Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 02:25

General

  • Target

    b5b256bfc52004916f9cc8706b41de76a3a4ddebd5957b6088c5f69a77017a79.exe

  • Size

    225KB

  • MD5

    20f2ca8b394c759018cdb7639c17a5e9

  • SHA1

    25498dea4b25b2f1f116b9c30077e2d7e772a49a

  • SHA256

    b5b256bfc52004916f9cc8706b41de76a3a4ddebd5957b6088c5f69a77017a79

  • SHA512

    cf862f798b5712ccab3ab7c070dc59dac0847a85a0e4529fbe508c7e2ce1131a21bc70e6e5825fb9a83223a0d06393a84da8336f348b15680c10375664fd50df

  • SSDEEP

    6144:gA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:gATuTAnKGwUAW3ycQqgf

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2460
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2508
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2632
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:3364
            • C:\Users\Admin\AppData\Local\Temp\b5b256bfc52004916f9cc8706b41de76a3a4ddebd5957b6088c5f69a77017a79.exe
              "C:\Users\Admin\AppData\Local\Temp\b5b256bfc52004916f9cc8706b41de76a3a4ddebd5957b6088c5f69a77017a79.exe"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2104
              • C:\Windows\SysWOW64\winver.exe
                winver
                3⤵
                • Adds Run key to start application
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:5076
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3544
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3716
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3816
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3920
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:4008
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4360
                        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                          1⤵
                            PID:3124
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                            1⤵
                              PID:320
                              • 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x2b0,0x7ffe57e72e98,0x7ffe57e72ea4,0x7ffe57e72eb0
                                2⤵
                                  PID:2944
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2280 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:2
                                  2⤵
                                    PID:2560
                                  • 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 --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=2328 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:3
                                    2⤵
                                      PID:4604
                                    • 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 --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=2472 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
                                      2⤵
                                        PID:3864
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5232 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:1
                                        2⤵
                                          PID:768
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5540 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:1
                                          2⤵
                                            PID:3172
                                          • 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 --mojo-platform-channel-handle=1312 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
                                            2⤵
                                              PID:2112
                                          • C:\Windows\System32\svchost.exe
                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
                                            1⤵
                                            • Modifies data under HKEY_USERS
                                            PID:1684

                                          Network

                                          MITRE ATT&CK Matrix ATT&CK v13

                                          Persistence

                                          Boot or Logon Autostart Execution

                                          1
                                          T1547

                                          Registry Run Keys / Startup Folder

                                          1
                                          T1547.001

                                          Privilege Escalation

                                          Boot or Logon Autostart Execution

                                          1
                                          T1547

                                          Registry Run Keys / Startup Folder

                                          1
                                          T1547.001

                                          Defense Evasion

                                          Modify Registry

                                          1
                                          T1112

                                          Discovery

                                          System Information Discovery

                                          1
                                          T1082

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

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

                                            9KB

                                            MD5

                                            cfd47abde5f4a8bc6f16d356759a0e69

                                            SHA1

                                            0e417d7feb14287c26958287f5d3009b27213583

                                            SHA256

                                            826f76218e16210229aa08fe707e91acacede8beaf91a43264be27bf72f9606b

                                            SHA512

                                            051121d4a290cad0f2e32edf9c19514727a8103e71b818c600f5e67fc2c6b1ed449c52f5597de65c614eae4a3c06508e695548ca33cf1a3424c715c8443a18b8

                                          • memory/2104-2-0x00000000044F0000-0x00000000044F1000-memory.dmp
                                            Filesize

                                            4KB

                                          • memory/2104-1-0x0000000004630000-0x0000000004C88000-memory.dmp
                                            Filesize

                                            6.3MB

                                          • memory/2104-9-0x0000000000400000-0x000000000043C000-memory.dmp
                                            Filesize

                                            240KB

                                          • memory/2104-23-0x0000000004630000-0x0000000004C88000-memory.dmp
                                            Filesize

                                            6.3MB

                                          • memory/2460-28-0x0000000000B40000-0x0000000000B46000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/2460-10-0x0000000000B40000-0x0000000000B46000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/2508-11-0x0000000000AE0000-0x0000000000AE6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/2508-27-0x0000000000AE0000-0x0000000000AE6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/2632-26-0x0000000000BE0000-0x0000000000BE6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/2632-12-0x0000000000BE0000-0x0000000000BE6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3124-30-0x0000000000570000-0x0000000000576000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3124-21-0x0000000000570000-0x0000000000576000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3364-24-0x00000000009E0000-0x00000000009E6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3364-7-0x00000000009D0000-0x00000000009D6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3364-13-0x00000000009E0000-0x00000000009E6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3364-4-0x00000000009D0000-0x00000000009D6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3544-14-0x0000000000800000-0x0000000000806000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3544-33-0x0000000000800000-0x0000000000806000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3716-15-0x0000000000270000-0x0000000000276000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3716-25-0x0000000000270000-0x0000000000276000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3816-16-0x0000000000DC0000-0x0000000000DC6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3816-34-0x0000000000DC0000-0x0000000000DC6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3848-19-0x00000000006A0000-0x00000000006A6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3848-31-0x00000000006A0000-0x00000000006A6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3920-32-0x00000000006E0000-0x00000000006E6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/3920-17-0x00000000006E0000-0x00000000006E6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/4008-18-0x0000000000FB0000-0x0000000000FB6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/4360-20-0x00000000002C0000-0x00000000002C6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/4360-29-0x00000000002C0000-0x00000000002C6000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/5076-5-0x0000000000E50000-0x0000000000E56000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/5076-22-0x0000000002400000-0x0000000002406000-memory.dmp
                                            Filesize

                                            24KB

                                          • memory/5076-36-0x0000000002400000-0x0000000002406000-memory.dmp
                                            Filesize

                                            24KB