Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 18:19

General

  • Target

    703d51b3aeb16c0149b1798e1f6701ec.exe

  • Size

    3.6MB

  • MD5

    703d51b3aeb16c0149b1798e1f6701ec

  • SHA1

    c9dba44c975e5adc6c692d6a0e8f2be9775c51e4

  • SHA256

    87d6224decdba5622eadd30ceca31465fffbb003f2c9331f6d918405e8cf866d

  • SHA512

    629ba5743213c5d224bea53e41f1b38c3ca5a32c7a066ad6109acc715067bab588bcc177001914484163c46bdf1e22c60528549348c1b2337b37a366e931aab8

  • SSDEEP

    98304:7f2OcniLbQMqHRyHQw3GT3q7Lm3yZ4vFADmXSZfWE5RyryfsFB:z2OcvpHRE7Lmq4tADmXfiQr

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\703d51b3aeb16c0149b1798e1f6701ec.exe
    "C:\Users\Admin\AppData\Local\Temp\703d51b3aeb16c0149b1798e1f6701ec.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Local\Temp\is-GHJF4.tmp\703d51b3aeb16c0149b1798e1f6701ec.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GHJF4.tmp\703d51b3aeb16c0149b1798e1f6701ec.tmp" /SL5="$10020E,3561498,79360,C:\Users\Admin\AppData\Local\Temp\703d51b3aeb16c0149b1798e1f6701ec.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Users\Admin\AppData\Local\Temp\Xinfeng_Jxc10.exe
        "C:\Users\Admin\AppData\Local\Temp\Xinfeng_Jxc10.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4744
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://down.63733.com/Xinfeng_Rundll.zip
          4⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:3716
          • 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,0x100,0x104,0xd8,0x108,0x7ff8d1fc46f8,0x7ff8d1fc4708,0x7ff8d1fc4718
            5⤵
              PID:1780
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2236 /prefetch:2
              5⤵
                PID:4936
              • 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=2220,912944641060652948,8079312863941523658,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3512
              • 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=2220,912944641060652948,8079312863941523658,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
                5⤵
                  PID:2668
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=3360 /prefetch:1
                  5⤵
                    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=2220,912944641060652948,8079312863941523658,131072 --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=3400 /prefetch:1
                    5⤵
                      PID:4952
                    • 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=2220,912944641060652948,8079312863941523658,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4088 /prefetch:8
                      5⤵
                        PID:4396
                      • 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=2220,912944641060652948,8079312863941523658,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4088 /prefetch:8
                        5⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1508
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=5492 /prefetch:1
                        5⤵
                          PID:2616
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5408 /prefetch:1
                          5⤵
                            PID:4568
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=5372 /prefetch:1
                            5⤵
                              PID:4340
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=5444 /prefetch:1
                              5⤵
                                PID:1840
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5336 /prefetch:1
                                5⤵
                                  PID:224
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=3904 /prefetch:1
                                  5⤵
                                    PID:4384
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,912944641060652948,8079312863941523658,131072 --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=4532 /prefetch:1
                                    5⤵
                                      PID:4588
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4716
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3132

                                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

                                        efc9c7501d0a6db520763baad1e05ce8

                                        SHA1

                                        60b5e190124b54ff7234bb2e36071d9c8db8545f

                                        SHA256

                                        7af7b56e2f0a84ae008785726f3404eb9001baa4b5531d0d618c6bdcb05a3a7a

                                        SHA512

                                        bda611ddba56513a30295ea5ca8bc59e552154f860d13fed97201cdb81814dd6d1bca7deca6f8f58c9ae585d91e450f4383a365f80560f4b8e59a4c8b53c327d

