Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 03:24

General

  • Target
    2026-06-30_aa72c02d629d64d4347c0dfbb324908e_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 736KB
  • Sample260701-dybd2adv8l
  • SHA256 b0199746c569ab067fd72dd10b4ee1daec9f8bcea325999848b6428f5357b0ac
  • 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 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
  • 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\2026-06-30_aa72c02d629d64d4347c0dfbb324908e_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_aa72c02d629d64d4347c0dfbb324908e_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:5072
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5968
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4076
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4C56.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2724
    • 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:2144
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4712
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2656
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1252
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5232
  • 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:5976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeARM.exe.Exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe.Exe
        • Size 1.2MB
        • SHA256 ede37e3da675fb1bab6d3ab497460ae8f6e731ac62477967fa59654e15c5e772
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE64A.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\RCXE64A.tmp
        • Size 104KB
        • SHA256 0d4c2a50bf116712e79a3c26e5ea7506b1d005d4e50b2822aa11bd6d7f79dd8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE71C.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXE71C.tmp
        • Size 293KB
        • SHA256 3162ad870726ab0888021c3b3c75db2e358d4809b57d5fe173674479b95a96bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE5AB.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXE5AB.tmp
        • Size 1.9MB
        • SHA256 c05273aa96a7b4f80c22cea056a73818e19f2e635a86aac1db7034550e98a748
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE807.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXE807.tmp
        • Size 100KB
        • SHA256 97ae92e5f08ac4aa0856ec7b124c5c65fa2d573e166f0892bdf30b704f0067f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD9D3.tmp

        • Path C:\Program Files\7-Zip\RCXD9D3.tmp
        • Size 92KB
        • SHA256 13eaf461fe8aab179fbe3d8da32fa37a00d7afeba2304703ff7bcb8b2a7e260c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXDAE3.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXDAE3.tmp
        • Size 92KB
        • SHA256 1ef0f5f8ade3fba5e40c21d51021e58c63ec0ffcd2e9d78c1d0ebc5a9b358952
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe.Exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe.Exe
        • Size 4.3MB
        • SHA256 39e0d68d4fa275ee0a3681d55a90f85fea54c4a3bbebaafe3f23afd0a94e42d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXECCC.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXECCC.tmp
        • Size 538KB
        • SHA256 4e5ff3cd20055a383ad8ae771b021501f1aeec4ed5fb603ec5670c832e0c3528
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a4C56.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a4C56.bat
        • Size 902B
        • SHA256 d1a080178d96170160cd05a40cf303b03dcc5d527ed768c7afe8d65587008bdc
        • MD5 SHA1 SHA512 TLSH

        2026-06-30_aa72c02d629d64d4347c0dfbb324908e_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-06-30_aa72c02d629d64d4347c0dfbb324908e_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 643KB
        • SHA256 d03580d8f776dd443943ad47bdd39190176fbcaf51c996c136aac4eaf3f1f60d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 0c3f26772e81c6e001e74ec57114fb9d1e45345120673401d7fe5a9fd79e3af8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/2144-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2144-1141-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2144-1262-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5072-10-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5976-17-0x0000000000400000-0x0000000000429000-memory.dmp