Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 13:14

General

  • Target

    Loader.exe

  • Size

    48KB

  • MD5

    3668e97d95b35672e4a8eb7cb1da1cf5

  • SHA1

    2dc3e500ac21d9c07af38e5f70f83ec7bc30bace

  • SHA256

    dc06db1dc05fad16aa820074f03db3cf2cea5f5b9e5ff9136f5cad896ccf0ab8

  • SHA512

    61952fedcec08d8d940899381bef50a0e82cb86f226a4d207eccaa0958da6f71f517fb5ba2e704dfce320812bf1ba7e03fa934fb860cd57d69f43cc625195507

  • SSDEEP

    768:zt5DuFP8FFIHGD+pqSh151a0SszvW4loC8DcztQcCZzt236dCuOMc:7DSPja+gS91aMzdxztQlZztPdCuRc

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 2 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
  • Modifies registry class 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:2520
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:2672
      • C:\Windows\system32\verclsid.exe
        "C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
        1⤵
          PID:2468
        • C:\Users\Admin\AppData\Local\Temp\Loader.exe
          "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:2432
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe"
            2⤵
            • 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:2136
            • 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,0x7fef49d9758,0x7fef49d9768,0x7fef49d9778
              3⤵
                PID:2004
              • 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=1148 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:2
                3⤵
                  PID:2176
                • 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=1520 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:8
                  3⤵
                    PID:1392
                  • 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=1588 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:8
                    3⤵
                      PID:2896
                    • 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=2076 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:1
                      3⤵
                        PID:2560
                      • 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=2084 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:1
                        3⤵
                          PID:2508
                        • 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=1148 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:2
                          3⤵
                            PID:2248
                          • 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=1336 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:1
                            3⤵
                              PID:1940
                            • 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=3304 --field-trial-handle=1268,i,4823557878638618701,1295390876172387684,131072 /prefetch:8
                              3⤵
                                PID:1228
                          • 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:2824

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\2514c128-efa3-4347-84a5-7d1854e85999.tmp

                              Filesize

                              140KB

                              MD5

                              6e22acc1222b23db81bb459718d93f53

                              SHA1

                              02d2eb0ccc8dc5c72463a6e8b7fed69da4563754

                              SHA256

                              775f9a456344cc18e079096e19a4f3e9dbdeb9415a6d516a34934859d9853bb4

                              SHA512

                              0ba6640714ba6703b0125dce47ef0b1c98bbd608a6fc547d8424a69bafeca8f307944fd98dfdd6c13996e826f5cf06c132fe99e1af642151c1279aebb4962b7f

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

                              Filesize

                              16B

                              MD5

                              18e723571b00fb1694a3bad6c78e4054

                              SHA1

                              afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                              SHA256

                              8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                              SHA512

                              43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                            • C:\hellokittyfan48\gamepath.txt

                              Filesize

                              53B

                              MD5

                              43d5d300d710001cc331581c761169fb

                              SHA1

                              3e4d1a088c1f6d498c84f3c86de73ce49f82a104

                              SHA256

                              b98a42e7e75a66429bf21f48d54033a6083eaf101bd296b5fe5a63134c2b6565

                              SHA512

                              e1d6d85a8b63c1fba8d2a74e7dd3b80f0f9eeafa9862a27d24e4e475b2d9d68baab0b8ad03978230197287b04ac51a5a28b43ef73a3278ee899ceed12108ecb3

                            • memory/1944-0-0x0000000003C30000-0x0000000003C40000-memory.dmp

                              Filesize

                              64KB