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Analysis

  • max time kernel
    75s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2023, 03:26

General

  • Target

    AI Verification Tool.msi

  • Size

    8.1MB

  • MD5

    fe32a93b8ed4344e76673a23c604e90c

  • SHA1

    f97f313dbcd04d12d2cf57800c621764be913de2

  • SHA256

    0bfa57b1afc0367ae7663b769bcaacf6d4d59c802a011dd9c11811409a36e342

  • SHA512

    a2f3377e18f31bca7f4e0951d2c8f2f507bf0446e350ae6fe503febbd56edaeb329af3ce0fe1377baac50df7722a674f65c9378dcd0faa88816e1733d41d7072

  • SSDEEP

    196608:9gWlD5FAHHcbU+CNSf2U9Pxmat3sXSbNioZzQ:9nllGcSNw2U9PxmqCSI

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://www.google.com/webhp

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Drops file in Windows directory 10 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 3 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\AI Verification Tool.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2412
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Program Files (x86)\Google\Install\install.cmd""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM chrome.exe
        3⤵
        • Kills process with taskkill
        PID:596
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM msedge.exe
        3⤵
        • Kills process with taskkill
        PID:1996
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM brave.exe
        3⤵
        • Kills process with taskkill
        PID:464
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -ExecutionPolicy Bypass -File "C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic/install.ps1"
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --load-extension="C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic" --new-window https://www.google.com/webhp
          4⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1516
          • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7feef2f9758,0x7feef2f9768,0x7feef2f9778
            5⤵
              PID:1740
            • 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=1104 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:2
              5⤵
                PID:2080
              • 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=1492 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:8
                5⤵
                  PID:2124
                • 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=1616 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:8
                  5⤵
                    PID:2364
                  • 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=2288 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:1
                    5⤵
                      PID:1756
                    • 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=2300 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:1
                      5⤵
                        PID:1732
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --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=2876 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:1
                        5⤵
                          PID:1156
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=3268 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:2
                          5⤵
                            PID:1004
                          • 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3468 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:1
                            5⤵
                              PID:2372
                            • 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=4136 --field-trial-handle=1360,i,14566529772070843136,5327152196199435305,131072 /prefetch:8
                              5⤵
                                PID:2032
                      • C:\Windows\system32\vssvc.exe
                        C:\Windows\system32\vssvc.exe
                        1⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2616
                      • C:\Windows\system32\DrvInst.exe
                        DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000002B8" "00000000000002BC"
                        1⤵
                        • Drops file in Windows directory
                        • Modifies data under HKEY_USERS
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2468
                      • 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:876

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Config.Msi\f7694d4.rbs

                          Filesize

                          9KB

                          MD5

                          3513ef16ef054a2f568125bae0809dd0

                          SHA1

                          16e6760ca42e31cdbf2937e9fbd0e607bcc1d6e6

                          SHA256

                          37894c3303e8020b2e49e80909024e0df058b7d828eade19a222a21a24efb38c

                          SHA512

                          13b76c07c7bcdcf9fa2b51eb27de7645169ccd47c76159c09e6612b527dfcd24a42eddbace5833a8f7a69fbb2c1201cc82269f8e524107699f0d425ecddde7c1

                        • C:\Program Files (x86)\Google\Install\install.cmd

                          Filesize

                          200B

                          MD5

                          0a7d6d0a288a233c07e4a662db7693e8

                          SHA1

                          f404c8e2213baf004b823e1a87e3eece01c36246

                          SHA256

                          d0b30b5c2b07e0766ba9c3a98c92ad91d3e86e06bb1e237d0c5fc7baeab8c646

                          SHA512

                          3e751e93d6d64790c4b032458bbb7f07adfe201161089654b1eafe84c3f0692495d6d603e16743c6b76e176347fd2df3b427b64011c9e8cde15ad9eec7df2071

                        • C:\Program Files (x86)\Google\Install\install.cmd

                          Filesize

                          200B

                          MD5

                          0a7d6d0a288a233c07e4a662db7693e8

                          SHA1

                          f404c8e2213baf004b823e1a87e3eece01c36246

                          SHA256

                          d0b30b5c2b07e0766ba9c3a98c92ad91d3e86e06bb1e237d0c5fc7baeab8c646

                          SHA512

                          3e751e93d6d64790c4b032458bbb7f07adfe201161089654b1eafe84c3f0692495d6d603e16743c6b76e176347fd2df3b427b64011c9e8cde15ad9eec7df2071

                        • C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic\background.js

                          Filesize

                          18KB

                          MD5

                          37c3a74f360a113cce683949187d3b0e

                          SHA1

                          cf15caa5634d64fc5517021abd11697b63bf6b41

                          SHA256

                          0dfa4f3fc9d99a7e8765f4d116740bafbbfbe5da25fa100682f7896680a09391

                          SHA512

                          ad67954c51046fb3dcd186094f2f85fa460f157ac35c54e3ce503ca41dc1f72c7d12ec06fa662b1637955a326bff52d4c0688d5086c428cdba74b6d9c29a0e8d

                        • C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic\content.js

                          Filesize

                          258B

                          MD5

                          4d53e2f9289e4d01cb88e277bba25c72

                          SHA1

                          a54fc0fd884a33229216eebd93d868f0c43eec0d

                          SHA256

                          ff5cc0f88e7f10993ac60437a74ca9224ae13c9d15b86677991d053242237195

                          SHA512

                          25d96794904b7e5401eb6789ea0f2f22b535b9b6aa69d119a5f65115c06556e156abb66de17f889986940400904d262e744057e4e0daa7aba0505906d6b98cff

