Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/04/2023, 10:41

General

  • Target

    https://www.dropbox.com/l/scl/AACwpAM7y-oynaGVe-0KKZCB8HvK5DEUZdA

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://www.dropbox.com/l/scl/AACwpAM7y-oynaGVe-0KKZCB8HvK5DEUZdA
    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:3384
    • 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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd340c9758,0x7ffd340c9768,0x7ffd340c9778
      2⤵
        PID:1440
      • 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=1812 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:2
        2⤵
          PID:1852
        • 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=2168 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
          2⤵
            PID:1608
          • 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=utility --mojo-platform-channel-handle=1308 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
            2⤵
              PID:4132
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3140 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:1
              2⤵
                PID:224
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3248 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:1
                2⤵
                  PID:2252
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4696 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
                  2⤵
                    PID:4100
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4804 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
                    2⤵
                    • Modifies registry class
                    PID:4152
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4984 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:1
                    2⤵
                      PID:4296
                    • 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 --mojo-platform-channel-handle=5840 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
                      2⤵
                        PID:2132
                      • 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=6004 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
                        2⤵
                          PID:4836
                        • 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=5960 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:8
                          2⤵
                            PID:4480
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2884 --field-trial-handle=1832,i,18329004199367387785,5069263397340468876,131072 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3420
                        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                          1⤵
                            PID:2304

                          Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                  Filesize

                                  1KB

                                  MD5

                                  892aac206987d5e32ff0b0cf1c2a129d

                                  SHA1

                                  426720621f2895dd527dcc0e2364eb9507ccd341

                                  SHA256

                                  3c1e23bd74d6960c0569cc63ed31776ca2917e975de0937c25a9ac58bbb21e99

                                  SHA512

                                  3e484b893ad14d05373693e2a692b3e099b8a5039e4689625fa4b7f3f3e9452f975aa31148ab333a0483f114920c696c580062e0aadfb7733e36bf5b1a9fd34d

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

                                  Filesize

                                  1KB

                                  MD5

                                  2c9c66785af205e00a25142cf22e39a7

                                  SHA1

                                  e9e1f06b34d2648147a6ad398b0221bbdb038221

                                  SHA256

                                  f58ad4a695239df24ed616209f12495de8d8f36abbf9d68203e949ff574c8fd8

                                  SHA512

                                  49164a1765634b992f37afe08097fcdecf15489e1658dc818307b423720441e1a7d5c4af0ee2813a019134be3c24c8bf12933ae991c83a8b4f37542a522f504b

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

                                  Filesize

                                  868B

                                  MD5

                                  ac1771c974ebb25b4d9692fe6cd6bcab

                                  SHA1

                                  4766db88b75140a459a0d0bb2c78576594f2953e

                                  SHA256

                                  1606871a7eabe0191d3d83efbed1e814c9c5e8d783741e04a6de69ca29212a58

                                  SHA512

                                  11d8a14464a707bdd5d42e5db23329818fa75ac4d3e35843182debabe063201040a6849de113c8607c686e0fc5db6d328a1077aa6451d308da84c9a706dc55f0

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

                                  Filesize

                                  866B

                                  MD5

                                  ad813dda304d52eeedf83cea9a24a9a1

                                  SHA1

                                  5695128c7efa806d89b1f88660830429b5366fd9

                                  SHA256

                                  2c6a8d964b27e1a47c70b862ba390e7f0e3d9a5a63975b4affb3cc7174fd6be6

                                  SHA512

                                  ddf2dc68e39499533f32f56e912651f513cba89806e5fff363c5f1fff3dff0a7b8ef1c102573b5b2a4589e19cd5bbbc024571d38b87bee28ba3af0ee69552986

