Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/05/2026, 02:11

General

  • Target
    2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 1.3MB
  • Sample260507-cmnpjsdy2w
  • SHA256 e168a1ef8d1ff59c9d638cd97c67e64eea2a2e04351ec47a4733a65e4fbcf471
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (256) 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
  • 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\2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_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:4352
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4484
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a248A.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Users\Admin\AppData\Local\Temp\2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
        3⤵
        • Executes dropped EXE
        PID:4384
    • 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:4996
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3696
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4448
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1152
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3960
  • 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:4664

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 e6b86cbe7dfb3a1c24d8584cea610f62f42fa432b32924a4b93cc33e88a2639f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC044.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\RCXC044.tmp
        • Size 103KB
        • SHA256 58f0fceccd2b180e9f1e78fee4f9b8691f740e9fc5af2c12d4355f6845fd297c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC0F7.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXC0F7.tmp
        • Size 91KB
        • SHA256 391d0ac21de97adc0f4bc834ad3900a2f3e9ff51f8e14b7979f56b16490a6cb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXBF26.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXBF26.tmp
        • Size 118KB
        • SHA256 1258060dc2832a856233f3a6d07eb1c12befaf2a29fab42a43a99896d452ba0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe.Exe

        • Path C:\Program Files\7-Zip\7z.exe.Exe
        • Size 642KB
        • SHA256 c4205f5ff711ccb1034b30e2dc42138708b48809f140fa12523c06666811bc3a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB1E8.tmp

        • Path C:\Program Files\7-Zip\RCXB1E8.tmp
        • Size 91KB
        • SHA256 86203aa17e0d0c597a4e352a04d72970c7312a1acfb39939f94cb7a82719560b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB2D9.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXB2D9.tmp
        • Size 92KB
        • SHA256 5c91e0e6ccda57e069417422c5156634a5ff5bf4d513651e363c4c3cd0cbfa84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe.Exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe.Exe
        • Size 4.3MB
        • SHA256 f1307a0d5e5db68997d137af1c5ce9cce1e5c8a021620759a891c325f151fa71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SPREADSHEETCOMPARE.EXE.Exe

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE.Exe
        • Size 554KB
        • SHA256 2d28110e25fa95e1982ba3b8682a00a9b945bfc08be477b710cf4ceb7ef011b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB5CE.tmp

        • Path C:\Program Files\Mozilla Firefox\uninstall\RCXB5CE.tmp
        • Size 100KB
        • SHA256 2f67b2e20f4860f4e1166281e1727a491b54eed9487a9e6a458cf4b728f767c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC5EA.tmp

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCXC5EA.tmp
        • Size 92KB
        • SHA256 bbadef99a65f202778c81f9796149beaf495df7202c9c7aec55e4dbddd445f32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a248A.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a248A.bat
        • Size 902B
        • SHA256 11b998e59679abe8d8769b62cedfd256eacf4519be04f1b41b312d1a95f22fc4
        • MD5 SHA1 SHA512 TLSH

        2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-07_80a5a61ed8ca1a62294a7af735f18ffd_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 1.2MB
        • SHA256 9f7f04ce2bae3e76e41ddc706f9c1cc35405a1d21c488fe4f81eb89fdff51907
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 791b8416bc35cd704ed0d7450e3c8534ab0c50a7d946632614285e6302761e99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/4220-9-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4664-16-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4996-19-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4996-1134-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4996-1255-0x0000000000400000-0x0000000000429000-memory.dmp