dhttps%253A%252F%252Fdocs.google.com%252Fforms%252Fd%252Fe%252F1FAIpQLSciOpt5vNtgqbWMgXS7ElASzji2vk17UuVb1MsbvhCN4r2iEw%252Fviewform%26data%3D05%257C02%257CISD-IRT%2540metrobank.com.ph%257C163f9fb4050344a9743608dc8624b7d2%257C5d21b779551047d8905fe1156023a316%257C0%257C0%257C638532739473057641%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C0%257C%257C%257C%26sdata%3DrtzRHLYmOoc0Apej3gsp8iFqgYNfR6nvrM16u2Pbzdg%253D%26reserved%3D0%26McasTsid%3D20893&McasCSRF=928d3f1f1a3c1fb9fd4442de689adb5d9249060cd47baa0e2b44a4e234a259db
    1⤵
    • 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:4292
    • 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:7 --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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb6493ab58,0x7ffb6493ab68,0x7ffb6493ab78
      2⤵
        PID:4980
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1716 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:2
        2⤵
          PID:552
        • 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 --mojo-platform-channel-handle=2172 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
          2⤵
            PID:4004
          • 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 --mojo-platform-channel-handle=2256 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
            2⤵
              PID:2252
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2980 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:1
              2⤵
                PID:2728
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2988 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:1
                2⤵
                  PID:720
                • 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 --mojo-platform-channel-handle=4388 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
                  2⤵
                    PID:3908
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4560 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
                    2⤵
                      PID:1592
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4572 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
                      2⤵
                        PID:1772
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4452 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
                        2⤵
                          PID:2584
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4616 --field-trial-handle=1900,i,233498584857889331,10647356868361195588,131072 /prefetch:8
                          2⤵
                            PID:228
                        • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                          1⤵
                            PID:4452

                          Network

                          MITRE ATT&CK Matrix ATT&CK v13

                          Discovery

                          Query Registry

                          1
                          T1012

                          System Information Discovery

                          1
                          T1082

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                            Filesize

                            168B

                            MD5

                            6dd70b732a27f6740c0f08c0688554c0

                            SHA1

                            371ce1b7e8d381565ae4f1262eb1572f7883c2c4

                            SHA256

                            d0deaa95ff2b3bcdfd190c76ba6a5bb34af86bd5f96a0d3b395a2b9afae5da1a

                            SHA512

                            8f070dc9e75c5245f83bc0a025b454c204785708aef3eb79cf4a103779ad29638a4aa9ced1f73b066ab047ce13d1fd8d6af1a5c9c6f18f6463fcb502360c8630

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

                            2KB

                            MD5

                            4c41fa1f7326fcbc4a120318b163ce87

                            SHA1

                            212c93fcdd9d403db9142216638d28ec81c08091

                            SHA256

                            706d634460dfad845f62825d38a4f27f01902aa76d7b5b3d45c33c95d8429d2e

                            SHA512

                            723777568138e00d600c7f23c14c08055a28b2516ad30c4d516bc0d79075490f92f6baa8fa9ec9ce5e313a420946262dfc75db0bbe30911f934be962b776c38e

                          • 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

                            522B

                            MD5

                            c1a1d60b54e38bce87c97b7dfa2d9396

                            SHA1

                            9df01d63631491af6b161f8a6c7972938dab54de

                            SHA256

                            53c43c027b4d2043fc960b8902b4cf312ceaf222e9debe9cf86c75f44ae5be7a

                            SHA512

                            b65726f413bd9a2695cd4d383e7399466e3043c010bf8d0d1d7bee607089a1aaa768107ae94570cf67477d17f7d943434824aaecb5f3c6249b7c2e130dcfb40c

