Analysis

  • max time kernel
    22s
  • max time network
    23s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240319-en
  • resource tags

    arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/04/2024, 00:13

General

  • Target

    https://r20.rs6.net/tn.jsp?f=001iVpaGUxb18QqT7NMqVWOuL5qZz_prp7d76NmocSv64NoyH534QjIxMzTremfFgGmtmMW12uf5dxp6xOPKN9o2XSW0zVpur3FB9yjPuS_CRxPOq27F_BvWcvAZcbQS3qFRL8Rc_h-tWHyw-hvjI3Haw==&c=S-8Cd1JvaJsn4cSeE8KoWXXPSbN8Y_TY-vai-_q42g2B3BN38E5mcg==&ch=D_AIiYXfNPVf8CqYgpcaJxqYsSQRRwgooyhM2zRBCYgKRJURf0zbvA==/ssl/cess/file/MD6/7CHAR/#c2VjdXJpdHlAZXNhYi5jb20=

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://r20.rs6.net/tn.jsp?f=001iVpaGUxb18QqT7NMqVWOuL5qZz_prp7d76NmocSv64NoyH534QjIxMzTremfFgGmtmMW12uf5dxp6xOPKN9o2XSW0zVpur3FB9yjPuS_CRxPOq27F_BvWcvAZcbQS3qFRL8Rc_h-tWHyw-hvjI3Haw==&c=S-8Cd1JvaJsn4cSeE8KoWXXPSbN8Y_TY-vai-_q42g2B3BN38E5mcg==&ch=D_AIiYXfNPVf8CqYgpcaJxqYsSQRRwgooyhM2zRBCYgKRJURf0zbvA==/ssl/cess/file/MD6/7CHAR/#c2VjdXJpdHlAZXNhYi5jb20=
    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:956
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ff8e17b9758,0x7ff8e17b9768,0x7ff8e17b9778
      2⤵
        PID:1300
      • 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=1648 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:2
        2⤵
          PID:2368
        • 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=2056 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:8
          2⤵
            PID:868
          • 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=2184 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:8
            2⤵
              PID:460
            • 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=2968 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:1
              2⤵
                PID:3800
              • 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=3096 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:1
                2⤵
                  PID:2108
                • 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=4596 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:1
                  2⤵
                    PID:2180
                  • 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=3112 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:8
                    2⤵
                      PID:2356
                    • 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=3148 --field-trial-handle=1812,i,234078146599779311,13296032034207092711,131072 /prefetch:8
                      2⤵
                        PID:4896
                    • 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:4952

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              6KB

                              MD5

                              9a1952c66dbf0ca4ca7fa539818a1ff6

                              SHA1

                              bf81b01536b77be7607a15a57acb3128fa6fb64d

                              SHA256

                              0053fd7c2920549429d67bcb36b1f825771bf148dd98141f4b714d86ccb4262d

                              SHA512

                              eed46adf42a68d160cc59d3c04ee3c89c7d0e0304a659063af9e3cfa49e7a988e4696bffbbe5559718d011d9ce408f445c17d6e87cfea6b2254cddfe67c393fc

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

                              Filesize

                              134KB

                              MD5

                              77e694900abaad2fdd70519c8285c7e8

                              SHA1

                              f387b2063ffa8e0025dd4b9aa8218c9d64da2004

                              SHA256

                              a1fc25930b46c9f7e504366178f7d592d96e335a7b31e202517cfdaed3a7bff8

                              SHA512

                              8d909850a02a8bc50b1401644699fdb2c457d74c74d297589e0b06fbdfd3427175f05763fdebc5841c1ed34eb89b97095c58a66da45843967bcf1211b618ecab

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

                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd