Resubmissions

09/04/2024, 21:46

240409-1mw8pagc5w

09/04/2024, 21:43

240409-1k3mpacg598

Analysis

  • max time kernel
    156s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 21:43

General

  • Target
    MBSetup.exe
  • Size 2.5MB
  • Sample240409-1k3mpacg59
  • SHA256 74b0bf9c17091ab1c6c61af0aefbc599f1ecc0fff6dee0144a3dfd5cd1f5e18f
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 52 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MBSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\MBSetup.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks BIOS information in registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2484
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4568
  • 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=3868 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2344
    • C:\Windows\system32\werfault.exe
      werfault.exe /h /shared Global\650e5e1efa8e42439e253e8b04e81c8f /t 4852 /p 4568
      1⤵
        PID:3088
      • 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:1396
        • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffe940a9758,0x7ffe940a9768,0x7ffe940a9778
          2⤵
            PID:2520
          • 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=1804 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:2
            2⤵
              PID:5044
            • 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=2080 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:8
              2⤵
                PID:3520
              • 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=2228 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:8
                2⤵
                  PID:4988
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2856 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:1
                  2⤵
                    PID:5032
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2876 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:1
                    2⤵
                      PID:3968
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4728 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:1
                      2⤵
                        PID:2424
                      • 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=4636 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:8
                        2⤵
                          PID:3536
                        • 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=4836 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:8
                          2⤵
                            PID:1656
                          • 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=5356 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:8
                            2⤵
                              PID:3336
                            • 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=5076 --field-trial-handle=1924,i,7566201505033712700,15201052736629303272,131072 /prefetch:8
                              2⤵
                                PID:2568
                            • 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:1940

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    TransportSecurity

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                    • Size 369B
                                    • SHA256 62fd64247f5b81bb6d170e5dc282a167f31e03f9de7fc506e34e5a9862947b58
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 5KB
                                    • SHA256 4304be395082b3087fd6d37edec704702b7762919536f10a487470b3e390ae92
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 260KB
                                    • SHA256 0215953a106b9529eedf03c4f1923c0497925e6e0030dd17a4973cafbf46400f
                                    • MD5 SHA1 SHA512 SSDEEP

                                    persisted_first_party_sets.json

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                    • Size 2B
                                    • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                    • MD5 SHA1 SHA512

                                    memory/4568-9-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-0-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-8-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-7-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-6-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-10-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-11-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-12-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-2-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp

                                    memory/4568-1-0x000001E5A5C50000-0x000001E5A5C51000-memory.dmp