Resubmissions

11-06-2024 14:52

240611-r82wma1fmr 10

02-03-2022 18:01

220302-wlw43sfgh8 10

Analysis

  • max time kernel
    31s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 14:52

General

  • Target

    13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll

  • Size

    219KB

  • MD5

    ecce8845921a91854ab34bff2623151e

  • SHA1

    736a4cfad1ed83a6a0b75b0474d5e01a3a36f950

  • SHA256

    13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033

  • SHA512

    36fda34df70629d054a55823a3cc83f9599446b36576fbc86a6aac6564460789e8b141eeb168d3e4578f28182da874dd840e57b642af1a1a315dfe08a17b53e0

  • SSDEEP

    6144:pjU6yx1p7lvER8SPD/xzL0ruSSbAOfyV:Ju1pZvPuDF0ruSSbkV

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 34 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\13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll,#1
      2⤵
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      PID:1740
  • 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:2104
    • 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,0x7fef7aa9758,0x7fef7aa9768,0x7fef7aa9778
      2⤵
        PID:2476
      • 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=1188 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:2
        2⤵
          PID:2592
        • 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=1564 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:8
          2⤵
            PID:2416
          • 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=1652 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:8
            2⤵
              PID:2568
            • 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=2268 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:1
              2⤵
                PID:2516
              • 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=2280 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:1
                2⤵
                  PID:2988
                • 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=1440 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:2
                  2⤵
                    PID:1824
                  • 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=1208 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:2
                    2⤵
                      PID:2080
                    • 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=9 --mojo-platform-channel-handle=1184 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:1
                      2⤵
                        PID:2960
                      • 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=3472 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:8
                        2⤵
                          PID:2928
                        • 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=3592 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:8
                          2⤵
                            PID:520
                          • 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=3824 --field-trial-handle=1324,i,12211654143604568359,11462981377343906441,131072 /prefetch:8
                            2⤵
                              PID:1688
                          • 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:584

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\9ae70642-75ea-46c8-a5c5-8cad2d6054dd.tmp

                              Filesize

                              274KB

                              MD5

                              345d48171eae3e42534ef3b40c5eb675

                              SHA1

                              85c623547f211f13be43b971f5a86c5ea17cc1ee

                              SHA256

                              1bed7624a792b2559a95993c27dd8015057329fdd397ee44cc64f362a06f16cf

                              SHA512

                              cf62d8e4a527011a15002c8e7bc51621bcb6004fa658efbdb509f0acbce90fe8bcee8f48337cde8dd682f598e5dcd0c5b671b83a949cb57fe62879c709a34c4a

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

                              Filesize

                              4KB

                              MD5

                              2c76ab72f9ccb455de5f8e5fec21fa7e

                              SHA1

                              dffe843a5d9d0ecfb083f99adb27413b4090a46a

                              SHA256

                              0e197762bfeee5ec8146f3b9e373f8b89e189cc12288f0eb9bcbe9522e63d89b

                              SHA512

                              a0c7f75482377da18fef7a26a3f7cc66bc5b6dfe51ae4ab42c167f9befc13d6efee1cf4eb3e3bcf554b4a2d6481afe2a6bf6821a1f4324958ea1b0f9032a1388

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

                              Filesize

                              4KB

                              MD5

                              820509a42ff095e52b0a9ff7506dde9f

                              SHA1

                              0ed9f66add019759b0dc3d593a24c88b3e4e8dd2

                              SHA256

                              6578678ee7fee046d9fd091ba6f8ce2167b60ba3a1839448067e4dcfae53df24

                              SHA512

                              5e2033f0e41220da56fc34e9af1c01cf33e435627e4fea871505bf09ad42cc12989ea2221a5d2a95e5cc9c677285038462cbbba08069e8f723268f381e1941f6

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                              Filesize

                              16B

                              MD5

                              18e723571b00fb1694a3bad6c78e4054

                              SHA1

                              afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                              SHA256

                              8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                              SHA512

                              43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\d4b4d1a9-8a33-4f28-8df5-3a3d02de9d49.tmp

                              Filesize

                              4KB

                              MD5

                              35471fdd9514cc13a36ad89a1b598fcf

                              SHA1

                              8c385a3a939af057a0c447e5af820522759c6be7

                              SHA256

                              ba18226741b5219e1637d1efada5c1cbd7f94960e0087bf5505c63d77c4266ef

                              SHA512

                              cba0c3529a92ab2ac9d24dfab6dc218332009e08cd135afb6d389dc238c4d748a739ba1cd5af1b9cb99396079e8bc6e293430d357732f5e4877ea201e48e6573

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

                              Filesize

                              274KB

                              MD5

                              5ac9e3ceb41360118c3cd455335c622b

                              SHA1

                              a542d9a75fa480a008f86b80ca9e91c46c1ec5b0

                              SHA256

                              186b322e971a042ba2a285e75397fba62ee8229bb82e8008b49253ac902e8651

                              SHA512

                              ad5b3ecb93a0328345b60dc4aa97262d59a31376cee1d83030f93bd0ea8d2314522ec3bcf292bbeada0fa31d7363ddc8bd041834e892b4fe56d7f7db9df8c682

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

                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58