Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 07:04

General

  • Target
    tbk.exe
  • Size 7.4MB
  • Sample240606-hwe2naba61
  • SHA256 721a4b64330caaa0a64de7a355c76add6f50a90ce6039fbb17a8db6ddfd8debc
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 19 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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:\Users\Admin\AppData\Local\Temp\tbk.exe
    "C:\Users\Admin\AppData\Local\Temp\tbk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\Temp\tbk.exe
      "C:\Users\Admin\AppData\Local\Temp\tbk.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c mode con cols=77 lines=27
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1792
        • C:\Windows\system32\mode.com
          mode con cols=77 lines=27
          4⤵
            PID:5016
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c
          3⤵
            PID:3380
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3236,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
        1⤵
          PID:2728
        • 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:3380
          • 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,0x120,0x124,0xf8,0x128,0x7ffc8298ab58,0x7ffc8298ab68,0x7ffc8298ab78
            2⤵
              PID:1524
            • 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=1744 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:2
              2⤵
                PID:4572
              • 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=2056 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                2⤵
                  PID:1316
                • 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=2108 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                  2⤵
                    PID:2976
                  • 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=3100 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:1
                    2⤵
                      PID:3280
                    • 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=3120 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:1
                      2⤵
                        PID:3328
                      • 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=4360 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:1
                        2⤵
                          PID:5336
                        • 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=4500 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                          2⤵
                            PID:5364
                          • 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=4608 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                            2⤵
                              PID:5388
                            • 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=4772 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                              2⤵
                                PID:5460
                              • 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=4908 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                                2⤵
                                  PID:5468
                                • 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=5016 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                                  2⤵
                                    PID:5744
                                  • 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=4676 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                                    2⤵
                                      PID:5764
                                    • 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=4584 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:8
                                      2⤵
                                        PID:5856
                                      • 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=4318 --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=2724 --field-trial-handle=1952,i,16612892237125781727,4848852886706155336,131072 /prefetch:2
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:5844
                                    • 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:5260

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            Network Persistent State

                                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                            • Size 1KB
                                            • SHA256 629706df802ae44cf64f87244846652e26e2fec32760b976033be94f6cd7fb84
                                            • MD5 SHA1 SHA512

                                            SCT Auditing Pending Reports

                                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                            • Size 2B
                                            • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                            • MD5 SHA1 SHA512

                                            TransportSecurity

                                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                            • Size 356B
                                            • SHA256 0e694129a87f2bf4c9fc07acc150f7b25dfeead9daed710127afbf4aa994ddc3
                                            • MD5 SHA1 SHA512

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                            • Size 7KB
                                            • SHA256 a99bdc214b88d90553859950c44b6f626ed205abee663366728f8f4015efb6ce
                                            • MD5 SHA1 SHA512 SSDEEP

                                            Secure Preferences

                                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                            • Size 16KB
                                            • SHA256 83cb7dda067aa50d01407cb6e30ddd30220915d3523ef9449cfc638e61ad31ca
                                            • MD5 SHA1 SHA512 SSDEEP

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                            • Size 262KB
                                            • SHA256 b9f977f4dc1df406a626e226c0b1636a00781183bc0e8a84a56fe93c6176d531
                                            • MD5 SHA1 SHA512 SSDEEP