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

                                  Filesize

                                  868B

                                  MD5

                                  9c9cdf8e762340d9387d245a01d88eef

                                  SHA1

                                  64cabc4a77779b855376dffeee2ac29f6ecf6551

                                  SHA256

                                  b1c5baf419941b1a25638c26927aced7519d7936a07ac912e830d397b1290c71

                                  SHA512

                                  b35a64b3284c2b99085af610c8c093a2aa166b3abb235aef52b6e073147dfab6ceebb057429e0bff3c918ad9004450809627ee24a20e74e115350b314b377bee

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

                                  Filesize

                                  866B

                                  MD5

                                  2d980c40ab6423ad50ab00304a4e17a8

                                  SHA1

                                  7fbf95aa4b1844359385041e233767eeeb94ffa2

                                  SHA256

                                  7dc5e7180eb8d9a9098244b1ea46fdedf452dd3920349acc16fec1d224f41d02

                                  SHA512

                                  da6735b0a02ff64059851525a45eefed0e906894df24504ae21f6ec3c5b62f7735c19e8e6213606a9a5b980f752d4a20b2e45d2fe0ae761648bcabae49f26d78

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

                                  Filesize

                                  866B

                                  MD5

                                  0cfdeab4583e31db206d8326946b5349

                                  SHA1

                                  d8fc88f962e02dca6d5dce744d5b05284427b1e2

                                  SHA256

                                  845e56054a52972db259a2ba01a70032cb063ed3bf5f3e02fb8cc2cd523979b5

                                  SHA512

                                  414db54505b3578d54d1c6bdeb8cb6510f194397bd9eadf18a0dbda56cf7df623b694e48a06635c5245ff63aa87aaaa854370e36d08227b53e2153c2cbf6e9b0

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

                                  Filesize

                                  6KB

                                  MD5

                                  2ec1e4ad3a7d682c98818ef2b5be96bf

                                  SHA1

                                  848eedc842dd8bd3a7ad54ca9dc4a1e2a9ff4245

                                  SHA256

                                  b6c4683b666bee84337aba75abfd14617a27b8159fb67a07a904e3f73b93ad10

                                  SHA512

                                  a24004d65632dfe155206746a65278c5919595ea980355b4716b7b8641ec48a7da38aad2a0e3aae6982c6a4bf97631499c7e2f2cd1ce96f030e8f544458ab43c

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

                                  Filesize

                                  6KB

                                  MD5

                                  402ebf745d4e5b540dfdbe68af93c664

                                  SHA1

                                  b61b9b106856fda485fe52ea76610eb5725c9d49

                                  SHA256

                                  0844591cfe4d2b05830eac306acd08c582180dcf6356685e6c40c0992753c10a

                                  SHA512

                                  8610dcd415923d4e6c29eb09ca2e7663270fa034468a3fa4e36c786ce3d5bd5520b789186a8cddf6d2f3e6f1b2cb49340425609a7d71826db0fe876dc83e3fe3

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

                                  Filesize

                                  15KB

                                  MD5

                                  51e64a4886a2ba377f2b08b50cffd98c

                                  SHA1

                                  0d8c75f209a29d9f44e5a1cc53501271c2b54dfa

                                  SHA256

                                  9cef86fe08a6782f720ff4a03bdc774a14b8a857194ca8d83a08972d2fe7a0a0

                                  SHA512

                                  332067c1156ad7b6d486ed6e13a05746c4ed9ea871da6427262c6a18f88df62ae946923978a4ae438ac1799dd79fff115d53c55a27d5e19436b22ab5feb35cb1

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

                                  Filesize

                                  200KB

                                  MD5

                                  42dd4d37fe123b5a0ddd2478593c789e

                                  SHA1

                                  a59c63f0892e0124729a6a31a0adaa653861db2b

                                  SHA256

                                  226aeb607e0411f37f8570a4f7dac4a070aa6b8c6e0de8ec546259374a1f4a56

                                  SHA512

                                  e4c941f76baacf911f27f06687d37fa7bdbb7ccaa13197314a914ac4ea34557accfa7609943a8a7238207e05ba127159d3d7220e19bccb668b9ba9cbf5af3fa9

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd