Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 12:18

General

  • Target
    VAT_N0.20260721074047.exe
  • Size 3.3MB
  • Sample260721-pgqceavgre
  • SHA256 5dabdd4b418ca8b4034b5dea3684da0c10022ca5793c84439e4698e338e25db3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

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

  • Delays execution with timeout.exe 5 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VAT_N0.20260721074047.exe
    "C:\Users\Admin\AppData\Local\Temp\VAT_N0.20260721074047.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Windows\System32\ComputerDefaults.exe
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Windows\SysWOW64\ComputerDefaults.exe
        C:\Windows\System32\ComputerDefaults.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1232
        • C:\ProgramData\ABACF4A0-6087-4431-866B-7C779722FDC4_95cp4j9ng26nb\Installers\EdgeUpdate.exe
          "EdgeUpdate.exe"
          4⤵
          • Enumerates connected drives
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3872
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im cmd.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4272
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\F52C5BB5C37CEA2C84F.BAT
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4224
            • C:\Windows\SysWOW64\cmd.exe
              cmd /C C:\Users\Admin\AppData\Local\Temp\F52C5BB5C37CEA2C84F.BAT
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1996
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "IMAGENAME eq EdgeUpdate.exe"
                7⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:4548
              • C:\Windows\SysWOW64\find.exe
                find /I "EdgeUpdate.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:4872
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 30 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:5468
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "IMAGENAME eq EdgeUpdate.exe"
                7⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:1864
              • C:\Windows\SysWOW64\find.exe
                find /I "EdgeUpdate.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1800
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 30 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:472
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "IMAGENAME eq EdgeUpdate.exe"
                7⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:1276
              • C:\Windows\SysWOW64\find.exe
                find /I "EdgeUpdate.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:2792
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 30 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:3136
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "IMAGENAME eq EdgeUpdate.exe"
                7⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:4720
              • C:\Windows\SysWOW64\find.exe
                find /I "EdgeUpdate.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:4936
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 30 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:1412
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist /FI "IMAGENAME eq EdgeUpdate.exe"
                7⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:1084
              • C:\Windows\SysWOW64\find.exe
                find /I "EdgeUpdate.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:5436
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 30 /nobreak
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4796
  • C:\ProgramData\ABACF4A0-6087-4431-866B-7C779722FDC4_95cp4j9ng26nb\Installers\EdgeUpdate.exe
    C:\ProgramData\ABACF4A0-6087-4431-866B-7C779722FDC4_95cp4j9ng26nb\Installers\EdgeUpdate.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:4260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 692
      2⤵
      • Program crash
      PID:2272
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4260 -ip 4260
    1⤵
      PID:5832

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          EdgeUpdate.exe

          • Path C:\ProgramData\ABACF4A0-6087-4431-866B-7C779722FDC4_95cp4j9ng26nb\Installers\EdgeUpdate.exe
          • Size 3.3MB
          • SHA256 5dabdd4b418ca8b4034b5dea3684da0c10022ca5793c84439e4698e338e25db3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pDFcoRe8.dlL

          • Path C:\ProgramData\ABACF4A0-6087-4431-866B-7C779722FDC4_95cp4j9ng26nb\Installers\pDFcoRe8.dlL
          • Size 3.5MB
          • SHA256 65afea4c7fd6bcb11081821217408da84012897d2e74b9cdb32ee6e99ac6a4c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          F52C5BB5C37CEA2C84F.BAT

          • Path C:\Users\Admin\AppData\Local\Temp\F52C5BB5C37CEA2C84F.BAT
          • Size 859B
          • SHA256 96c6d9ab59445514ec70e1bc1fa495161f2585b588734ab5de02bf935f2e13e3
          • MD5 SHA1 SHA512 TLSH

          memory/3872-8-0x00000000050D0000-0x0000000005127000-memory.dmp

          memory/3872-9-0x00000000050D0000-0x0000000005127000-memory.dmp

          memory/3872-11-0x00000000050D0000-0x0000000005127000-memory.dmp

          memory/3872-15-0x00000000050D0000-0x0000000005127000-memory.dmp

          memory/3872-14-0x00000000050D0000-0x0000000005127000-memory.dmp