Analysis

  • max time kernel
    59s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2023 13:51

General

  • Target

    msvcp120.dll

  • Size

    444KB

  • MD5

    fd5cabbe52272bd76007b68186ebaf00

  • SHA1

    efd1e306c1092c17f6944cc6bf9a1bfad4d14613

  • SHA256

    87c42ca155473e4e71857d03497c8cbc28fa8ff7f2c8d72e8a1f39b71078f608

  • SHA512

    1563c8257d85274267089cd4aeac0884a2a300ff17f84bdb64d567300543aa9cd57101d8408d0077b01a600ddf2e804f7890902c2590af103d2c53ff03d9e4a5

  • SSDEEP

    12288:uZ/8wcqw2oe+Z3VrfwfNOOoWhUgiW6QR7t5ss3Ooc8DHkC2e77/:W/8wVwHZFTwFOOos3Ooc8DHkC2e77/

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 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\msvcp120.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp120.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 224
        3⤵
        • Program crash
        PID:3036
  • 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:1940
    • 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,0x7fef66e9758,0x7fef66e9768,0x7fef66e9778
      2⤵
        PID:2628
      • 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=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:2
        2⤵
          PID:2612
        • 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=1536 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:8
          2⤵
            PID:2528
          • 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=1496 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:8
            2⤵
              PID:2500
            • 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=2364 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:1
              2⤵
                PID:2956
              • 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=2348 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:1
                2⤵
                  PID:2940
                • 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=1460 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:2
                  2⤵
                    PID:1584
                  • 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=2256 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:1
                    2⤵
                      PID:1172
                    • 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=1388 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:8
                      2⤵
                        PID:2896
                      • 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=3548 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:8
                        2⤵
                          PID:2040
                        • 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=1388 --field-trial-handle=1360,i,14567584531007231260,9944131796954784582,131072 /prefetch:8
                          2⤵
                            PID:1680
                        • 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:2240

                          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\Preferences

                            Filesize

                            4KB

                            MD5

                            725829dffc71ffb1ef94ec925c24ce5f

                            SHA1

                            49ebf1624d1bb01134a0919edc1da3176cb917f9

                            SHA256

                            9cbebfe6a793e88c3cf7b3a801b76548bbbb76620e7ae66f5a9fc494ada8c423

                            SHA512

                            4ff1a42474c1e57ee00899a021dbb2a99e0c864b1dbe430302b84a7f76385f48498d16f89a3ddf09b6399c0ca7623ceb7e44075e6335f4d99b34f112b1a55478

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

                            Filesize

                            4KB

                            MD5

                            e5e6b298ac32df4f8204d3b5de86cebb

                            SHA1

                            5122931fb5f608df2461dee94262240f69bef584

                            SHA256

                            6d284a0cd743f92bacff4b5ea286633036943209c9b2fef75bd98cbbaba96b30

                            SHA512

                            84ab8d6104f04fafd382fab4b961c0fcf3aff691090172cc17db9ab8814fbbf696f7d73f711926e569ab6eebecc957fe5d02a6458b0f66dae663352d87eb7043

                          • 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