Analysis

  • max time kernel
    42s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2023 12:31

General

  • Target

    https://sites.google.com/view/businessmessage/home

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://sites.google.com/view/businessmessage/home
    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:3804
    • 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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcc42c9758,0x7ffcc42c9768,0x7ffcc42c9778
      2⤵
        PID:3272
      • 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=1748 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:2
        2⤵
          PID:3916
        • 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=2136 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:8
          2⤵
            PID:4704
          • 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=utility --mojo-platform-channel-handle=2236 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:8
            2⤵
              PID:4588
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=3172 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:1
              2⤵
                PID:2268
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3184 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:1
                2⤵
                  PID:2100
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4664 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:1
                  2⤵
                    PID:4396
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4876 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:1
                    2⤵
                      PID:932
                    • 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=5460 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:8
                      2⤵
                        PID:1432
                      • 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=5528 --field-trial-handle=1884,i,18187446735798544036,1054817566473099749,131072 /prefetch:8
                        2⤵
                          PID:4332
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:552

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

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

                          Filesize

                          312B

                          MD5

                          abc855dfdef77cbff385801f11cdf203

                          SHA1

                          395661e216a4d426069e2d471321f8de29945cd0

                          SHA256

                          3ec13979bf10bcfb7ded57f997e346aca97a76728d412894a104b3c171af24fd

                          SHA512

                          2666b030000915a579d10e74319ac620d748b43cb72d6a910a029497b68fdf87bdc52d4e678a7042f0da2c08f122aabad08db1222023ed406bc41c14c851c128

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

                          Filesize

                          539B

                          MD5

                          5b1bc8412dc11f3e5e050157cdd3fb1d

                          SHA1

                          a11f09655896083f507ef98aeb9a4247f79b7829

                          SHA256

                          bd5e662875d4cb08c7b920b9d7535a9b666eb3cce58f0543f8eaa84da7a16da2

                          SHA512

                          45d5c966a491b297952e6625916d0ba7ac1e67a5f3dc9ce755f6d31c7029c2cb98400a4c7a7f2eb7b09654d1b80a4d2a567a9f2e289cea78b77bd9aca4bbefd3

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

                          Filesize

                          5KB

                          MD5

                          8bed761e1ac2d4da60fb6741ba4b9cf8

                          SHA1

                          f460a9e1f91bc0d8df9f032ad7b452fcca2f3dc5

                          SHA256

                          97b6d7a3e8ff1a4d1ac75e532aabd5afcc0972ca2bfff2cabf6f6513bbcf58d8

                          SHA512

                          be550505b01ca483a5df58d1c6d6bdfec0afbdfb691e87d59c1cb4565795f72c625438f38ffd7c68dc0d3800a172c4148d6e4ce5c8e5511c955b25d966f1cc40

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

                          Filesize

                          87KB

                          MD5

                          7ba7975b903b6e9f53d0c9e82c2475c6

                          SHA1

                          dbfc116ea4fc1e0046df24ccc61bb4d3315ae0ed

                          SHA256

                          2e6e36a561234846167b201df76b94e2b48a39e198857323008bc8083cf2d8f6

                          SHA512

                          8d3806e3845e5c20fa9eec868add45ced16e62e66459ed807740ae880e25ef906cb16d6225a8a54d5ac682087a39488e86f4c9b9035db290d541168dd1f12077

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                          Filesize

                          2B

                          MD5

                          99914b932bd37a50b983c5e7c90ae93b

                          SHA1

                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                          SHA256

                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                          SHA512

                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd