Analysis

  • max time kernel
    26s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 20:16

General

  • Target
    script.vbs
  • Size 659B
  • Sample240526-y2maxsbf45
  • SHA256 2bb9c07e14591f2c0640cc7e9ae0ca347d5b14ca2fed03de2f761a5a31b5e328
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 10 IoCs

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

  • Enumerates system info in registry 2 TTPs 64 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\script.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
      2⤵
        PID:4976
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
        2⤵
          PID:3320
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
          2⤵
            PID:4028
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
            2⤵
              PID:3228
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
              2⤵
                PID:3884
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                2⤵
                  PID:2800
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                  2⤵
                    PID:1528
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                    2⤵
                      PID:1588
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                      2⤵
                        PID:1504
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                        2⤵
                          PID:1780
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                          2⤵
                            PID:5072
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                            2⤵
                              PID:5060
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                              2⤵
                                PID:1328
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                2⤵
                                  PID:4760
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                  2⤵
                                    PID:1136
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                    2⤵
                                      PID:2204
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                      2⤵
                                        PID:1124
                                      • C:\Windows\system32\cmd.exe
                                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                        2⤵
                                          PID:2516
                                        • C:\Windows\system32\cmd.exe
                                          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                          2⤵
                                            PID:3520
                                          • C:\Windows\system32\cmd.exe
                                            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                            2⤵
                                              PID:4820
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                              2⤵
                                                PID:4488
                                              • C:\Windows\system32\cmd.exe
                                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                2⤵
                                                  PID:2780
                                                • C:\Windows\system32\cmd.exe
                                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                  2⤵
                                                    PID:3076
                                                  • C:\Windows\system32\cmd.exe
                                                    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                    2⤵
                                                      PID:3568
                                                    • C:\Windows\system32\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                      2⤵
                                                        PID:2272
                                                      • C:\Windows\system32\cmd.exe
                                                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                        2⤵
                                                          PID:4920
                                                        • C:\Windows\system32\cmd.exe
                                                          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                          2⤵
                                                            PID:3260
                                                          • C:\Windows\system32\cmd.exe
                                                            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                            2⤵
                                                              PID:2144
                                                            • C:\Windows\system32\cmd.exe
                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                              2⤵
                                                                PID:2892
                                                              • C:\Windows\system32\cmd.exe
                                                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\what.bat" "
                                                                2⤵
                                                                  PID:2568
                                                                • C:\Windows\System32\taskkill.exe
                                                                  "C:\Windows\System32\taskkill.exe" /f /im cmd.exe
                                                                  2⤵
                                                                  • Kills process with taskkill
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  PID:3888
                                                                • C:\Windows\System32\reg.exe
                                                                  "C:\Windows\System32\reg.exe" delete HKLM /f
                                                                  2⤵
                                                                  • Modifies system executable filetype association
                                                                  • Checks processor information in registry
                                                                  • Enumerates system info in registry
                                                                  • Modifies registry class
                                                                  • Modifies registry key
                                                                  PID:5392
                                                              • 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=4828 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
                                                                1⤵
                                                                  PID:5724

                                                                Network

                                                                      MITRE ATT&CK Enterprise v15

                                                                      Replay Monitor

                                                                      Loading Replay Monitor...

                                                                      Downloads

                                                                      what.bat

                                                                      • Path C:\Users\Admin\AppData\Roaming\what.bat
                                                                      • Size 138B
                                                                      • SHA256 1b357376ed2cdf28d86f7f9a56b509f02f5d1efa43df0028d04873901228e773
                                                                      • MD5 SHA1 SHA512