Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 05:00

General

  • Target
    2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.exe
  • Size 667KB
  • Sample260803-fm6f5scd32
  • SHA256 487f8c94754f60fc823c9879560ecabab9f8062e5d4f3f55f6b060dfdc7926f1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (258) 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 3 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.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:4676
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3304
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a10DE.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4184
      • C:\Users\Admin\AppData\Local\Temp\2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.exe"
        3⤵
        • Executes dropped EXE
        PID:4808
    • 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:2440
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4544
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4344
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4580
  • 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:1648

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXA8FE.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXA8FE.tmp
        • Size 156KB
        • SHA256 9a7c2aa86894ba443a5bb542e4f2806f09e5877fec2b8005b0055e8816f134b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXABFE.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXABFE.tmp
        • Size 94KB
        • SHA256 d8d93131073755f109a310d912b7cc1bf5987ba277d9906c58a6df1698059270
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXAECE.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXAECE.tmp
        • Size 103KB
        • SHA256 742b2019651362fe67da7a19288776610f4253de8760ea42bd14c35e66d63112
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXAF2F.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXAF2F.tmp
        • Size 91KB
        • SHA256 a567f4fffbd1b33867124e6531d2ee8b2982125a638c75da7b43e2e1c125a776
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXAD50.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXAD50.tmp
        • Size 118KB
        • SHA256 8dce519c0690c2fa257e999e00e35081798ddc0f5ee942851cc6e12ebaca008d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB078.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXB078.tmp
        • Size 100KB
        • SHA256 9dcc53ffac89bd4a5d65f07e3506a7bf2716e69fdf30765fbc11361ec114a5be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9E6B.tmp

        • Path C:\Program Files\7-Zip\RCX9E6B.tmp
        • Size 91KB
        • SHA256 28a5d71a5c29ae53a449f5e26f9ca4c3eb044c56c3d44676fcd407e9d309ab3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9FD9.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX9FD9.tmp
        • Size 92KB
        • SHA256 e96d91c42307a0306bcfc6492584e422806e1bc8e8c2f71686233cd08d6485b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe.Exe

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\setup.exe.Exe
        • Size 545KB
        • SHA256 869f9c41102cf9c89ae1dbe3efa10817d993678021ecfc7552e992c245eacf12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB636.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXB636.tmp
        • Size 92KB
        • SHA256 37f384e354898f55e655ff5edaaec13a4fe6ed2b962e5962d68a9477d15e95aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a10DE.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a10DE.bat
        • Size 704B
        • SHA256 9ec89dc94760a21d50ae7e3e4015b3a3fb6ab8a2cbb460f132ab67cbef56db1a
        • MD5 SHA1 SHA512 TLSH

        2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-03_87a47740010230e5a82007d85f6e5106_elex_icedid_njrat.exe.exe
        • Size 574KB
        • SHA256 0cf9864ae3a8679ed503f954a453452c93fa44f99ca6f39bbc5860abde7fd35e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 49b501bf68e5983723357fde28fcb430813ec69331384ceec95f7660c185c826
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/1648-21-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2440-24-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2440-11-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2440-1146-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2440-1267-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4676-14-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4676-0-0x0000000000400000-0x0000000000429000-memory.dmp