Analysis

  • max time kernel
    52s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 07:14

General

  • Target

    vblob.rar

  • Size

    472KB

  • MD5

    3f6d2008648730e00b03c35f8dc7c219

  • SHA1

    33edc8277c52cd2b1c9e0cab846c9f63e5bc5a9c

  • SHA256

    0afe4ad2eb7df24e1880f2b6c1c9f965a1d4e1d1b70a276487c1705ebd20cffd

  • SHA512

    45a1b18e32c094c0818ff8a9ea10a28b29b723129a3753950170288dca7e6c0f4483063659cc6404a7ef0a1a9acfa45eac7a8105912547cde556841456d6e7b1

  • SSDEEP

    12288:NP3aC4AtoXOgZzSRV844+qLSZZfJimiqXCWL9w:p0Og0lnUSZjFXlw

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\vblob.rar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\vblob.rar"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Users\Admin\AppData\Local\Temp\7zO08AE8066\Vblob external.exe
        "C:\Users\Admin\AppData\Local\Temp\7zO08AE8066\Vblob external.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1888 -s 80
          4⤵
          • Loads dropped DLL
          PID:2448
  • 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:2456
    • 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,0x7fef7c19758,0x7fef7c19768,0x7fef7c19778
      2⤵
        PID:2744
      • 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=1200 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:2
        2⤵
          PID:2084
        • 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=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:8
          2⤵
            PID:1860
          • 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=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:8
            2⤵
              PID:2108
            • 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=2292 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:1
              2⤵
                PID:1920
              • 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=2304 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:1
                2⤵
                  PID:1564
                • 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=1424 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:2
                  2⤵
                    PID:2512
                  • 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=2828 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:1
                    2⤵
                      PID:2848
                    • 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=3360 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:8
                      2⤵
                        PID:960
                      • 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=3488 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:8
                        2⤵
                          PID:1456
                        • 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=3684 --field-trial-handle=1400,i,2916227319748577997,2117650643063823990,131072 /prefetch:8
                          2⤵
                            PID:1152
                        • 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:1684

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

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

                            e8a7ccfe1f410c18204d172a1e7c23b3

                            SHA1

                            75e4a29283eb27fb7316db9f94a38dc517bb0ce6

                            SHA256

                            ae4b8d25ff98dfde447a55bf9e72a0673cca4ae3741c60feb8abb5a72b1c265a

                            SHA512

                            3d584eec4c4d6f51ec7104c3be557e8c276dd351c29553b91d50bfb9ed22dd1d75456dddb19982c47a7d0991f5d4408648175befa88090bdb6ccbb18667ebf29

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

                            Filesize

                            5KB

                            MD5

                            004e3707ea1f7d83b51ba855b93942a1

                            SHA1

                            e286b349338bc8de2ea5cd0d0fe9a81dfc79da62

                            SHA256

                            a611ea8226ba2b5023f7198062b3ac457b413c0c1158050454428dc874af122b

                            SHA512

                            c5c07e6e6bcb69af325cd691e70f7c70a5f3be181853141d003170ad5b88e31f15ecb99c723f0bd40a43ee08a184f285e92dcad84e06445de40c598d5209edf6

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

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • \Users\Admin\AppData\Local\Temp\7zO08AE8066\Vblob external.exe

                            Filesize

                            1004KB

                            MD5

                            f325bca9e8b0f6b0ca69341376117e43

                            SHA1

                            523e681598aab11464c3b7b6b321c0c000c56e86

                            SHA256

                            d75551b96e7c9112aa131f85a6a55f3340d4db1599ed867d262bde0fcca6865c

                            SHA512

                            a6daf6d75cb107b281b04dd510e7c91fde96e9609e23897956a3286d624e2f41ba576c96e8c3c499967814502f8d93691310a7864a944d06037e7c6f7d71fc3d