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Analysis

  • max time kernel
    215s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2023, 01:51

General

  • Target

    227e7f3e154885b39c181699d2d3aa15d367b034ed1d7e313f990a5e6ea8dd62.dll

  • Size

    15.1MB

  • MD5

    9b5b856cdcf194c490671a75f495f922

  • SHA1

    d2df494c768ba8d1b4453a162ff01b386e157b18

  • SHA256

    227e7f3e154885b39c181699d2d3aa15d367b034ed1d7e313f990a5e6ea8dd62

  • SHA512

    03e5b2ed0c8155bab76549452a9b7aec33ac885dc88bbba0f03421aa6834c43b74324ca358a3de3474d2ff5ab5e9d9daa635ebd03fa6d1fd861f2b277356abd3

  • SSDEEP

    393216:PSkkYTAgAtFuyh8vTS6ppcyUyKP3QNOcCShPX2B0t0DCtey:c0CFufDpHtS3MOchq0t0DFy

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\227e7f3e154885b39c181699d2d3aa15d367b034ed1d7e313f990a5e6ea8dd62.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\227e7f3e154885b39c181699d2d3aa15d367b034ed1d7e313f990a5e6ea8dd62.dll,#1
      2⤵
      • Drops file in System32 directory
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.huorong.cn/
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:500
        • 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,0x100,0x104,0xd8,0x108,0x7fffc14446f8,0x7fffc1444708,0x7fffc1444718
          4⤵
            PID:4904
          • 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=2164,12221139648977969185,4119683732056216462,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2216 /prefetch:3
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:5084
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2164,12221139648977969185,4119683732056216462,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
            4⤵
              PID:2608
            • 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=2164,12221139648977969185,4119683732056216462,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2676 /prefetch:8
              4⤵
                PID:4972
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,12221139648977969185,4119683732056216462,131072 --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=3516 /prefetch:1
                4⤵
                  PID:1052
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,12221139648977969185,4119683732056216462,131072 --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=3388 /prefetch:1
                  4⤵
                    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=2164,12221139648977969185,4119683732056216462,131072 --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=5188 /prefetch:1
                    4⤵
                      PID:5020
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,12221139648977969185,4119683732056216462,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5228 /prefetch:1
                      4⤵
                        PID:3660
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,12221139648977969185,4119683732056216462,131072 --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=3424 /prefetch:1
                        4⤵
                          PID:3488
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,12221139648977969185,4119683732056216462,131072 --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=3456 /prefetch:1
                          4⤵
                            PID:3796
                          • 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=2164,12221139648977969185,4119683732056216462,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3096 /prefetch:8
                            4⤵
                              PID:2144
                            • 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=2164,12221139648977969185,4119683732056216462,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3096 /prefetch:8
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4844
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4376
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4940

                          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

                            db9dbef3f8b1f616429f605c1ebca2f0

                            SHA1

                            ffba76f0836c024828d4ff1982cc4240c41a8f16

                            SHA256

                            3e0297327872058355ac041a5e0fc83ed017faee0f6c0105b44bb3e5399a93a1

                            SHA512

                            4eedc387fe304f27f9d52ff5d71461c7f22147f7a8c18b8e7982acb76515528a36486a567451daafe093f9563b133c6799f2ad046e04256ccb46c83eb99e86c5

                          • 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

                            ae48e7108e074d6e1b78821913f4222e

                            SHA1

                            553d579bafef163ed903ef81472875a07fb15090

                            SHA256

                            6979a6c3e4b993fc03e2d704f476529bd3c792dc7028b5b848bd29c7efe23aab

                            SHA512

                            98c976d4fb0ae04158e7aaf8baaaf369bb27592b2c006a3c79909cd4131cd4d0b5ba52b0e8dd8a30eabd9f0b5832e1ede7791cd91319f55620b7ac1e548e2779

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

                            Filesize

                            5KB

                            MD5

                            e8c32676e43ac2a8dcfd9fe4e2382433

                            SHA1

                            0e3224cf776aaed299caef1e20f1a84221550927

                            SHA256

                            d15342655fcaa9617e92d680627aab92bb669b7fa94753ab24a1b76c83d88577

                            SHA512

                            d33c25df5fa73f616ecf9d9d23fd23b7ed18b18eca6f2041de0474e5e7f67a91c188aff011c56825d4645d5d43c1a16cbf9e8be93f344f233b8f26f1e0cbbbf8

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

                            Filesize

                            24KB

                            MD5

                            6dcb90ba1ba8e06c1d4f27ec78f6911a

                            SHA1

                            71e7834c7952aeb9f1aa6eb88e1959a1ae4985d9

                            SHA256

                            30d89e5026668c5a58bef231930a8bfb27ca099b24399a2615b210210d418416

                            SHA512

                            dc31807eaeb5221ac60d598035ca3ccab1dbeecc95caaff5e1f5a2a89ba1c83ef0a708ee0b8ed05b588ea5d50e360032a534356f84c89d3791df91d419daeff9

                          • 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

                            3KB

                            MD5

                            52e7f2f687837f0ef1aa0b0417b9a7b9

                            SHA1

                            583abf2c8d71cd255a6af5b2e2a65b3758edf4f6

                            SHA256

                            675a29f2c14e431d497d63e680765429db24067c9c71cb3dc608ec7e78820cf0

                            SHA512

                            2bfb3a76b14c813ea482b431be54af66c5e89a28797ab9f5718f4651055b8718a358ca70e711868f4cd9b962c28df53174eb6d64253f29541dead1216570c185

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

                            Filesize

                            10KB

                            MD5

                            aafb66ae47206ad4ab87cedfeb22c4cf

                            SHA1

                            07c3aed5249df7cd52e3a4b316e55fcd1e1f8d6b

                            SHA256

                            587d74bb2965ce20ea44d838db614089e3134403272b440187e12c5175621cf1

                            SHA512

                            c5da3bf186455e2720a8c55cf76bd1d02a3a5a42c14712b941a66714f60d14e52f43663368dd354929956df039a6bc64b7934d6ec3c521d9722fb98ea5e0f310

                          • C:\Windows\SysWOW64\δÑëÅäÖÃ.ini

                            Filesize

                            1KB

                            MD5

                            07b0c8ffdb5bdc094aa92c2a61d1542d

                            SHA1

                            3fec287e4b171e86dd6cab6e3ac2b8073316bcd6

                            SHA256

                            a2c3de2ad9ae54c4cb604d7f8fd9b7f3842c11b302030cf6440bdd88be5f5668

                            SHA512

                            7b60db0645b697a3dfa570172a9e9ac1e98ead327da30454f8d919ce0e744509fbc31f33ecf84a97041a021c861dc7c3fa653c59ccd9415869fc836588046073

                          • memory/3424-26-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/3424-5-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/3424-3-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/3424-0-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/3424-4-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/3424-2-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/3424-1-0x0000000002DB0000-0x0000000003352000-memory.dmp

                            Filesize

                            5.6MB