Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 06:21

General

  • Target
    2026-08-02_203f78ede172fdf0a8147e197702c515_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 557KB
  • Sample260802-g4ev7ael2x
  • SHA256 de2960d197cf7f6f1fe0f7da5c8f9d31626b84b5a749024953d432b223e5f1b4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (257) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 3 IoCs
  • Executes dropped EXE 2 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 2 IoCs
  • Enumerates connected drives 3 TTPs 21 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 4 IoCs
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_203f78ede172fdf0a8147e197702c515_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_203f78ede172fdf0a8147e197702c515_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3252
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aF836.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3032
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5540
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3532
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5112
  • C:\Windows\uninstall\rundl132.exe
    C:\Windows\uninstall\rundl132.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2624

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX9046.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCX9046.tmp
        • Size 156KB
        • SHA256 d73cb90557fca4597ec9a2c1d1d3c9e0ace74304dace94603a28b864c3cd3987
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9326.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCX9326.tmp
        • Size 94KB
        • SHA256 108ff712266118486590a08a12777ee2b9e65a43074b982275bf816707db3bed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX95E7.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCX95E7.tmp
        • Size 103KB
        • SHA256 f0e4aebc42e1dbdd323cf8a1019c3f602d834e6f9af352c0173e77250454da20
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9658.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCX9658.tmp
        • Size 91KB
        • SHA256 b3392a2c16f45881b5d04c4fa8b2a1bae126bc20654db7295ef3c42fda1fec38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9489.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCX9489.tmp
        • Size 118KB
        • SHA256 2230cda2b2ea3afc8589ac93532e323f1901126b2b2f2f01680226b0363b3dbc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX980E.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCX980E.tmp
        • Size 100KB
        • SHA256 0729eeca24e0514a9241e4abaaaf4b0fe653b0121c8740e2fbf9f1baa8b8ca97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX85E2.tmp

        • Path C:\Program Files\7-Zip\RCX85E2.tmp
        • Size 91KB
        • SHA256 4aa2983a64633f0b43c02419a570dda5c307b8f6c192f00b13691b34a1abf1e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8ACF.tmp

        • Path C:\Program Files\Mozilla Firefox\RCX8ACF.tmp
        • Size 91KB
        • SHA256 376cda90b3f7841411f9a1ffb5b56152a32c89e53c1f9fb7a61ae6948bf9de40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9CD2.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCX9CD2.tmp
        • Size 92KB
        • SHA256 cec0511ea2789edfe11660395d4e727662f065b38be0eeb7b08a714d772761b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aF836.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aF836.bat
        • Size 902B
        • SHA256 12c0764667fced1870d4f720810f485164c06a98c90315656862eb9c08bea131
        • MD5 SHA1 SHA512 TLSH

        2026-08-02_203f78ede172fdf0a8147e197702c515_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-02_203f78ede172fdf0a8147e197702c515_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 464KB
        • SHA256 69ba4eb22f23261d99b66908badf829b0c95ad52863a7fcefa56b8d03b4f6a24
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 8104fd424cced7380c5d86a482e164024b645225a1bf09e4f1ec62c704ad7fda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        memory/2624-17-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4060-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4060-1130-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4060-1259-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4220-10-0x0000000000400000-0x0000000000429000-memory.dmp