                                      • 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

                                        3ac81d1737b915f141671e68aa0f1371

                                        SHA1

                                        53c9a45eb7c5c99dda75352ac989ee036ec51ab2

                                        SHA256

                                        d122a3307d5bb7dc6b745461cb10cf1cb8665485d2d31b0662f90292037214c1

                                        SHA512

                                        f0b27a4d3cfbc03f13a9bd8a6d2f70383178a9f1fcd291fa82142e9439538adc0b21e63ff291362ec1b4872ae8495e595181077c930b486dd360bce859d0dd9f

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

                                        Filesize

                                        5KB

                                        MD5

                                        85df56018d100118d7f7c486ffdf92c2

                                        SHA1

                                        96966702382abcd5b85c12416a39c7a68b337408

                                        SHA256

                                        2ebc572badd275000d1ba6320c26f299347af28d562ac36fd4750dec0419a64f

                                        SHA512

                                        54be2d82b4eb7c77a9ca4b3b4b8ff9ac869484d847480ad9f42723c3e68a139d4b0f5515b3519a52fde47316d2e218316898e38e5e4212b5580c78fff6287d6b

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

                                        Filesize

                                        24KB

                                        MD5

                                        121510c1483c9de9fdb590c20526ec0a

                                        SHA1

                                        96443a812fe4d3c522cfdbc9c95155e11939f4e2

                                        SHA256

                                        cf5d26bc399d0200a32080741e12f77d784a3117e6d58e07106e913f257aa46c

                                        SHA512

                                        b367741da9ab4e9a621ad663762bd9c459676e0fb1412e60f7068834cbd5c83b050608e33d5320e1b191be1d809fef48831e0f42b3ecabd38b24ec222576fa81

                                      • 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

                                        88edca67aa5c62a3abd12c949483f70b

                                        SHA1

                                        29784fcbebcb12900147207d05ec5628a11bc5ea

                                        SHA256

                                        fc9f84d790264a2ac32b84852acd319686fec7a0b44a5178814e74416f55cec4

                                        SHA512

                                        63c614ea029ae5d2bce554ce3f06ebca8edb1d74aa9e3fc8f0aba9806a2e0977b77238d3de41e7856bcf0349287722517453b3654f156003af773058f346e869

                                      • C:\Users\Admin\AppData\Local\Temp\Xinfeng_Jxc10.exe

                                        Filesize

                                        11.6MB

                                        MD5

                                        ed333b1c6c45420c0861ea6a017453c7

                                        SHA1

                                        2c7ba41d85d2e67ddfe6f7634a3dfe38590286f5

                                        SHA256

                                        13d24576b154598a6f2755c6ae1fd9c88211e5fbfb93f9755b8a61b7e53323c0

                                        SHA512

                                        30596f209c88946161f8157bb9790cc16c1a301fbefe1e4047f39874a0eff1f987c5babbd759543c795d3e42c715722ff4163728f1cfe34edbb4672242b5b173

                                      • C:\Users\Admin\AppData\Local\Temp\is-GHJF4.tmp\703d51b3aeb16c0149b1798e1f6701ec.tmp

                                        Filesize

                                        726KB

                                        MD5

                                        802d4cf2ece96437fded0e138bafa605

                                        SHA1

                                        fc132e4884690782cf2c53929b684895fb0b825b

                                        SHA256

                                        2a195b66a7e13aa47daf6d621dde5610d6765007cb5adcfc35b4037e0ea010a0

                                        SHA512

                                        c2778cae893c9dadae8d19c2229558b2f56fd57816a8fd92e780ed2e67fc0ae700a65680aee16c7c52906a2d7dd11a9af402a819492602cf2d11f697a0ea90b0

                                      • memory/1716-7-0x0000000002350000-0x0000000002351000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1716-23-0x0000000000400000-0x00000000004C7000-memory.dmp

                                        Filesize

                                        796KB

                                      • memory/3360-24-0x0000000000400000-0x000000000041A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/3360-0-0x0000000000400000-0x000000000041A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/3360-2-0x0000000000400000-0x000000000041A000-memory.dmp

                                        Filesize

                                        104KB