Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    16-11-2024 18:25

General

  • Target

    PoorChecker 2.7V/Database/ffmpeg.dll

  • Size

    2.7MB

  • MD5

    d5e1f1e9d0ccfe7f21b5c3750b202b4d

  • SHA1

    74144ac93c0c58a9b9288bce5d06814c9a1b1dc2

  • SHA256

    e1ab367644f72ebcdc8eb3fcfe829ff51719559ac2a43a1600e712b16871ad65

  • SHA512

    dcf70d43f1a83c424be99c38e33e520c72115c3d30945980e5e394d460462251bde309e543213b2b08dcbe9769d11d46792e1cc99aa42777fcc34d6f3361a3d2

  • SSDEEP

    49152:EZ2KxYmwFfgQQs0ShPrF0/zO6R0gRhPj3hTUctrRhuwSnKxqgI5IN8N3lzl3hqzb:Aofp1Pyi54wnKxqg4INhhd

Score
4/10

Malware Config

Signatures

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

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 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\PoorChecker 2.7V\Database\ffmpeg.dll",#1
    1⤵
      PID:4564
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Drops file in Windows directory
      • 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:1808
      • 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:4 --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=123.0.6312.123 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ffe1949cc40,0x7ffe1949cc4c,0x7ffe1949cc58
        2⤵
          PID:4648
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1972,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1964 /prefetch:2
          2⤵
            PID:1284
          • 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 --no-appcompat-clear --field-trial-handle=1928,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2124 /prefetch:3
            2⤵
              PID:2004
            • 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 --no-appcompat-clear --field-trial-handle=2060,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2268 /prefetch:8
              2⤵
                PID:2456
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3148,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3156 /prefetch:1
                2⤵
                  PID:3064
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3176,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3196 /prefetch:1
                  2⤵
                    PID:1500
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4548,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4572 /prefetch:1
                    2⤵
                      PID:1744
                    • 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 --no-appcompat-clear --field-trial-handle=4848,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4868 /prefetch:8
                      2⤵
                        PID:1300
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4936,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4952 /prefetch:8
                        2⤵
                          PID:4708
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --field-trial-handle=5088,i,3396274062187295921,3994199933340236334,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5192 /prefetch:1
                          2⤵
                            PID:4360
                        • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                          1⤵
                            PID:4004
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:1444

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              649B

                              MD5

                              8eea10ed38ab84b5e6033ee6848ec312

                              SHA1

                              b174b6092341078e4bc8a52c572526f38b066fe2

                              SHA256

                              5b533931d6d13ca08c58decfc36a30c862c68e56c43ee9a7a788da466ecc1c69

                              SHA512

                              504890f444d86729b1279e604640e6d1a157922c1e1c1738cc50966bb787b878ab4cc3fd7f03dd9802cd174206bbaa2abbeab4dc4a3e2a044269c1ef25cc79e2

                            • 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\Network\TransportSecurity

                              Filesize

                              356B

                              MD5

                              7c31467a638cceacac1d35b687deacb5

                              SHA1

                              4505b9cdeb3fd7f185f260795580b59f4b9b55b5

                              SHA256

                              91bddf0fb3dcf95790b60d1b43218643910f31d45de3fdbf14b11328782118c3

                              SHA512

                              f493f95d86290fcf9524204d84478693213708b8c9e92b8e5065230cc4b8d07ac5c28c50963451a60dbaad18d9c6e5f2556dd511090625e531ad1237f4cd0d89

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

                              Filesize

                              1KB

                              MD5

                              d610e997847d340a5ed48aed51595276

                              SHA1

                              6807de7ad9a3c208374a5e2ed421028df3b2bb55

                              SHA256

                              f794ea1fc6d782d4522f72372079de4268870908171582a1da0281b36ef21b6e

                              SHA512

                              9c49a5bff31176b0c3375ba9c492edb244cfc1679dab9e6edc79a47ca81257761de4e1e60d18b31cc2555640bad08494d4c4e9b032deacc2763f4a22e65f51be

