Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 15:48

General

  • Target
    2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe
  • Size 5.7MB
  • Sample260822-s8vb8a1sat
  • SHA256 2a2c93904c7492ba3d26d11ed70e5f96db1e7da49f13ec65a3664d0c6c9405d9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • 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.

  • 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 9 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\2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5948
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3428
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a814C.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3288
      • C:\Users\Admin\AppData\Local\Temp\2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe"
        3⤵
        • Executes dropped EXE
        PID:4452
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • 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:1716
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4588
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4952
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3416
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3160

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 132KB
        • SHA256 ed8df1f7aff32779ad687b00ed5e076ea4aae5dffd7e349253937148b7de1b1b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 488KB
        • SHA256 f672e9c62f2252bd14a1e8c888ed2404ab853d10072f5fe439f280693bd0807b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a814C.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a814C.bat
        • Size 980B
        • SHA256 4b8ea110e598200c4fdcd460695d90b45d08267c4aaeaae0369d5bb895801c55
        • MD5 SHA1 SHA512 TLSH

        2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-21_463ac449c184c316b76021c2c4e6d429_akira_cobalt-strike_elex_hijackloader_icedid_njrat_remcos_vidar.exe.exe
        • Size 5.7MB
        • SHA256 f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 33KB
        • SHA256 12501f1f135e2a201fe4eedacaffe14830b71ecc45493671002f16341bb23a49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-189034102-168398478-1159367937-1000\_desktop.ini
        • Size 9B
        • SHA256 d4d8f9f80b18a46f97a66d9f2276d6028cc30bdd0122ba5302395833bc4f3fd8
        • MD5 SHA1 SHA512

        memory/1716-13-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1716-21-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1716-2623-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1716-7880-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/5948-0-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/5948-11-0x0000000000400000-0x000000000043E000-memory.dmp