Analysis

  • max time kernel
    30s
  • max time network
    30s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 13:59

General

  • Target

    https://gofile.io/d/MavGTt

Score
10/10

Malware Config

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Downloads MZ/PE file
  • 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 58 IoCs
  • Suspicious use of FindShellTrayWindow 48 IoCs
  • Suspicious use of SendNotifyMessage 32 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://gofile.io/d/MavGTt
    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:3528
    • 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=0x100,0x104,0x108,0xfc,0x10c,0x7ffc04d69758,0x7ffc04d69768,0x7ffc04d69778
      2⤵
        PID:1376
      • 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=1752 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:2
        2⤵
          PID:1308
        • 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=2020 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
          2⤵
            PID:4652
          • 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=2200 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
            2⤵
              PID:2160
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3016 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:1
              2⤵
                PID:5016
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3240 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:1
                2⤵
                  PID:2548
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4612 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:1
                  2⤵
                    PID:4916
                  • 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=5116 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                    2⤵
                      PID:4768
                    • 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=3448 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                      2⤵
                        PID:1944
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3800 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:1
                        2⤵
                          PID:4768
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5196 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                          2⤵
                            PID:2124
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5344 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                            2⤵
                              PID:444
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3400 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:1
                              2⤵
                                PID:2012
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3888 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                                2⤵
                                  PID:784
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3800 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                                  2⤵
                                    PID:4760
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5608 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                                    2⤵
                                      PID:1532
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4624 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                                      2⤵
                                        PID:4740
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3456 --field-trial-handle=1888,i,64883927704524660,3949679728281571807,131072 /prefetch:8
                                        2⤵
                                          PID:3308
                                      • 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:1944

                                        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

                                          288B

                                          MD5

                                          fcac22850a843cd4679fbf2b8114b003

                                          SHA1

                                          9507bf3e8d2c0a034a2c5c8a4e49b64ce8c33893

                                          SHA256

                                          e968dbb901709ae80cb5aa726a915cba9104014969ac438dc9f6c9ffbb4c1773

                                          SHA512

                                          78cfd42c670599962eadea10f92957e22490ae0662590f76a9a4c5216a6286e2c406c0040c985b6d24529984849fb082ed5a8251ca3e2e7b66795c54f32d2299

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

                                          Filesize

                                          1KB

                                          MD5

                                          4af5b3133920118548c5743431cf96c7

                                          SHA1

                                          0ad1d9cb82163d40eef868525352fed81fb69846

                                          SHA256

                                          cea6b85e142c9a7e1f4a3f5308f5b44614d5cc15fda97041d00f8b1fc702c021

                                          SHA512

                                          45096fd9af33a7d2bce0406224632a84710f9538203f454a3695d2a0479c77f347ba047718d5264a4577ffedac9f7c86d405e8156e4b709a958cf39171d170a4

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

                                          Filesize

                                          705B

                                          MD5

                                          385a3ea99883577e8fffdf485f175af4

                                          SHA1

                                          7b2e4f1ef842e4a18cfad6c4cc53454013bc351d

                                          SHA256

                                          0e9c22eb0496ce90eefd4521648fe40e6901143524bf8fe3377f2bebff823e5e

                                          SHA512

                                          841fe5fd32582133255150733fa4400f3078202e8335f53e05fc9375b97e21401c480f096d7d118fe94e6ff56e5e913bdd7d786125610f3aae134a50b85a20ef

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

                                          Filesize

                                          6KB

                                          MD5

                                          e18cc5f17df42005ff34732625f708b7

                                          SHA1

                                          74c1f625a404d0af2574b452a33b2f6e1a47920d

                                          SHA256

                                          90ce9c6885513f7e6a78cbb27c794a112f0aa1881c3fad198cfb1c08924001c1

                                          SHA512

                                          544d5569874a2291135852d2c1af87503a2e8624ed4e8ddf42cc952c809f15d3fa4f7b783cf07f5247d263fb0851aaec876b88fbdfde67e251689db7b70aaa7c

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

                                          Filesize

                                          6KB

                                          MD5

                                          00289a66e77c0be35b63d0b3605e1739

                                          SHA1

                                          9ce728e3d1f12233028ba5598902e730dbc8581c

                                          SHA256

                                          0e909d681babba645cb739e55d0d510258ceb36dee9321c4a34db98bf356dc96

                                          SHA512

                                          45ed539c2e432f34fac644231a1b9bdc70f5289c4b9709e2d8802249a26ca4d796b42b94037b73b160bf54ef5f98fc8f32e6afde5510ad1b37621d7cb4de063a

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

                                          Filesize

                                          128KB

                                          MD5

                                          8d51fb388e7fb0e7a885740d618f6bcf

                                          SHA1

                                          71490f125d5ec68a282c5b19fbc0b3cd37bdb4c6

                                          SHA256

                                          5b499488dc6a60c0cf07f95402a8f975aa274233a892c827ec12d6be342939c4

                                          SHA512

                                          2a5414472230d15750ec2c6f86d7086eec78b3ded91d6c64f43b01c70aa38299f6f61ba76e27def127e99a0ba50fc7cd78ae41fe35b21f1ddd6669e5aceac993

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

                                          Filesize

                                          2B

                                          MD5

                                          99914b932bd37a50b983c5e7c90ae93b

                                          SHA1

                                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                          SHA256

                                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                          SHA512

                                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                        • C:\Users\Admin\Downloads\Unconfirmed 478712.crdownload

                                          Filesize

                                          63KB

                                          MD5

                                          7d91fe5e23c6657c050546679a5c3df1

                                          SHA1

                                          5cd350975051165328834ffa64e463fb6bd77180

                                          SHA256

                                          6a1af68595e4fd1747fbadc3d55eb1bbd985282d1f3ead9d358c6a0dffbf48b9

                                          SHA512

                                          a8b584eaed874531036b5bcee047a73169e3848576e9784679d3c6a242041b79da77fc08d97f5c9d91a6ef6999139b3146831f3a96195887f99ddf7e6e3c0eca