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

                              Filesize

                              9KB

                              MD5

                              8238a7765421279508db138e1006087f

                              SHA1

                              934a9a346cdfef0fb549a47fb1fd62a5f48fd613

                              SHA256

                              7997122fd1232692d415c458ce52c6e8dcbeea076e18febcac6e8194022fc454

                              SHA512

                              ddc7dd25faefc1c461802838387647f027b096ac64908400c22c35099632b82bf656b2b1f05574472edea15fba054c88ffc4f71664bda0bc6739b6bf8336d8d7

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

                              Filesize

                              8KB

                              MD5

                              46209e06757788b59b753938777c1a51

                              SHA1

                              194756d6c5c6196db2d43b88672f22bff8d460fe

                              SHA256

                              126bad17de0e3675c89b37c373a40eae6ed11e8fff19764d5e3758a83d3697e7

                              SHA512

                              f651871b2e5f812be48a258c4fa04b3b3c8cd35b9f5075ba3ef3bab52c6b22a882959dd8beb051857a99d322913c3c42599b2e437ff726b3eeb62c01d55d0eaf

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

                              Filesize

                              9KB

                              MD5

                              8df22c64f86f9633f53f8ebb68bc2155

                              SHA1

                              f8ae326b834a9acaf0b5dea91051f00102ca3aa7

                              SHA256

                              c6863bd90cfea2e7a8e3c7640b0e6659b7b7c08ca5c98e59ef0adc26eb09e6fe

                              SHA512

                              d62dd1e38dced480020f1267a20ebcb596d5ac2ca79a66d0b5af2973a32c246cacdf270fdb13e96114e45038a1c1b4c0457643c624895efab8ec49d345164925

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

                              Filesize

                              9KB

                              MD5

                              fe87f95070dd7b52aea1e3e401ef1ae6

                              SHA1

                              2df67eb2a9884a465d2b677561c82cf4eefdff4c

                              SHA256

                              5487600cb6dafc4716a7054e737402b2b96711595e77202e3df7a7912d2d8786

                              SHA512

                              6f7800d4831e3daa66d246149dec1d8f8480cb93d6a1c8eb9b6e2e3799d40b5ca3bb5ecaa450295f86478c5fb71faaf0501b83b3ea14dbefb952445211ba0040

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

                              Filesize

                              15KB

                              MD5

                              5b0eef260c56a9ef785cabf1ef20bc5f

                              SHA1

                              916cd499466ba4213d3f064bc88f8a6f0bbce86b

                              SHA256

                              8646ea840821c2e4b31b7d203d1e91d3af40851833eefd2954b8dafd8e1a0020

                              SHA512

                              090c3810e9cf5cc4cfefbecac87e6bc17993da0d49aadca2e210e19d1407d44e05924c5938d7730955c36d821b985bbcf36dfe662d6f72536c180e423e049a84

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

                              Filesize

                              235KB

                              MD5

                              0572bad51c0116a31cbefff2848e6e00

                              SHA1

                              3a8a19a5d047abe1aa8faf1fb2dd42c91f9cbc17

                              SHA256

                              9b1a9fbbdf22fbb5850c2eea9a59f22295c655007121defd6e16fb72809a859a

                              SHA512

                              4cf6b101f53669b8e80658751bc5158adbc53889f92808d4e7ab6d3d559e7ecee3279572f5c2f481ca2fe2f6250ae08941f3a66e834a53a8adedd8fc483b1189

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

                              Filesize

                              235KB

                              MD5

                              4f3d130a8b61713c9980b6cc5089e31d

                              SHA1

                              edee74226beebf730d301e67f4078a9c6d1c39f0

                              SHA256

                              fcc44cdfa1e9d921be9cc5b3efac463e81ac8f3a89ce94939eb55efd02173be8

                              SHA512

                              342f6df9b63c089e298bb3760b8719bf27e169f2e2aff6123c5657cba6cd526a7de8ff14821ff8b4c6e3f1337a02adc6d7c5786e3bda3f7636270103c9f5f3dd