Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 22:46

General

  • Target
    2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe
  • Size 9.2MB
  • Sample260804-2px4fazvfx
  • SHA256 24a64615a6409d5dd7c7d27d734c0be36fbf7e752a9dc0f30c9f14c111538dbb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Detect Neshta payload 8 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe"
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • Enumerates connected drives
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktopGX --annotation=ver=133.0.5932.56 --initial-client-data=0x298,0x29c,0x2a0,0x274,0x2a4,0x7ff66f33cd88,0x7ff66f33cd94,0x7ff66f33cda0
        3⤵
        • Executes dropped EXE
        PID:5192
      • C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe" --version
        3⤵
        • Executes dropped EXE
        PID:4336
      • C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\Opera_GX_assistant_132.0.5905.28_Setup.exe_sfx.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\Opera_GX_assistant_132.0.5905.28_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5180
      • C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:5660
        • C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\assistant_installer.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=132.0.5905.28 --initial-client-data=0x24c,0x250,0x254,0xf0,0x258,0x484b80,0x484b8c,0x484b98
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1700

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ACROTE~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 86KB
        • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        additional_file0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\additional_file0.tmp
        • Size 2.8MB
        • SHA256 0f50bda78a34e09ccfd5e33a7958de9eebe9863cc3d875e8b9c52dec3f3a9992
        • MD5 SHA1 SHA512 SSDEEP TLSH

        assistant_installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\assistant_installer.exe
        • Size 2.5MB
        • SHA256 e86907d20a18c6b99e270a4422e0c279079e8a118b6bd7fbb4001161ddc881f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        browser_assistant.exe

        • Path C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\browser_assistant.exe
        • Size 5.2MB
        • SHA256 4a5fd953fd0e1c3085ae68fa3984083b6273b2fecad4cbd5149f9b20a720e7e5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dbgcore.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\dbgcore.DLL
        • Size 196KB
        • SHA256 a2777992696c953c001dabade3f236f731987b58061efd8c894815f9939f979c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dbghelp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\dbghelp.dll
        • Size 1.8MB
        • SHA256 102419e70ed462dd1ef4a30d94b714c4317ea838d7acc85ae030dfca19f609ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        files_list

        • Path C:\Users\Admin\AppData\Local\Temp\.opera\d621e873-f579-40b3-9922-b49418fe84fb Opera GX Installer Temp\opera_package_202608042346161\assistant\files_list
        • Size 72B
        • SHA256 5b3741e12f14d0ae54d450fff585c5fbfa7b360800c863722472d320c26b4ef4
        • MD5 SHA1 SHA512 TLSH

        2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-04_7a6f85a116d580bce7600c3ff3e41266_cobalt-strike_elex_glassworm_icedid_neshta_njrat_ransomhub.exe
        • Size 9.1MB
        • SHA256 8f8fb47349b24e10379baf9e6e320519e2d0f443ed92eb49ea114ce59d28a3c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        settings.dat

        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat
        • Size 40B
        • SHA256 bb47d385abfeb63523cfaff0c7617d704f3f7e6c5b9ea7812851c44f87ba624f
        • MD5 SHA1 SHA512

        memory/2516-166-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2516-160-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2516-159-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2516-221-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2516-158-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2516-225-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2516-227-0x0000000000400000-0x000000000041B000-memory.dmp