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Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2024, 00:53

General

  • Target

    3f7b4c01239047c92683eeb9ebcdec7c.exe

  • Size

    12KB

  • MD5

    3f7b4c01239047c92683eeb9ebcdec7c

  • SHA1

    6bd9c986a84a19c41d2803eb4a7f00c2cf3aa5af

  • SHA256

    86cc2e04de9e817ba03bc2355240b6893720903725ce10bd4b863b71d774cace

  • SHA512

    6378b7fc2d8237265a8da3392092f8283f0fe97abe07f76d826cb84ef288c20d9f93edd5a021ff9fa2c72e7dca156a522e08f86c3f4b606e574186e323f81a4b

  • SSDEEP

    96:nPtOteWbaZWpWud9SKM4+xbOdNW5UANp/tYgZEFhKH3ppde2:n8IWbSb/xxbO7qEqpde

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f7b4c01239047c92683eeb9ebcdec7c.exe
    "C:\Users\Admin\AppData\Local\Temp\3f7b4c01239047c92683eeb9ebcdec7c.exe"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe http://www.searchmeup.net
      2⤵
        PID:4532
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.searchmeup.net/
        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:4044
        • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffad8d246f8,0x7ffad8d24708,0x7ffad8d24718
          3⤵
            PID:1576
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2216 /prefetch:2
            3⤵
              PID:3552
            • 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=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4308
            • 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=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2940 /prefetch:8
              3⤵
                PID:4452
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --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=3300 /prefetch:1
                3⤵
                  PID:1792
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --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=3308 /prefetch:1
                  3⤵
                    PID:1996
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --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=4080 /prefetch:1
                    3⤵
                      PID:4052
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4412 /prefetch:1
                      3⤵
                        PID:1468
                      • 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=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5096 /prefetch:8
                        3⤵
                          PID:2264
                        • 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=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5096 /prefetch:8
                          3⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1176
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1
                          3⤵
                            PID:4032
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4212 /prefetch:1
                            3⤵
                              PID:4564
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --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=4940 /prefetch:1
                              3⤵
                                PID:468
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5804 /prefetch:1
                                3⤵
                                  PID:4372
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1792 /prefetch:1
                                  3⤵
                                    PID:3236
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5908 /prefetch:1
                                    3⤵
                                      PID:6072
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2204,552875259486462209,9259603240264686674,131072 --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=5744 /prefetch:2
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4896
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3816
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:4904

                                    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

                                      011193d03a2492ca44f9a78bdfb8caa5

                                      SHA1

                                      71c9ead344657b55b635898851385b5de45c7604

                                      SHA256

                                      d21f642fdbc0f194081ffdd6a3d51b2781daef229ae6ba54c336156825b247a0

                                      SHA512

                                      239c7d603721c694b7902996ba576c9d56acddca4e2e7bbe500039d26d0c6edafbbdc2d9f326f01d71e162872d6ff3247366481828e0659703507878ed3dd210

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

                                      Filesize

                                      111B

                                      MD5

                                      285252a2f6327d41eab203dc2f402c67

                                      SHA1

                                      acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                      SHA256

                                      5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                      SHA512

                                      11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                      Filesize

                                      5KB

                                      MD5

                                      ce95f5cfd1d986905ecefae1f988821f

                                      SHA1

                                      8744e56c89877aea2482117f34cc4452442b9daf

                                      SHA256

                                      df94c343cebaae52608b7a5248f39771c1fd273191f36ee386abad122e0d4596

                                      SHA512

                                      c23a5cef85584f7f4426ea5d58d7efa6fea6c0a8bfef099426003e44fae51aa69f0988e48e3e1b303878f1e6b116e89ef82764ef07df511b6caaa353cdc65d04

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

                                      Filesize

                                      5KB

                                      MD5

                                      9109240ba7401c2b067fe071570a3c98

                                      SHA1

                                      26a84719460c8fb789da93ce1df4d956e39037a1

                                      SHA256

                                      ba63b0219cde4e606f5cc5576af06dbcef24acc5371b7a63929795773e850d66

                                      SHA512

                                      e61e70d26ea527359ed3eaea8713baf0551ff1d28c6dba2c89786ff99d37ba950f3f6f9b358c37be5ae7fd2190ac2b96faf96f478fa033999d57a3c2797c0208

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

                                      Filesize

                                      24KB

                                      MD5

                                      f5b764fa779a5880b1fbe26496fe2448

                                      SHA1

                                      aa46339e9208e7218fb66b15e62324eb1c0722e8

                                      SHA256

                                      97de05bd79a3fd624c0d06f4cb63c244b20a035308ab249a5ef3e503a9338f3d

                                      SHA512

                                      5bfc27e6164bcd0e42cd9aec04ba6bf3a82113ba4ad85aa5d34a550266e20ea6a6e55550ae669af4c2091319e505e1309d27b7c50269c157da0f004d246fe745

                                    • 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

                                      2e83b16b26845f3d6bb85b32234bc116

                                      SHA1

                                      7f968b94292b8316871e79d50a79eb9df81bc736

                                      SHA256

                                      e6a7cc8c56a4bae3cc6b91fb032e4edd8493f46f8c7a105aac31f869217df623

                                      SHA512

                                      e1b04869f242143eaaec46400e86d31b84db81c6e1ddb147aee25de334eac5b73aad478a4e271ed16ea83270d3823a770008e49a1719de51e63eb77539b5397c

                                    • memory/3708-58-0x0000000000400000-0x0000000000406000-memory.dmp

                                      Filesize

                                      24KB