Analysis

  • max time kernel
    1561s
  • max time network
    1573s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-04-2024 16:50

General

  • Target

    $PLUGINSDIR/WinShell.dll

  • Size

    3KB

  • MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

  • SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

  • SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

  • SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 224
        3⤵
        • Program crash
        PID:2908
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2628
    • 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,0x7fef6599758,0x7fef6599768,0x7fef6599778
      2⤵
        PID:2668
      • 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=1156 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:2
        2⤵
          PID:2888
        • 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=1528 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:8
          2⤵
            PID:3060
          • 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=1608 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:8
            2⤵
              PID:1660
            • 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=2184 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:1
              2⤵
                PID:2836
              • 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=2192 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:1
                2⤵
                  PID:1204
                • 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=1572 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:2
                  2⤵
                    PID:268
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2856 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:1
                    2⤵
                      PID:3024
                    • 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=3664 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:8
                      2⤵
                        PID:952
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3732 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:8
                        2⤵
                          PID:2984
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3752 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:8
                          2⤵
                            PID:3016
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3684 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:1
                            2⤵
                              PID:2096
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=1992 --field-trial-handle=1372,i,5737701168209726785,16299513144500831641,131072 /prefetch:1
                              2⤵
                                PID:2728
                            • 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:2008

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • 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\IndexedDB\https_www.youtube.com_0.indexeddb.leveldb\CURRENT~RFf77c005.TMP

                                Filesize

                                16B

                                MD5

                                46295cac801e5d4857d09837238a6394

                                SHA1

                                44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                SHA256

                                0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                SHA512

                                8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                Filesize

                                2KB

                                MD5

                                16a9f7743f5dff7c193085d40ced9bf3

                                SHA1

                                f22ff0130838a4e9a9095e7758a2f9d5433f2299

                                SHA256

                                416d22f1d474daff6f5b52cf5d7662122826c490deff7e044c3bb7a292033b6b

                                SHA512

                                c3fb781a25fe5b4f6e21eafc5074d6c42d416295627a82198f44735e9de0fa25fcba3f0e4a3b26617df7f1faa097663b9b0d2862053f12ffc9fdffd734db443e

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

                                Filesize

                                523B

                                MD5

                                313dd24be128e16f2bfb48d25448ded1

                                SHA1

                                5d5d7945062b84d98a6fbf5ff233daf3627ee217

                                SHA256

                                14d8a2346d36dae3f6b8a21db1808f242995f4fe09a3dbc166509f36839d8885

                                SHA512

                                0e7bd70a79c37d9d36edd429c2888b5cdce11b853b093c7513acc645b452712772065492eb260938be06499526e755bfaebaa8790b5b55324a21f5c618a92c70

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

                                Filesize

                                523B

                                MD5

                                395d57d152f6f42b4d4b49735ed9a1c9

                                SHA1

                                46e8cec23ca080caf2c208bd53a9b8ba7a04fe07

                                SHA256

                                99df1adff7120d40f047013071c2bf320d0b6184f625258b2628397d64a01aef

                                SHA512

                                52eeea48c8a61836e83a5686d5455047edbaec3331ee0b69ee362cff3801e5e2be532ab771750280d974051a9e29fad9e449cecff576b53a6a3d19632b6ff29e

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

                                Filesize

                                361B

                                MD5

                                71a148a33db4f2584e357d3849fd4b6f

                                SHA1

                                177f7de81055b1cfc7d32fad38689c444baa329d

                                SHA256

                                92b084e86cd75cec51165d2aa97a12252d7534411b089394ead5d5a9d72b5077

                                SHA512

                                75488b4fea72e242c926431daf2499e4b1982da2177c569fc7ecce7d1f841e56112a8e8a8e43e284bab14fffed0311fa4a38dc2dd3f4a823c33a3800a3b53a9f

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

                                Filesize

                                5KB

                                MD5

                                230ce6cde3616bee0ecb375c1c689e83

                                SHA1

                                f02c86396a93303328876cdfa9db8c1abbce8ab7

                                SHA256

                                c6d5ee941e29f105f05f9b2eaedccb8830cae5e22cc8aa2252b8ddd6f9490599

                                SHA512

                                15530120d9348179ef2cd7b535fbf639baf6e03293332322d38063f0b499814708a8a080d43fae1df77b371cab756c355282f30101091bb3513210d57121a162

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

                                Filesize

                                4KB

                                MD5

                                8a6d94a629729f4cbf216cc36411bb21

                                SHA1

                                12848e3eabe8fe212f2049a7215e8d91f1ea222b

                                SHA256

                                8682b68d9e221ed139a9e72d4618dff241d612abb82f0df5933aa92f18e15b61

                                SHA512

                                fe3645e8a10743754c350c81c674bdd0670e817edeec0a80c60e6d9e66c1cbfd6e3b15a8854856438347f551d677c7fb933c5eb704e60b0510695d898db31327

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

                                Filesize

                                5KB

                                MD5

                                e88fb8a9718c35f41b85b31448bf84f9

                                SHA1

                                d520a2a5ae726ec0c86e14b23e5b4eb3d33f10c6

                                SHA256

                                1b23a5ce66f95fbb4d4e7daee3797ef255620439f6ac2b211b7d5324092ec4f5

                                SHA512

                                b463d500065cc1c6e86ff4a9dd15ffb48dfd54ad38519bd9f4f4d724afa65595ad60e0c72c6f61de6663145d1a8f15baac256c9092eaaa8fa622eac92b25304d

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

                                Filesize

                                265KB

                                MD5

                                5fa1630617967f8dea30f1a170e7c2c1

                                SHA1

                                d59d76bdd7978a097024313f6985123571bc04e8

                                SHA256

                                f2ec6ba0d30e0d6b4f28f741508f8fdc6adb2d607f4520567df3021eb8a12969

                                SHA512

                                59b0ede8475ba54cfb94dc285e55eb7c783141dd3eb76f1ec9507ce90a812ccc8dd191c5fa259ab8efff52d3c3164c728dbca1ba743b86b54ea768aef9fe495b

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\d67f7115-ac4e-4404-87a0-0899009b22f5.tmp

                                Filesize

                                265KB

                                MD5

                                8151c05dfc89948856d37a81cb4d7d5e

                                SHA1

                                36b5d9d800cf19417017b283fb393b9d1db35888

                                SHA256

                                393539c56f1281e4f418ad0f82f7ebc2b07c3f83e6530f9a0c0ddef7653de7a1

                                SHA512

                                de96d1b3eff174f5f70ba87cea592819d27bbcc46e49dcc181d9842343b35453484ec8f487350682697792af3bc6770c4563d00dd2ce9720535be097873c6479

                              • \??\pipe\crashpad_2628_WPQKTITTEQKBGRWB

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e