Analysis

  • max time kernel
    89s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    01/08/2023, 05:14

General

  • Target

    ICSharpCode.SharpZipLib.dll

  • Size

    188KB

  • MD5

    0b3b4e8d1de31f844e466d61cf7937b5

  • SHA1

    d699e5b46a14ea4d7c052e4193f85f0a4f2b29eb

  • SHA256

    cfc2a838569a48d16a15269bb701de87b81b3d2bc303bb7c4c3724cc3bba0c50

  • SHA512

    a5e7d1f8b7d9242f213046cfe19b0e01d41fcb285072bd079a054293b6778ca78a76b3b2ec4aba8af396a7fc46d6eeb62c2df652187b77ef7f7900c130d26e12

  • SSDEEP

    3072:7+UpysqWNqkXWZfUKlnF3JLL1cRzm3W6FpSarDwVqS8vINqARK:RysVufBn597NX

Score
1/10

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 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\ICSharpCode.SharpZipLib.dll,#1
    1⤵
      PID:2660
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2548
      • 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,0x7fef5d69758,0x7fef5d69768,0x7fef5d69778
        2⤵
          PID:2780
        • 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=1164 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:2
          2⤵
            PID:2908
          • 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=1584 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:8
            2⤵
              PID:2056
            • 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=1512 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:8
              2⤵
                PID:2824
              • 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=2324 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:1
                2⤵
                  PID:2744
                • 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=2328 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:1
                  2⤵
                    PID:2536
                  • 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=1412 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:2
                    2⤵
                      PID:2004
                    • 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=8 --mojo-platform-channel-handle=3260 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:1
                      2⤵
                        PID:1920
                      • 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=3484 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:8
                        2⤵
                          PID:2604
                        • 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=3600 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:8
                          2⤵
                            PID:1080
                          • 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=3720 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /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=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3844 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:8
                              2⤵
                                PID:2364
                              • 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=2792 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:8
                                2⤵
                                  PID:2376
                                • 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=14 --mojo-platform-channel-handle=3504 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:1
                                  2⤵
                                    PID:2876
                                  • 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=15 --mojo-platform-channel-handle=3468 --field-trial-handle=1360,i,4239435245277925886,7574831277377596597,131072 /prefetch:1
                                    2⤵
                                      PID:1472
                                  • 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:2016

                                    Network

                                          MITRE ATT&CK Matrix

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000013

                                            Filesize

                                            71KB

                                            MD5

                                            ef5fda86a03c7d33d09c549fac55703b

                                            SHA1

                                            c978d8f28eae32a05fb117e29bd1f114add03ef8

                                            SHA256

                                            a907db059a3beb604c46bbaaffd9b1c763db1e1eccef2626355ebe9ced9d2ceb

                                            SHA512

                                            00d1e333af813291ceb436f76cb6bd75877c73a8deb71366272e0c5c94b59a25f697cc6c88f9f47815db7c617aae4a1ae09999ff463cf3f30450d685c5bc20b2

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000015

                                            Filesize

                                            39KB

                                            MD5

                                            500ecdda9ad3e919a1f41c1588266a1b

                                            SHA1

                                            d5ddf92dc08284a48701a4d3555590bda05f77e0

                                            SHA256

                                            caad3feace9086d27e006d538d2daf4dd50e2b33307232a7db6d5f8c48f73b37

                                            SHA512

                                            5e47a0d0721ec0f9adb5a439ffc98c1b4da780e74270332313f8350f228bdb919d32c4812c6ede84ebae3ead1342c2eaf4c73f4dfca5a87e8887e1b5913c0d9f

                                          • 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\Network\TransportSecurity

                                            Filesize

                                            527B

                                            MD5

                                            349885fa2eb081a5e16147c97f5ae0ce

                                            SHA1

                                            3d257b19a4ae910ded20c1575a497d2d9024c7dd

                                            SHA256

                                            d6f28550099a3c0e3efb6f479ddf89a02fd802f249aaf18d6f0093a636bfde2b

                                            SHA512

                                            d97324f02fb16868fec9af9f90999c0bc6d538a92ae910e171d70137cf34f0c5c82c73451030103c71af98829c4c6638b33039923fdeffd69d318b9f09ff810e

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

                                            Filesize

                                            5KB

                                            MD5

                                            dc6f08257402b375ca8e91edee1ab476

                                            SHA1

                                            e85704e87e4eb66a547262bd084d4c1d71c24739

                                            SHA256

                                            ca13582e0c87c31a838286e2eb9db988e6722fdfc4537ffef650ccce2ceaabfe

                                            SHA512

                                            a8e5dfb6e95c20f1e3224337b76f21335358ff85669f1076aa6eb10b2042958eb7110d21671d4f2277685abf212b10e3271e5e1ba100cd0f6cc9e36070fce7c2

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

                                            Filesize

                                            5KB

                                            MD5

                                            1d8511e4547ac8081be21221e58b27bc

                                            SHA1

                                            cc19824c443db5431592578c048dff9e59154bac

                                            SHA256

                                            f27285f5e5abf986bf7915e84bf5e8af5687b545ba78f62d99e9c5837f0d0827

                                            SHA512

                                            0aed64db85f84570e77f8ceb9dc8661d1b7f83e6167034e739df32d6257a892b6fcd5768a507cea956a0b88f9383d2f1d8f338c6a285edfa435a3176bd9aac64

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

                                            Filesize

                                            4KB

                                            MD5

                                            9640e4d10993fac68d553acffc0c827e

                                            SHA1

                                            fbfce47aacaf5bd1c0026ccdc3cb3722856a0b82

                                            SHA256

                                            4fd4aac945408fb2cb4749bcb3b3a6f0ab07c3ffd93c0c0ee9136132ea9a3d1d

                                            SHA512

                                            791e2ec850ff1b472b6d5144cf45b088320f68b65c204f8642cf415f02524401fdd0ebe32ee0708ae4ab72e1f968adf32cd66abd6dd2c723e855dfcc36ecca3b

                                          • 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