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Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 01:44

General

  • Target

    2024-09-04_9c2ea1daf35022f28c5e15419acc2c4f_poet-rat_ryuk.exe

  • Size

    16.2MB

  • MD5

    9c2ea1daf35022f28c5e15419acc2c4f

  • SHA1

    55a795e709e4c11019e7c175c4c699c98bce60dd

  • SHA256

    9bdef866d31871bc5806c3317771620dceaf4f698358120edb7defce731faa80

  • SHA512

    1f71114181b5d71c8db6eba96c49a7ae743692887efabc80e144a47d17b1d062555e07710bad929340055d7febce7af90d47c0cbe5d86efe81a60afd8501b7e4

  • SSDEEP

    393216:kMhF6kmfSLwAVaUnQXZ8aA1dJPAhYOcY9Kwp:kMHFnQiLJUt7

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-04_9c2ea1daf35022f28c5e15419acc2c4f_poet-rat_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-04_9c2ea1daf35022f28c5e15419acc2c4f_poet-rat_ryuk.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.hamrick.com/vuescan/supported-scanners.html
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffdeb4e46f8,0x7ffdeb4e4708,0x7ffdeb4e4718
        3⤵
          PID:1712
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
          3⤵
            PID:2080
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3252
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2824 /prefetch:8
            3⤵
              PID:376
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
              3⤵
                PID:2956
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3356 /prefetch:1
                3⤵
                  PID:2704
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5036 /prefetch:1
                  3⤵
                    PID:4084
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4188 /prefetch:8
                    3⤵
                      PID:3300
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4188 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3312
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5420 /prefetch:1
                      3⤵
                        PID:1968
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5580 /prefetch:1
                        3⤵
                          PID:4252
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5168 /prefetch:1
                          3⤵
                            PID:4180
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5608 /prefetch:1
                            3⤵
                              PID:3300
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,6815461532287661499,16237179237201345048,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1804 /prefetch:2
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4008
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
                          1⤵
                            PID:1244
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2492
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1900

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                Filesize

                                152B

                                MD5

                                e765f3d75e6b0e4a7119c8b14d47d8da

                                SHA1

                                cc9f7c7826c2e1a129e7d98884926076c3714fc0

                                SHA256

                                986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

                                SHA512

                                a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                Filesize

                                152B

                                MD5

                                53bc70ecb115bdbabe67620c416fe9b3

                                SHA1

                                af66ec51a13a59639eaf54d62ff3b4f092bb2fc1

                                SHA256

                                b36cad5c1f7bc7d07c7eaa2f3cad2959ddb5447d4d3adcb46eb6a99808e22771

                                SHA512

                                cad44933b94e17908c0eb8ac5feeb53d03a7720d97e7ccc8724a1ed3021a5bece09e1f9f3cec56ce0739176ebbbeb20729e650f8bca04e5060c986b75d8e4921

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                Filesize

                                120B

                                MD5

                                4e764e03c1c9dc869c64752133d3833a

                                SHA1

                                c048d65937b11204bfbd306df0f7291cad4f8a13

                                SHA256

                                a1f41574fb78f911b71db00979c9f24979af63d566a5818c7e8195e4f2c62e53

                                SHA512

                                4697efe99a6782afc7bfd6e331b278b08e4424ae45a2025bf463b74b21feb63f9104e89b043251e3130f328072c0262edd3934812b62758ecd82b5534b9b8328

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                                Filesize

                                601B

                                MD5

                                2758be9c1204133e9a812a7348e68b23

                                SHA1

                                759ab988be35e6bab69612121095bea00bac788c

                                SHA256

                                2b750c314456b7929687fcb136cf8eed41440c33a3cf70584c803a42a43d7229

                                SHA512

                                7929211a1c45aec9caa3faae99607d8f19f7ff9816b3b0f7b1494a35c77ade371646189074d9dce8a33e520ae808d3e73f62d815c3fc779efe56c8df38ac10e7

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                Filesize

                                5KB

                                MD5

                                844b301c009d0d627584dca3c9a5729d

                                SHA1

                                f302a7c68da24bd009d73e1fb18e9bd447ffd7d4

                                SHA256

                                86080c5a52e0e4644d988214ff84ff0d43d0f793c6dd0a2657d3729967d07b70

                                SHA512

                                bc4bdff74ea33ca5942739c429ddff7056b4086dcd22a6d576208b071c1d3bcc985f2621f2763258d7673dd4a679e5c845a89a6f15e42b2a1c1cec4a1523f4f4

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                Filesize

                                6KB

                                MD5

                                37ce8db5eeaa33d89b6cca0e6df5b7d9

                                SHA1

                                13e994a0b0ffd6fd6ee2334752dc24adc1f10411

                                SHA256

                                773fd3aed3a5901524c2702e819143141c0083bb3e9114e5fff8462eab8ac8ae

                                SHA512

                                3a31786fb78f2d56a978752efe706b24fbdc77adf00fefd7d5433f3b415dd44f6b540e941f15f0bc7676f920b95bffec97648c4f496ec7f11384f8d324e1173c

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                Filesize

                                16B

                                MD5

                                6752a1d65b201c13b62ea44016eb221f

                                SHA1

                                58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                SHA256

                                0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                SHA512

                                9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                Filesize

                                10KB

                                MD5

                                2831d4f15265ea5a8b510278111a6563

                                SHA1

                                3ba9d6d3006c33e9434be17a94540cdbdf135662

                                SHA256

                                bf5cdcb1d36927a5166ffc6b09f7fbf1cbee52505a0cacaa5958069a2051a5e4

                                SHA512

                                ef4acc77c13608f8da085941ed26d42eb2dc90770682a26581c73257eb58a24ee2680956b9d9cb8cda06a547d1e3e544f7e36015340607a818d460b149475e08