Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2024, 02:26

General

  • Target
    b017d782a26ff7c3c368a2e57efddcd3.exe
  • Size 160KB
  • Sample240301-cwvt8aah32
  • SHA256 71ab0b52cc7387526cb561fbf2c95f5649fa877dad1082451a368309ebced41c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2416
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2448
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2520
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          PID:3332
          • C:\Users\Admin\AppData\Local\Temp\b017d782a26ff7c3c368a2e57efddcd3.exe
            "C:\Users\Admin\AppData\Local\Temp\b017d782a26ff7c3c368a2e57efddcd3.exe"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:728
            • 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:5036
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
            PID:3468
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:3732
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
              • Suspicious use of UnmapMainImage
              PID:3880
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3944
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:4028
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2140
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:2260
                    • 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:544
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4880
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                          1⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3856
                          • 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,0x240,0x234,0x2b0,0x7ffce2632e98,0x7ffce2632ea4,0x7ffce2632eb0
                            2⤵
                              PID:4920
                            • 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=2324 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:2
                              2⤵
                                PID:3124
                              • 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=2936 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:3
                                2⤵
                                  PID:1576
                                • 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=3384 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
                                  2⤵
                                    PID:4988
                                  • 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=5248 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:1
                                    2⤵
                                      PID:3612
                                    • 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=5304 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:1
                                      2⤵
                                        PID:4156
                                      • 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=1404 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
                                        2⤵
                                          PID:1160
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                        1⤵
                                          PID:2024
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                          1⤵
                                            PID:4808
                                          • C:\Windows\system32\backgroundTaskHost.exe
                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                            1⤵
                                              PID:3828
                                            • C:\Windows\System32\RuntimeBroker.exe
                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                              1⤵
                                                PID:1588
                                              • C:\Windows\System32\wuapihost.exe
                                                C:\Windows\System32\wuapihost.exe -Embedding
                                                1⤵
                                                  PID:4924
                                                • C:\Windows\system32\backgroundTaskHost.exe
                                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                  1⤵
                                                    PID:1060

                                                  Network

                                                        MITRE ATT&CK Enterprise v15

                                                        Replay Monitor

                                                        Loading Replay Monitor...

                                                        Downloads

                                                        Network Persistent State

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                                        • Size 1KB
                                                        • SHA256 29ae8e38be183d844edad725e474b3c124d1c256bb91b4dc7c63e664e6612b53
                                                        • MD5 SHA1 SHA512

                                                        Preferences

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                                        • Size 9KB
                                                        • SHA256 9b275f37524fbf27f3009a2f09c3eb5e37cb316682971e7eda5a80e89ccfb88d
                                                        • MD5 SHA1 SHA512 SSDEEP

                                                        eventbeacons.dat

                                                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\eventbeacons.dat
                                                        • Size 416B
                                                        • SHA256 d99b671f7177860fd88c70638b9da1a959d6f5b82a6aea2257f0e8a32d56545e
                                                        • MD5 SHA1 SHA512

                                                        eventbeacons.dat

                                                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\eventbeacons.dat
                                                        • Size 213B
                                                        • SHA256 d7a16c2f6d6997e3e82e5a9fa9599b060a282fee6f7ddc5a57e7a151844854f7
                                                        • MD5 SHA1 SHA512

                                                        eventbeacons.dat

                                                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\eventbeacons.dat
                                                        • Size 629B
                                                        • SHA256 772f83a510894ab16c84b891a5f43e7f85a293b6e3b8c190b762affae64afa04
                                                        • MD5 SHA1 SHA512

