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Resubmissions

10/06/2024, 13:26

240610-qpxbcsxbra 8

10/06/2024, 13:22

240610-qmq2kaxfll 8

10/06/2024, 13:16

240610-qh9m4swhle 8

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 13:22

General

  • Target

    PySilon-malware-main/resources/libopus-0.x64.dll

  • Size

    431KB

  • MD5

    0e078e75ab375a38f99245b3fefa384a

  • SHA1

    b4c2fda3d4d72c3e3294beb8aa164887637ca22a

  • SHA256

    c84da836e8d92421ac305842cfe5a724898ed09d340d46b129e210bdc9448131

  • SHA512

    fa838dab0a8a07ee7c370dd617073a5f795838c3518a6f79ee17d5ebc48b78cebd680e9c8cbe54f912ceb0ae6112147fb40182bcfdcc194b73aa6bab21427bfd

  • SSDEEP

    6144:QzvQP4JEH+xiPuym+Sl1AhOtw6qIUZtvJd3dbK2lbO2miHWQAD03N3hg9/To88jC:Q6Ho+8p0IU3BW2s2miwmOLozjJ

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\libopus-0.x64.dll,#1
    1⤵
      PID:4476
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4864
      • 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=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffac19cab58,0x7ffac19cab68,0x7ffac19cab78
        2⤵
          PID:4324
        • 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=1712 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:2
          2⤵
            PID:2668
          • 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=2092 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:8
            2⤵
              PID:3760
            • 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=service --mojo-platform-channel-handle=2292 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:8
              2⤵
                PID:2328
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3036 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:1
                2⤵
                  PID:4100
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3044 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:1
                  2⤵
                    PID:4568
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3920 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:1
                    2⤵
                      PID:2024
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4620 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:8
                      2⤵
                        PID:3596
                      • 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=4784 --field-trial-handle=1908,i,8681501004339188019,5038759993003033986,131072 /prefetch:8
                        2⤵
                          PID:2484
                      • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                        1⤵
                          PID:5116

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                          Filesize

                          7KB

                          MD5

                          195c8568424b0d9c2e6fc04860e77dc9

                          SHA1

                          cab6b9eb7bf79b83e5784a5bb2787f95deb55716

                          SHA256

                          cf301f963d0bd27751e2b790b69827ef7b491d01e0173cc973898990717297b4

                          SHA512

                          a849210608f6ca8382fae542deaae5c6cbe019fcc596191bdf20ea09a418c8f6a73586b5c72956fd8212c350772f24bec479fee329178cecaee6588d4c500660

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

                          Filesize

                          255KB

                          MD5

                          9a51dcaf9cea882531dda64548a6ffa9

                          SHA1

                          f3da7fc20a0828031f4df8eb337f50e90ca93cad

                          SHA256

                          79e97ef2762fa2f3d7999955b3dee39b00bf79a10a862f914c9748f43b827b38

                          SHA512

                          66fdde33928e1cb26f1532e6fb1e5269d616d75614fe8b2e6c330bc5f4c42996541a254792c6814c5596db66603fdcb0747932d19393c23f23d3bf55269bfe37