                        • C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic\favicon.png

                          Filesize

                          2KB

                          MD5

                          8be1facb79791a064862a61399b6dfea

                          SHA1

                          93bc1b7172e9a3aa7c7d7b24b7be53c992e4566f

                          SHA256

                          89ff11a2237f9ec798ed4493738b14be76f11f282c5ab755847779fe241ef857

                          SHA512

                          6bdbb91648377ff2af465973c85021085ff413ab0b8da3c59127f46e5b58e9116c5227ed4c8e923d98185f8a85471e84007c927b58a21a06f081e702d0e731ab

                        • C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic\install.ps1

                          Filesize

                          1KB

                          MD5

                          b6ff7935b71f74697671e0f32d8860f6

                          SHA1

                          516e483421c82aba020cfe315fb6f61dac984150

                          SHA256

                          1431e81d97ef11f2041dd18731ec23470c8e04480a357d9c723f9cf2e562c9bf

                          SHA512

                          514ea760d1105c00a7a026ad6e8bd0eafcfebf121b522120d2d02dacf1b333b05553944dbf963c0927d48577c7e45b073b426498c338b8ea25e120927217cafa

                        • C:\Program Files (x86)\Google\Install\nmmhkkegccagdldgiimedpic\manifest.json

                          Filesize

                          714B

                          MD5

                          162ce37b0f293f4cfad78aeffa7028a5

                          SHA1

                          4633122a48f30074e75379aee0eabdc2a934846f

                          SHA256

                          f7ae9888bbfb60d6598fe9247fef9edebc8928593f4e4032292d846e40b50254

                          SHA512

                          888a4c2e7108ea31d29dab5314daae5729fb1f9e0b538db1aa272443499fe321d95d0e0c912ae262e2058acf81a15adbd5ae64c76485ddd9251bc75e974dbc44

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension Rules\CURRENT~RFf76b107.TMP

                          Filesize

                          16B

                          MD5

                          46295cac801e5d4857d09837238a6394

                          SHA1

                          44e0fa1b517dbf802b18faf0785eeea6ac51594b

                          SHA256

                          0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                          SHA512

                          8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000004.dbtmp

                          Filesize

                          16B

                          MD5

                          6752a1d65b201c13b62ea44016eb221f

                          SHA1

                          58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                          SHA256

                          0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                          SHA512

                          9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

                          Filesize

                          5KB

                          MD5

                          25949be0fc6991c15e85824640b0f180

                          SHA1

                          88cbb3b9a3d62b12059b99ce08bd5cb6a5ed4c37

                          SHA256

                          ac1ba6367b1006399ac99aef43363b825dc39ba393eaa590d148a9eb4715c90d

                          SHA512

                          ae2531f574304c87a0865d12d07299643a6dbd4da7ef3b5f7afc4aabcfd7900a21443f2184e01f56ea08d3fc6bdfb51d87b3e41d8fa9c9c316d5d3de1637a87d

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

                          Filesize

                          5KB

                          MD5

                          49dadec34090dc49e5aa24bef1ede1b7

                          SHA1

                          9dc3d6c44ecc84fd112b7cf779a68d677b14a9a1

                          SHA256

                          f68d540b23b510acce026a83f1c2b2632edaf1ca2ecac931f45bb0c2c1d1ad88

                          SHA512

                          35ed77f17be696d620e0f1e9ec967594b14856a0f1b0b74cd3e7b7cdb936925ad9775620cc55cbcf575513705e87502c24705da058fc08b005f6a510fb1a4f5a

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\Database\000002.dbtmp

                          Filesize

                          16B

                          MD5

                          206702161f94c5cd39fadd03f4014d98

                          SHA1

                          bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                          SHA256

                          1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                          SHA512

                          0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                          Filesize

                          16B

                          MD5

                          18e723571b00fb1694a3bad6c78e4054

                          SHA1

                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                          SHA256

                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                          SHA512

                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                        • C:\Windows\Installer\f7694d0.msi

                          Filesize

                          8.1MB

                          MD5

                          fe32a93b8ed4344e76673a23c604e90c

                          SHA1

                          f97f313dbcd04d12d2cf57800c621764be913de2

                          SHA256

                          0bfa57b1afc0367ae7663b769bcaacf6d4d59c802a011dd9c11811409a36e342

                          SHA512

                          a2f3377e18f31bca7f4e0951d2c8f2f507bf0446e350ae6fe503febbd56edaeb329af3ce0fe1377baac50df7722a674f65c9378dcd0faa88816e1733d41d7072

                        • memory/2804-47-0x0000000002610000-0x0000000002690000-memory.dmp

                          Filesize

                          512KB

                        • memory/2804-54-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2804-48-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2804-51-0x0000000002610000-0x0000000002690000-memory.dmp

                          Filesize

                          512KB

                        • memory/2804-50-0x0000000002610000-0x0000000002690000-memory.dmp

                          Filesize

                          512KB

                        • memory/2804-45-0x0000000002610000-0x0000000002690000-memory.dmp

                          Filesize

                          512KB

                        • memory/2804-46-0x00000000022A0000-0x00000000022A8000-memory.dmp

                          Filesize

                          32KB

                        • memory/2804-44-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2804-43-0x000000001B2B0000-0x000000001B592000-memory.dmp

                          Filesize

                          2.9MB