Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2023 06:38

General

  • Target

    https://www.dropbox.com/sh/txocyxzb97dzpuh/AAAvAvMRqnPmIzTemqn9Ybdya?dl=0

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://www.dropbox.com/sh/txocyxzb97dzpuh/AAAvAvMRqnPmIzTemqn9Ybdya?dl=0
    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:1268
    • 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,0x100,0x104,0xd8,0x108,0x7ffe60199758,0x7ffe60199768,0x7ffe60199778
      2⤵
        PID:960
      • 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=1652 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /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=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2188 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:8
          2⤵
            PID:752
          • 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=2120 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:8
            2⤵
              PID:4760
            • 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=3044 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:1
              2⤵
                PID:1120
              • 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=3036 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:1
                2⤵
                  PID:4480
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4816 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:8
                  2⤵
                  • Modifies registry class
                  PID:1724
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4804 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:8
                  2⤵
                    PID:3592
                  • 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=5840 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:8
                    2⤵
                      PID:4352
                    • 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=5536 --field-trial-handle=1808,i,15974947333900271167,16351193392898598534,131072 /prefetch:8
                      2⤵
                        PID:4796
                    • 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:3756
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k netsvcs -p
                        1⤵
                        • Drops file in System32 directory
                        • Checks processor information in registry
                        • Enumerates system info in registry
                        PID:4192

                      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

                        2KB

                        MD5

                        b1cbb79d116731ee3130617e6d451936

                        SHA1

                        121e18a5cc404090b8a02ad6f79a817667d64f3e

                        SHA256

                        dc0370c0d9d08bbfc5b92f092af200cc5705d680c8632c09ef69580ea0bd0cb9

                        SHA512

                        afda9df6411e7ae3ef815056cb4edff36eb59f0151b078cf82069ab6d852b3ee873d621368784928cfd75c03d4fa5d66877007ec6015d6b34c9fb91a39fa8d06

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

                        Filesize

                        2KB

                        MD5

                        03f4ceea206186ec0062c2b166c70034

                        SHA1

                        5f2e57a5d051b7892fd3e7607ca4a2201539a131

                        SHA256

                        ff2aba3e25cfadc3e39bc6ebd8870bcc4e98a7268b674564aa97aa2c2918d195

                        SHA512

                        13254d934e9ee07c267def5a0bb485f8bd004cf1ffd7fadb47620a24eb797d96629ad18565c4aaedbeecb217675aec054a70674f4c72beaa6279fd7d31970830

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

                        Filesize

                        1KB

                        MD5

                        2e9a8c7621f0d67acf52870f8f1810a7

                        SHA1

                        e3ec7baff68f1cc32e5a325c8448a6427e471e49

                        SHA256

                        d702ad8b5c8744a730d0ec39e034a9cb0c5c876dc7ed7db8f463ea1b1cb5adfc

                        SHA512

                        08b27a1feb8da998254a9e3e25e671c5062d308cd2ab49ccad633ee2714d0ce55e742d94c00d94a10085d931d0bcd729bd7cb528697365e41b7a5fbb615fcef0

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

                        Filesize

                        1KB

                        MD5

                        75e2d624c251b575790f3e458f4aa8c0

                        SHA1

                        7801613f7fd6239c1e994f9a82fbaa46829c254c

                        SHA256

                        ea6d9dd0eecc8bdcbb70a45ff323f2c72690d63c87e5a31cefd428f0287400a3

                        SHA512

                        2090506815f4c696bf13abb1556c97fbbab0577035c64afe068eba1604e75b06e43dea5cc9fd3abad151edd8ea6af893167331252a65487a3a12115b1ce311b5

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

                        Filesize

                        1KB

                        MD5

                        9121f5f28de673d786a051e64c7a56d9

                        SHA1

                        80c546e130d24cfa03cc3128527d80de57902617

                        SHA256

                        54f01f66324ac45a329862caaf01f53c6bf8fd235bea8fe57c5412f405a3b9fa

                        SHA512

                        1ef800ca26753e66c472bcdf9704c60eefb25530460c375d5975d4f1d811c136c69f390b584cddb5cfc9533e2496de850d653ffdc2fd3c2555c5c36608a19646

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

                        Filesize

                        1KB

                        MD5

                        3fa1ee35bb9588c0a3a679b8d15f97fb

                        SHA1

                        20abbd8717bcf177597ec836ed20522f7ce83948

                        SHA256

                        df76da113d7038da88a39b6c5018a927cdae0f301070e8e67298f701b6eb19e8

                        SHA512

                        2ca2351922b6177b307d7d7903e6dedf142d283aabe276e3fa4b5493ba83a7a2a8368ef7efe2b57062cae5c5e09702085ad8e64f0becfd0dc6eb5d6b2ecc4921

