Analysis

  • max time kernel
    150s
  • 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
    23/07/2026, 12:13

General

  • Target
    2026-07-23_3d7795642a47e90074e603414de0b446_darkgate_elex_luca-stealer_mespinoza_njrat.exe
  • Size 3.9MB
  • Sample260723-pd9a4swvbx
  • SHA256 f2b3fb1da8609fb6d1a47372921cf67e544659c2abb03459d02919c7ee88abea
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 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 24 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 8 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_3d7795642a47e90074e603414de0b446_darkgate_elex_luca-stealer_mespinoza_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_3d7795642a47e90074e603414de0b446_darkgate_elex_luca-stealer_mespinoza_njrat.exe"
    1⤵
    • Downloads MZ/PE file
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Users\Admin\AppData\Local\Temp\150.0.4191.82\msedgeupdateres_zh-CN.exe
      "C:\Users\Admin\AppData\Local\Temp\150.0.4191.82\msedgeupdateres_zh-CN.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2152
      • C:\Windows\SysWOW64\cmd.exe
        /c C:\Windows\System32\ComputerDefaults.exe
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4912
        • C:\Windows\SysWOW64\ComputerDefaults.exe
          C:\Windows\System32\ComputerDefaults.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2632
          • C:\ProgramData\{67340B4C-1D50-451A-995A-05E97B64FF02}v96.93.26399\packages\M365Copilot.exe
            "M365Copilot.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Enumerates connected drives
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4188
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im cmd.exe
              6⤵
              • System Location Discovery: System Language Discovery
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1688
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\BF0DA42BE61C5A096FF.BAT
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:568
              • C:\Windows\SysWOW64\cmd.exe
                cmd /C C:\Users\Admin\AppData\Local\Temp\BF0DA42BE61C5A096FF.BAT
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3340
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist /FI "IMAGENAME eq M365Copilot.exe"
                  8⤵
                  • Enumerates processes with tasklist
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4164
                • C:\Windows\SysWOW64\find.exe
                  find /I "M365Copilot.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:2328
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 30 /nobreak
                  8⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:2396
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist /FI "IMAGENAME eq M365Copilot.exe"
                  8⤵
                  • Enumerates processes with tasklist
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3192
                • C:\Windows\SysWOW64\find.exe
                  find /I "M365Copilot.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:2752
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 30 /nobreak
                  8⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:1060
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist /FI "IMAGENAME eq M365Copilot.exe"
                  8⤵
                  • Enumerates processes with tasklist
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:5372
                • C:\Windows\SysWOW64\find.exe
                  find /I "M365Copilot.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:4260
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 30 /nobreak
                  8⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:3516
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist /FI "IMAGENAME eq M365Copilot.exe"
                  8⤵
                  • Enumerates processes with tasklist
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:260
                • C:\Windows\SysWOW64\find.exe
                  find /I "M365Copilot.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:1300
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 30 /nobreak
                  8⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:4204
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist /FI "IMAGENAME eq M365Copilot.exe"
                  8⤵
                  • Enumerates processes with tasklist
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:5080
                • C:\Windows\SysWOW64\find.exe
                  find /I "M365Copilot.exe"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:1456
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 30 /nobreak
                  8⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:5240
  • C:\ProgramData\{67340B4C-1D50-451A-995A-05E97B64FF02}v96.93.26399\packages\M365Copilot.exe
    C:\ProgramData\{67340B4C-1D50-451A-995A-05E97B64FF02}v96.93.26399\packages\M365Copilot.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:6096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6096 -s 748
      2⤵
      • Program crash
      PID:5512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 248 -p 6096 -ip 6096
    1⤵
      PID:1496

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          PDFCore8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\150.0.4191.82\PDFCore8.dll
          • Size 3.5MB
          • SHA256 3e42412700130b62c7265be6122c064280a56e519d6074c677f7ba3c541bc960
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msedgeupdateres_zh-CN.exe

          • Path C:\Users\Admin\AppData\Local\Temp\150.0.4191.82\msedgeupdateres_zh-CN.exe
          • Size 2.5MB
          • SHA256 88e32dfea6c94b16a89e9c3b66a01f5bc1c99b4abddb48060cbe5c06b77907d3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BF0DA42BE61C5A096FF.BAT

          • Path C:\Users\Admin\AppData\Local\Temp\BF0DA42BE61C5A096FF.BAT
          • Size 860B
          • SHA256 d223c8e605377bb9ea4d4a21dd0eb20d62cd6bb28ab3ea93fbac4ff90852a09b
          • MD5 SHA1 SHA512 TLSH

          memory/4188-29-0x00000000049D0000-0x0000000004A27000-memory.dmp

          memory/4188-30-0x00000000049D0000-0x0000000004A27000-memory.dmp

          memory/4188-32-0x00000000049D0000-0x0000000004A27000-memory.dmp

          memory/4188-33-0x00000000049D0000-0x0000000004A27000-memory.dmp

          memory/4188-34-0x00000000049D0000-0x0000000004A27000-memory.dmp