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

                            7KB

                            MD5

                            0bebe331344b6dc7be6a29a1268e913c

                            SHA1

                            b115a39cc6f208d792ba7072c1e7e7b302e9d679

                            SHA256

                            6b66806aee312c353367ca98c9d1f25035a22f120e9491e6604e587040b548d7

                            SHA512

                            efff9d3eac953870d5bbf1ca78f2627a1970d08f6e2f94f71a9910851be5c88c49aafdb93ad2063833c753f9ce29d6129d0304f698f5e63d779ca60b2d89e475

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

                            257KB

                            MD5

                            6ff9f74fb67b32a528f61e583296cd4c

                            SHA1

                            c926f9b933f173e02a296083e6bf72ff0d1577ef

                            SHA256

                            7be789d55297d8a2e16205b97f74aba3edc0fede5aa561e98bf5d479ec5d7426

                            SHA512

                            b18295b583bac7a09b70e19ee45d261cf765798b69ca2819fa3872224ce526b57de89cdaa50bc621d46f1c7ec0d118506330635291f255858c048c8c54abec5a

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

                            257KB

                            MD5

                            992fb27c6e470afea6c569c20c97bf7e

                            SHA1

                            c9bda366d92fa784cd5747bc975478d377c32f8a

                            SHA256

                            8123796eac0d0b53b462fced6d7d96dd22d175c0296b1913e0f23fb0d71636ac

                            SHA512

                            767658131b2af832d1bbcc73f40a33afca018698b39dad305349efbbc7395185ab2b1588ff0f0b8f47e3446e46e3dc77f1d5d8f484ee80e644d3c788c7533fe4

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

                            257KB

                            MD5

                            6251bb5c8ff352dbeaae20c09afcc010

                            SHA1

                            a8475442de776fd5e106f4d242b11ed42ca1b36d

                            SHA256

                            2b55880a1623adbf1ca8a3d7d0576a85d957b302b7d8e2c11bb1349b474baa6e

                            SHA512

                            d2d94afc355ba2e8efdf448469eb0df8284d02a16b960d54d3745060d1bdadca044233d8b534cd4051e6127a4784364625e32ff15dc603d57c4571f945e3be1a

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache
                            Filesize

                            91KB

                            MD5

                            84bf0d9132dc8894d9459218f69e5886

                            SHA1

                            0eff677dc25e0dd74b044283cf3d7db32d08fce2

                            SHA256

                            004e9d810246232cef38b3c062f1dd5a1101f92e29e705a841b45095b2d1e174

                            SHA512

                            f586a277d51be1065c052d981e8682490893d46d017f3ab1703c2dc7c84fb4c24593893ac327bd390e68203dda354e18f794e525c0a4e73e86d892dca6c76c93

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe57efa0.TMP
                            Filesize

                            88KB

                            MD5

                            ca59545dcc443fd8a82bd8c11cfe38c9

                            SHA1

                            e9aeb02bcf7a6a6fb5bc4e483b9dd03b22391da8

                            SHA256

                            e3f90e7b5e76e17b802705b610b2da7a873becdc7fcdf8ce1ee18ad6a22774b5

                            SHA512

                            bb0fb8dbd4019012d351ccfa186e2c7924c555c62331a107ef685b82bca44ec2bf147a392467566328769543b708e8c0ea097cd5e69380346fcad12ef2c2cd72

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\da67c302-6c45-42ac-9e7b-bd6c831f86ce.tmp
                            Filesize

                            277KB

                            MD5

                            f729dd21439a2a11617a6ca0dcb18acb

                            SHA1

                            0a3d7aa4b60f77400bb9a0d9e99da7dc459d1e9f

                            SHA256

                            3379a34dd31cc6282bff5ccca6b0fe078a2b4cb893fa97b461fe44b486a32b53

                            SHA512

                            725624ff415e5538f014ee952cb9045d1ae401a015b861f630126ec8f7e49fda788dc471debbf7006e2a6b4be10686de83bcd86482c79fb80aa8e531a890c5da

                          • \??\pipe\crashpad_4292_EFCMIBKPLWOGMTHY
                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e