                                            VCRUNTIME140.dll

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\VCRUNTIME140.dll
                                            • Size 87KB
                                            • SHA256 bf5ff4603557c9959acec995653d052d9054ad4826df967974efd2f377c723d1
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _asyncio.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_asyncio.pyd
                                            • Size 62KB
                                            • SHA256 46967e4ef54e222dcda43b64032a3f22ed9fce4cebbe0e64288ed80f86a500eb
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _bz2.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_bz2.pyd
                                            • Size 82KB
                                            • SHA256 c55821f5fdb0064c796b2c0b03b51971f073140bc210cbe6ed90387db2bed929
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _ctypes.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_ctypes.pyd
                                            • Size 120KB
                                            • SHA256 9459d246df7a3c638776305cf3683946ba8db26a7de90df8b60e1be0b27e53c4
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _hashlib.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_hashlib.pyd
                                            • Size 44KB
                                            • SHA256 3692fc8e70e6e29910032240080fc8109248ce9a996f0a70d69acf1542fca69a
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _lzma.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_lzma.pyd
                                            • Size 246KB
                                            • SHA256 9442dc46829485670a6ac0c02ef83c54b401f1570d1d5d1d85c19c1587487764
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _overlapped.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_overlapped.pyd
                                            • Size 44KB
                                            • SHA256 44f9ed9d97881b29ecc79a2b3077760a4f9f7b5ba386751c0f3b98f1bfb0d8c4
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _queue.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_queue.pyd
                                            • Size 27KB
                                            • SHA256 4aa1bbde1621c49edab4376cf9a13c1aa00a9b0a9905d9640a2694ef92f77d5e
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _socket.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_socket.pyd
                                            • Size 77KB
                                            • SHA256 587c4f3092b5f3e34f6b1e927ecc7127b3fe2f7fa84e8a3d0c41828583bd5cef
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _ssl.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\_ssl.pyd
                                            • Size 115KB
                                            • SHA256 eaeefa6722c45e486f48a67ba18b4abb3ff0c29e5b30c23445c29a4d0b1cd3e4
                                            • MD5 SHA1 SHA512 SSDEEP

                                            base_library.zip

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\base_library.zip
                                            • Size 758KB
                                            • SHA256 2f276b628f11077b78a78dd82df94eab300e68e562d3daa9a743458db0b3d047
                                            • MD5 SHA1 SHA512 SSDEEP

                                            cacert.pem

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\certifi\cacert.pem
                                            • Size 253KB
                                            • SHA256 de2fa17c4d8ae68dc204a1b6b58b7a7a12569367cfeb8a3a4e1f377c73e83e9e
                                            • MD5 SHA1 SHA512 SSDEEP

                                            libcrypto-1_1.dll

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\libcrypto-1_1.dll
                                            • Size 3.2MB
                                            • SHA256 012866b68f458ec204b9bce067af8f4a488860774e7e17973c49e583b52b828d
                                            • MD5 SHA1 SHA512 SSDEEP

                                            libffi-7.dll

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\libffi-7.dll
                                            • Size 32KB
                                            • SHA256 8c1f7f64579d01fedfde07e0906b1f8e607c34d5e6424c87abe431a2322eba79
                                            • MD5 SHA1 SHA512 SSDEEP

                                            libssl-1_1.dll

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\libssl-1_1.dll
                                            • Size 670KB
                                            • SHA256 1ce7ba99e817c1c2d71bc88a1bdd6fcad82aa5c3e519b91ebd56c96f22e3543b
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _multidict.cp38-win_amd64.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\multidict\_multidict.cp38-win_amd64.pyd
                                            • Size 43KB
                                            • SHA256 6ccb02ca328a9df23d5f5c7ce58fbf7b9f84474c801230c6c42eab171ed83744
                                            • MD5 SHA1 SHA512 SSDEEP

                                            python38.dll

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\python38.dll
                                            • Size 4.0MB
                                            • SHA256 59ab345c565304f638effa7c0236f26041fd06e35041a75988e13995cd28ace9
                                            • MD5 SHA1 SHA512 SSDEEP

                                            select.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\select.pyd
                                            • Size 26KB
                                            • SHA256 63b81af5d3576473c17ac929bea0add5bf8d7ea95c946caf66cbb9ad3f233a88
                                            • MD5 SHA1 SHA512 SSDEEP

                                            unicodedata.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\unicodedata.pyd
                                            • Size 1.0MB
                                            • SHA256 0f84e9f0d0bf44d10527a9816fcab495e3d797b09e7bbd1e6bd666ceb4b6c1a8
                                            • MD5 SHA1 SHA512 SSDEEP

                                            _quoting_c.cp38-win_amd64.pyd

                                            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30602\yarl\_quoting_c.cp38-win_amd64.pyd
                                            • Size 78KB
                                            • SHA256 3730432069213e61d347d65be318c32a81dfebc56397de6a900c0b71f2aea303
                                            • MD5 SHA1 SHA512 SSDEEP