Analysis

  • max time kernel
    39s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 12:44

General

  • Target

    rasols.bat

  • Size

    670B

  • MD5

    3fa703702d40bde2b0e6c3e4d714530f

  • SHA1

    ba1a1224efa91e43a731005fbca16bf6b7bf7789

  • SHA256

    9f32da05cb50dffe57229f0cec2e1f06736634cc2b600bf4011a279adfa97202

  • SHA512

    08b3252b6c58201351a77f397161dab9d49a627246dfe976fa9d1efa60012c8978c0fd5b4d8870eb002effb1b2a2f5ce9ded6f1f2abf83adbefae80ea040cc24

Score
8/10

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 3 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Drops startup file 2 IoCs
  • Enumerates connected drives 3 TTPs 6 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 33 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rasols.bat"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zupa.bat"
      2⤵
        PID:1976
    • C:\Windows\system32\werfault.exe
      werfault.exe /h /shared Global\595b77b78a864b709f224372859df9a6 /t 3516 /p 3512
      1⤵
        PID:4900
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3824
      • 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 SetWindowsHookEx
        PID:3704
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4848
      • 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 SetWindowsHookEx
        PID:1828
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:4172
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3628
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        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:1712
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
              PID:464
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3868
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3912
                • C:\Windows\system32\werfault.exe
                  werfault.exe /h /shared Global\1eede87a72f54e3bb53a9e70709d18e8 /t 4916 /p 464
                  1⤵
                    PID:2344
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:4196
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3228
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:2396

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04

                                Filesize

                                471B

                                MD5

                                1f2d7ef8cddbdc9993dc3cecd01e96bc

                                SHA1

                                effd0abf0646b67f5407fa732df673e739df49dc

                                SHA256

                                6cb9f916579a761bbbfb9c04b284221d0559730c32472e175199188ad6334096

                                SHA512

                                b485ba08413f718ec39ab45f92be1345d95cd29cf63637e2768d52bbe89c6967fdf02efb4da9a1381751f0ae5b272c21f547d982fc1a412edb4e7fda04bc04d0

                              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04

                                Filesize

                                412B

                                MD5

                                f14116d3d53226e668580112d31e6610

                                SHA1

                                b3e34a642f97d2c9144785e465f56f1e07bec3b1

                                SHA256

                                00fe96cf53f3320769844781a17a39e53e74bb0d9e6bc33f94ccea0352826522

                                SHA512

                                7010582fbb640aef23335be6d033c67d2c36bdc9805c0f42c5fb6636f1f689d5406a1c8531c5c2eba012f0ea1c3e93066d4f04a712e8ea27ff7ab206f819269b

                              • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\TokenBroker\Cache\fbaf94e759052658216786bfbabcdced1b67a5c2.tbres

                                Filesize

                                2KB

                                MD5

                                9cd9c1a7efca6db2f17743534b5823fe

                                SHA1

                                bc0135d1de63a9b847cb1ae1795350b3fd2c574f

                                SHA256

                                42ffb9fd183bce8047d5d1a82b799799a3734a15c6cef85a5646236426f96045

                                SHA512

                                1b41d771efc4572c579fd5e31de7d735e14654968e4c05f432290234b38e20ad3785d9b615b8fee23bad82769d288767b1d9d2a07570cc90af13f48c1af9829b

                              • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\FKEP33TV\microsoft.windows[1].xml

                                Filesize

                                96B

                                MD5

                                dcfd0f22889d8b3a982fbe019d01d543

                                SHA1

                                fe866022f3fdf8fba4d3bd366ff0e2683fe58e59

                                SHA256

                                2337927b5b24c83c8ab37dfc0fe7ddcd832ffb16d0cee5d50344478218893f5b

                                SHA512

                                11b59e18705c1d95508e298938525f931c12c9010cdc03fad15f5585bc503713670d93739668d886ed9446d528c3dc7ac8cbc8e52198eb85ea6557821a124cc8

                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zupa.bat

                                Filesize

                                111B

                                MD5

                                e1fb0edaa5e8c7fd3e3b13e556ef90cc

                                SHA1

                                cbcc264254a0a13d510de0b9762c2ca0ea18558f

                                SHA256

                                9b5a8878d9f606c6d43dcbd57115ffc69117bde85f11dbb928eb8d2362821455

                                SHA512

                                66ce1425a0f6bcf882eb5a81be576de0f12defeb791ce1e4ed28d5e0c605830156b004299a3e4e55c5ccdd43df0e29098f1b407c2aa5ecf4c2bb3d2aab37d21d

                              • memory/464-258-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1712-138-0x00000279E35C0000-0x00000279E35E0000-memory.dmp

                                Filesize

                                128KB

                              • memory/1712-133-0x00000279E2450000-0x00000279E2550000-memory.dmp

                                Filesize

                                1024KB

                              • memory/1712-141-0x00000279E3990000-0x00000279E39B0000-memory.dmp

                                Filesize

                                128KB

                              • memory/1712-140-0x00000279E3580000-0x00000279E35A0000-memory.dmp

                                Filesize

                                128KB

                              • memory/2396-395-0x0000025644300000-0x0000025644400000-memory.dmp

                                Filesize

                                1024KB

                              • memory/2396-403-0x0000025645420000-0x0000025645440000-memory.dmp

                                Filesize

                                128KB

                              • memory/2396-431-0x0000025645830000-0x0000025645850000-memory.dmp

                                Filesize

                                128KB

                              • memory/2396-396-0x0000025644300000-0x0000025644400000-memory.dmp

                                Filesize

                                1024KB

                              • memory/2396-399-0x0000025645460000-0x0000025645480000-memory.dmp

                                Filesize

                                128KB

                              • memory/3628-132-0x0000000004510000-0x0000000004511000-memory.dmp

                                Filesize

                                4KB

                              • memory/3912-260-0x0000021F2DC20000-0x0000021F2DD20000-memory.dmp

                                Filesize

                                1024KB

                              • memory/3912-261-0x0000021F2DC20000-0x0000021F2DD20000-memory.dmp

                                Filesize

                                1024KB

                              • memory/3912-265-0x0000021F2EB80000-0x0000021F2EBA0000-memory.dmp

                                Filesize

                                128KB

                              • memory/3912-269-0x0000021F2F150000-0x0000021F2F170000-memory.dmp

                                Filesize

                                128KB

                              • memory/3912-267-0x0000021F2EB40000-0x0000021F2EB60000-memory.dmp

                                Filesize

                                128KB

                              • memory/3912-262-0x0000021F2DC20000-0x0000021F2DD20000-memory.dmp

                                Filesize

                                1024KB

                              • memory/4172-46-0x00000276B96C0000-0x00000276B96E0000-memory.dmp

                                Filesize

                                128KB

                              • memory/4172-16-0x00000276B8300000-0x00000276B8400000-memory.dmp

                                Filesize

                                1024KB

                              • memory/4172-21-0x00000276B9300000-0x00000276B9320000-memory.dmp

                                Filesize

                                128KB

                              • memory/4172-32-0x00000276B8FB0000-0x00000276B8FD0000-memory.dmp

                                Filesize

                                128KB

                              • memory/4196-393-0x0000000004950000-0x0000000004951000-memory.dmp

                                Filesize

                                4KB

                              • memory/4848-14-0x0000000004E60000-0x0000000004E61000-memory.dmp

                                Filesize

                                4KB