                                                        memory/544-35-0x0000000000420000-0x0000000000426000-memory.dmp

                                                        memory/544-32-0x0000000000420000-0x0000000000426000-memory.dmp

                                                        memory/728-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

                                                        memory/728-2-0x00000000022C0000-0x0000000002CC0000-memory.dmp

                                                        memory/728-8-0x0000000000400000-0x0000000000428000-memory.dmp

                                                        memory/728-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

                                                        memory/728-0-0x0000000000400000-0x0000000000428000-memory.dmp

                                                        memory/1060-67-0x00000000005A0000-0x00000000005A6000-memory.dmp

                                                        memory/1060-66-0x00000000005A0000-0x00000000005A6000-memory.dmp

                                                        memory/1060-68-0x00007FFD07F40000-0x00007FFD07F41000-memory.dmp

                                                        memory/1060-69-0x00007FFD07F30000-0x00007FFD07F31000-memory.dmp

                                                        memory/1588-64-0x00007FFD07F30000-0x00007FFD07F31000-memory.dmp

                                                        memory/1588-63-0x00007FFD07F40000-0x00007FFD07F41000-memory.dmp

                                                        memory/1588-62-0x00007FFD07F20000-0x00007FFD07F21000-memory.dmp

                                                        memory/1588-42-0x0000000000C90000-0x0000000000C96000-memory.dmp

                                                        memory/1588-40-0x0000000000C90000-0x0000000000C96000-memory.dmp

                                                        memory/2024-37-0x0000000000790000-0x0000000000796000-memory.dmp

                                                        memory/2140-29-0x0000000000D30000-0x0000000000D36000-memory.dmp

                                                        memory/2140-31-0x0000000000D30000-0x0000000000D36000-memory.dmp

                                                        memory/2260-33-0x0000000000770000-0x0000000000776000-memory.dmp

                                                        memory/2260-30-0x0000000000770000-0x0000000000776000-memory.dmp

                                                        memory/2416-18-0x0000000000B30000-0x0000000000B36000-memory.dmp

                                                        memory/2448-14-0x00000000006F0000-0x00000000006F6000-memory.dmp

                                                        memory/2448-19-0x00000000006F0000-0x00000000006F6000-memory.dmp

                                                        memory/2520-20-0x0000000000A50000-0x0000000000A56000-memory.dmp

                                                        memory/2520-15-0x0000000000A50000-0x0000000000A56000-memory.dmp

                                                        memory/3332-5-0x0000000000890000-0x0000000000896000-memory.dmp

                                                        memory/3332-7-0x00007FFD07DAD000-0x00007FFD07DAE000-memory.dmp

                                                        memory/3332-16-0x00000000008B0000-0x00000000008B6000-memory.dmp

                                                        memory/3332-22-0x00000000008B0000-0x00000000008B6000-memory.dmp

                                                        memory/3332-10-0x00007FFD07F40000-0x00007FFD07F41000-memory.dmp

                                                        memory/3468-17-0x0000000000A80000-0x0000000000A86000-memory.dmp

                                                        memory/3468-24-0x0000000000A80000-0x0000000000A86000-memory.dmp

                                                        memory/3732-21-0x00000000009D0000-0x00000000009D6000-memory.dmp

                                                        memory/3828-44-0x0000000000050000-0x0000000000056000-memory.dmp

                                                        memory/3828-46-0x0000000000050000-0x0000000000056000-memory.dmp

                                                        memory/3828-39-0x0000000000050000-0x0000000000056000-memory.dmp

                                                        memory/3828-45-0x00007FFD07F30000-0x00007FFD07F31000-memory.dmp

                                                        memory/3880-23-0x0000000000230000-0x0000000000236000-memory.dmp

                                                        memory/3880-65-0x00007FFD07F20000-0x00007FFD07F21000-memory.dmp

                                                        memory/3880-26-0x0000000000230000-0x0000000000236000-memory.dmp

                                                        memory/3880-77-0x00007FFD07F30000-0x00007FFD07F31000-memory.dmp

                                                        memory/3944-25-0x0000000000240000-0x0000000000246000-memory.dmp

                                                        memory/3944-27-0x0000000000240000-0x0000000000246000-memory.dmp

                                                        memory/3944-71-0x00007FFD07F40000-0x00007FFD07F41000-memory.dmp

                                                        memory/3944-70-0x00007FFD07F20000-0x00007FFD07F21000-memory.dmp

                                                        memory/4028-28-0x0000000000D30000-0x0000000000D36000-memory.dmp

                                                        memory/4808-38-0x0000000000D30000-0x0000000000D36000-memory.dmp

                                                        memory/4880-34-0x0000000000770000-0x0000000000776000-memory.dmp

                                                        memory/4880-36-0x0000000000770000-0x0000000000776000-memory.dmp

                                                        memory/4924-43-0x0000000000710000-0x0000000000716000-memory.dmp

                                                        memory/4924-41-0x0000000000710000-0x0000000000716000-memory.dmp

                                                        memory/5036-12-0x00000000025B0000-0x00000000025B6000-memory.dmp

                                                        memory/5036-6-0x0000000077912000-0x0000000077913000-memory.dmp

                                                        memory/5036-3-0x00000000025B0000-0x00000000025B6000-memory.dmp