Analysis

  • max time kernel
    55s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 22:38

General

  • Target

    entropy/entropy.dll

  • Size

    177KB

  • MD5

    d3375b53754f3c8deaaf436737e25007

  • SHA1

    2cf3278e9179effc39826141fd5add61fd4e93d9

  • SHA256

    f4865f3256200d374367ef844a1f10d83748d2be2f0fbc50052020960977fd2d

  • SHA512

    3a25e45613d710de33a8d80a8b04e6a8c35b3ba6e26ac8c6b0f5a48cde025b51e71269d7e2a2cf1b9d8adeecf1b500e51e7f0877ad8a6cbf66f54db36aa5c7cb

  • SSDEEP

    3072:B8X8PLYlycIHp6pgoUUctnRKNJsPLPRdVb3pr9o/oIGQHMdVA0Ya:B+8ztupyU6PBbNC/zGQHMdGa

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\entropy\entropy.dll,#1
    1⤵
      PID:2532
    • 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:2736
      • 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,0x7fef5a29758,0x7fef5a29768,0x7fef5a29778
        2⤵
          PID:2864
        • 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=1184 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:2
          2⤵
            PID:2600
          • 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=1560 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:8
            2⤵
              PID:2776
            • 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=1600 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:8
              2⤵
                PID:3068
              • 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=2284 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:1
                2⤵
                  PID:2136
                • 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=2296 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:1
                  2⤵
                    PID:2504
                  • 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=1532 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:2
                    2⤵
                      PID:1692
                    • 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=3224 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:1
                      2⤵
                        PID:1372
                      • 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=3492 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:1
                        2⤵
                          PID:896
                        • 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=3852 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:8
                          2⤵
                            PID:2380
                          • 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=2396 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:8
                            2⤵
                              PID:1152
                            • 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=2464 --field-trial-handle=1304,i,10436766608771150168,2347016486228544688,131072 /prefetch:8
                              2⤵
                                PID:1712
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe"
                              1⤵
                                PID:2436
                                • 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,0x7fef5a29758,0x7fef5a29768,0x7fef5a29778
                                  2⤵
                                    PID:2672
                                • 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:536

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat

                                    Filesize

                                    40B

                                    MD5

                                    ba9989410d716a22402772f7579c497b

                                    SHA1

                                    e382fd8a875080e0bc8d207a7714f1bb80e49166

                                    SHA256

                                    44b5004d498de3043d1f4775bdbeecf54135c83125021a3e68fcded07299936b

                                    SHA512

                                    bc9b14c99089e450cae307b7439b4624265925eeee20a89bf6dc13a9e6f4a54ab242d095d0549cbffa3cd88ea622eb1ea9d6ad9154a3b75a09448aabae4c1c5b

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                                    Filesize

                                    215KB

                                    MD5

                                    d79b35ccf8e6af6714eb612714349097

                                    SHA1

                                    eb3ccc9ed29830df42f3fd129951cb8b791aaf98

                                    SHA256

                                    c8459799169b81fdab64d028a9ebb058ea2d0ad5feb33a11f6a45a54a5ccc365

                                    SHA512

                                    f4be1c1e192a700139d7cff5059af81c0234ed5f032796036a1a4879b032ce4eedd16a121bbf776f17bc84a0012846f467ad48b46db4008841c25b779c7d8f5a

                                  • 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

                                    5KB

                                    MD5

                                    04bb60b0e22f45bb66951a40eb3ab874

                                    SHA1

                                    7751b939c4627b2a31d2ac0e645c8986247e8584

                                    SHA256

                                    342dc16741c76246c501608a722327909c5b2684b24bf313fe9fbdf4daf7e049

                                    SHA512

                                    46bb0b2bd2565d5258eca510a423b11981761b36bed81766f353fa7818e199685911cbd7c5b07215d582767876e7dc3fde6359836c8a4af38799c9d713a0aeb4

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

                                    Filesize

                                    6KB

                                    MD5

                                    5c2711b808b49cea0e5bb5a25777ca09

                                    SHA1

                                    e23e09331780b19c3331a88e4ac31c7ce1e8305f

                                    SHA256

                                    ef2f17d452c97f400bdd7d476005bed05c084f6fd1aea5cf2a03015f1660bee5

                                    SHA512

                                    5550656ff8fa555d92369f63a7b8a568666c9c64cbc906ca2bc360b7dfc6ede97fb912018127bd23911b82a0c229cd92820bb5c852139826a687b12da7e68b64

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

                                    Filesize

                                    5KB

                                    MD5

                                    2971d567986c3ff921130a03efd055d8

                                    SHA1

                                    6b2338428b802bfd9b801b96ddffcac4fd9e0518

                                    SHA256

                                    c603e0973a6f77afd389937eb69d7991c3415ec0bb25882a307b965438ab0790

                                    SHA512

                                    491161b9831f4cd3e8c29ee455d4ce99f44d1cd90008ffe1a7adb6a750ff986065daba67e6bdafeb76b3d096a5e3e5d8ed7e873b2d1a93599c4b03c71d10af61

                                  • 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

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

                                    Filesize

                                    346KB

                                    MD5

                                    c376b89a51e7463deda280f50c970758

                                    SHA1

                                    bf7da3e8ae8231466487a7f150cf7f16e40e75b9

                                    SHA256

                                    2df4c966e90a30c1fd7ee8c3beb817d911f1b4d28ab1ca705342bf5c3025fd39

                                    SHA512

                                    5938647213b921c6aee6162adb4c1169e44caa9428deeab3c050a371ac04bcc10e276a19df12a0e7db7614cd69c878173bff7a02f93ae02abdca7336117a88dd

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

                                    Filesize

                                    335KB

                                    MD5

                                    c022c53334430c7dccc7a1ea8a9bf25a

                                    SHA1

                                    4a31184bcbbd7fc324dc2875796cae3e98c17727

                                    SHA256

                                    476577bfb8d475edef5f02e1fc071c83ceced07dd712141cbf8df695d51034f4

                                    SHA512

                                    05d73c787115a2a7c3ec0ee0924608700e5fd4a0395fa0edd334cffaff2b4937bf489e0b3af6a2c1f068c0afbb227499c1403a4436c49c09d9177fbf2f435eb1

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

                                    Filesize

                                    364KB

                                    MD5

                                    4c8ae8ff5adbef337386732d55bd2ac9

                                    SHA1

                                    096c3fa6f3ef8c55337bf4d070299140a3cb66d1

                                    SHA256

                                    01cafdda6e93d05028fabdaff5277b6069350caeaa2f70f457fba14436f93c75

                                    SHA512

                                    647e90429e44b9f24dec705a64eabac606f8574ba04b626a7946bd17213ea3adbf8c9596973d4a9a05529f34031c9f9ce56a92a4eeff0070882747f346854ac1

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\cebcd897-f6e2-40d3-a8cf-db7a09c9be3d.tmp

                                    Filesize

                                    347KB

                                    MD5

                                    c2456d4c376fa960fab795d887c2460d

                                    SHA1

                                    ee4550e9d4cb621eb59589396460634f87b4bf41

                                    SHA256

                                    dba26da73af58ba99ab43a00334e4984c6c74891b3fade93b231fd7d39e81df6

                                    SHA512

                                    ee7ba0c8541897b7fa124d66482961a2673e903d322fffba61ba9db669a472a6d83dc278e15472a1dcb11f43d6acb46e4bc2393ba2e100eb537de54a13373b7f