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

                        Filesize

                        1KB

                        MD5

                        5d84289e3edc33b44f06688c88d2e96c

                        SHA1

                        fd6a552bb461a82c42efaf1abfde3e9564f20024

                        SHA256

                        21269d3e7ff80b9ee33fe9686852c6d3263896276adc39407834a05677958c0a

                        SHA512

                        2334b1fac0d5a71bd403ad05ba8957ae6218d761ef2ae61beb2f62e303089684d194fe7f038b4817059fc27b74395ec852d403e0c451869e032efafabcc16b47

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

                        Filesize

                        1KB

                        MD5

                        3ecd562872ddb0396a97fe9530a98814

                        SHA1

                        44236b76551b3802d970036c4ec6bd1cee4f4a82

                        SHA256

                        3111bf644bf55d3394849c7c79be5ae92b08af8f20f2b89d1e1699f9f653b110

                        SHA512

                        e66969aabc6d1b15fe4ef74616800140c24c960bc6bbdc7471ce2b7452922378b51abaa2a07b79cae371a196e19145e81b443ff675b699c478ae9559a1e4107d

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

                        Filesize

                        1KB

                        MD5

                        f849a4cca0616886b432d86c7a276d4d

                        SHA1

                        c9d286b97c5e356ee13d0f7f0690ea83c1b40a1a

                        SHA256

                        53972ea2aa4583801cd9c83eca2818a7b07fa01fe94163e43ea01c18e86a839e

                        SHA512

                        da528570fe3c2ec92e6dc98be754720bb668376cc0ac82be89bb53017ac95f37acd116708554249a7b78a081d36f426a584fb1040b208fb4f0a44d2fddc61839

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

                        Filesize

                        1KB

                        MD5

                        1c2904fa5a590c69e56bb037c815fb37

                        SHA1

                        a139bc1392cced011ca60391b619a308fbed0f25

                        SHA256

                        3f0da9a5a6220d10bc19197011a07241751186774b62ecec96d808d42c3625f1

                        SHA512

                        4498d56b02b9bb2f387019ccce2766abd9c8cbb5fba8437448b5460eb115549185e5ee1c38efe58d02648fe5307a607bfa5b9f635fa4fffcdc97c1eb617f70da

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

                        Filesize

                        6KB

                        MD5

                        5829fba19445fdc681c86c4eda708c45

                        SHA1

                        ff5697dea4ab228a885055ad7b61c30ceee820d7

                        SHA256

                        de8094a6e4588cebef3393f7c21d8cda8c7492234189f2cf773f3f112a583c96

                        SHA512

                        4de8c62c8479024fe730c36d1b76782ef821978964703039bc3b4a4ed17666d0153056d53f32a6c42136ed73c45c7941e021a915d5b48a854d1687c58771a772

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

                        Filesize

                        6KB

                        MD5

                        478b8ae6694ea2cd7f34d3fd66a4d592

                        SHA1

                        d9ea6fc702f953eeaa62d7a2b7dfb92d7525a436

                        SHA256

                        1b4abf5f3d73c3b3ae992fb8e1109b84e77cf0eff4dfff99647ec62b54a38801

                        SHA512

                        0e0c4542b4516db4a70f57c0f4e93804e9da57ec018fab4da81fc1bc0f32dfc115e815a8ec29a128e192bb9a51c6ef0b44cbb8f57050ba02bc68dee04fe690ad

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

                        Filesize

                        6KB

                        MD5

                        e09a0d44fc107838e09036bcd134fb5c

                        SHA1

                        ce275d01e1945c728700c3b1915b6fc281ef2c80

                        SHA256

                        4a65b79f9da00911d4934ce03e92d733e7ba92b0f1c15f5a11a6a12c144037ad

                        SHA512

                        308cdc0e8aa4e2adb75eec0f0f25364c8bd19594df0970880ff65621e09c8207ecb60b157b7baf882ea48a71f2b0f361f30ca77c8d44d3b8799b8adb4d5f4e5f

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

                        Filesize

                        87KB

                        MD5

                        53b278d2e96b9558ba486e7116c565ee

                        SHA1

                        4aeba43098c4d38fc68e1550a92d36bd3468131a

                        SHA256

                        3d7ef75048bed4de920b621409e3605511041f8625ab7be449b1c9bf76dcbe46

                        SHA512

                        015211baafbeed12f644c9ae58680e930895638df621d0772e3269abd9ba773da5d96e6f97d0ee4c3c75806dbb7aeec051a5f998afa192c1d602effef841f197

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

                        Filesize

                        2B

                        MD5

                        99914b932bd37a50b983c5e7c90ae93b

                        SHA1

                        bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                        SHA256

                        44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                        SHA512

                        27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd