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Analysis

  • max time kernel
    609s
  • max time network
    500s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2023, 20:04

General

  • Target

    http://r20.rs6.net/tn.jsp?f=001KOFgqL76TPoDYnKrclTnM70xE8KSzrAnyGfOsbxdhoowfEmuW4YXsc89mc0vKt1s5o_2p6HmZxMdUAQI3Z29mavE7oIw8XATcT4K1m3WG7y7BLA9p5LHmfHxvU1vMGW6eDN_2e3huUc=

Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://r20.rs6.net/tn.jsp?f=001KOFgqL76TPoDYnKrclTnM70xE8KSzrAnyGfOsbxdhoowfEmuW4YXsc89mc0vKt1s5o_2p6HmZxMdUAQI3Z29mavE7oIw8XATcT4K1m3WG7y7BLA9p5LHmfHxvU1vMGW6eDN_2e3huUc=
    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:4364
    • 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,0x100,0x104,0xd8,0x108,0x7ff91c0e9758,0x7ff91c0e9768,0x7ff91c0e9778
      2⤵
        PID:4892
      • 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=1760 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:2
        2⤵
          PID:3812
        • 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=2188 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:8
          2⤵
            PID:4024
          • 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=2124 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:8
            2⤵
              PID:3360
            • 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=3008 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:1
              2⤵
                PID:3756
              • 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=2988 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:1
                2⤵
                  PID:4676
                • 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=4856 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:1
                  2⤵
                    PID:4196
                  • 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=4988 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:1
                    2⤵
                      PID:2260
                    • 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=5328 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:8
                      2⤵
                        PID:2076
                      • 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=4792 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:8
                        2⤵
                          PID:4456
                        • 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=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 --field-trial-handle=1880,i,3490390880931906633,3469239933128072834,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:5108
                      • 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:2728

                        Network

                        MITRE ATT&CK Enterprise v15

                        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

                          120B

                          MD5

                          7cc9763e73de2386f94d165847bf81ae

                          SHA1

                          4344b1672565ea6aab6bd5c2707a77e36050e1f4

                          SHA256

                          84a67a6df5e8ea1a7af3fe53f30dce782994e6a9d77e65759847f3817e13bf1a

                          SHA512

                          2d11d79575de1af9343664406f40e3d1b1e59ac8897af570d93971ae67fd23ecd34241fc32b5f8e3d59faeccd9b0223c43edba32d2fb7d0cc22e8beab16e9315

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

                          Filesize

                          2KB

                          MD5

                          8c851f27c2b6985b66b3cdc7c05e6312

                          SHA1

                          8b9ec4c3470e524178c4d6111a83c24b163ca5fc

                          SHA256

                          6c88098ae3405bff23c4e3c20f2298273b7c8d4055b145081d6fdb03bc56677e

                          SHA512

                          36ea55a4ce8915c512a353741ed6d405d131cacbfa18ea8f956c66a6fcd232e5b43b6c9bf88bea755d63b0d359233d02ef7a886c880ecc3fea50d744e8e71cd4

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

                          Filesize

                          1KB

                          MD5

                          f2351b03614e931b7843eab3643cf54f

                          SHA1

                          d0dc02dd392a82598e55b6a884bc9ae5dd49bf11

                          SHA256

                          be3e7e107256d378c25c14ad58ad39920ae80fb6702b8e2d88cc4699a7628c3b

                          SHA512

                          561e45553fe55dea1f3db8f937a9800168b11bc6e732ebd84106e0e8752f2f951ab58bfa1e71a289e196aad532a8179bc33af9ce909823b6e19c4498e3272c75

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

                          Filesize

                          538B

                          MD5

                          c01d21ace4d68753b933a61c63067c6b

                          SHA1

                          a07c16811478254676d87635507ba134c5b84bb2

                          SHA256

                          2a4a5985516081413203cc49e8092c8d482ab7c2e41766c2cd08ea7862ab319e

                          SHA512

                          963426aa6b09a28781d36c20199dcbe6bdbe2db2a6bdd02bbaba9cc9d8f69f7d795ef1467fd4055a2c1c1800a906df81e7eb37f4cb89d15f0e6178a9078acd35

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

                          Filesize

                          6KB

                          MD5

                          c123db13b58771adddcc4ee38c9edfab

                          SHA1

                          17f373b917d94fd980d941b602b0adc368f057d9

                          SHA256

                          3fb0d37662ee4ed47f0a743082a49c02060c2571418b2cd2d016d0d4454bda12

                          SHA512

                          8fc6c0470a1b24c27a1bac13ed3c5ecc0df2d7999038f3652cd31e30f156156ff9a276d8f4df0a47c8e5939365a3cba5bb2de6fdf34c34f590d9a8a8a1710f01

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

                          Filesize

                          109KB

                          MD5

                          884018a6711656bedf250183e0ee9cb5

                          SHA1

                          bbb8e23c5cdea3edca18b22a1bd8f523489c4e35

                          SHA256

                          13fe2ee1da521abfb7e0dd283168f6f92f8661d98a1d479ca98a5e5287f21f06

                          SHA512

                          9be5e32b8ccc1d26fc402a5231d6d2b44426438cc30fdf89c4804fe984bd52e85572c6ac98a1ffd59d50e95268de56d51d0ec5eaa20478d3c9758edf29239ef5

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

                          Filesize

                          2B

                          MD5

                          99914b932bd37a50b983c5e7c90ae93b

                          SHA1

                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                          SHA256

                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                          SHA512

                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd