Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 02:02

General

  • Target
    2026-07-06_8efebbcbef24ee7001d14ada159d70ea_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 1.3MB
  • Sample260706-cf7tvacy6p
  • SHA256 5fc7cb875576a022991287d6d41b0cb72990e4bbe78cc86bcfc0f0d22ebe3225
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (259) 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\2026-07-06_8efebbcbef24ee7001d14ada159d70ea_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_8efebbcbef24ee7001d14ada159d70ea_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:4312
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5820
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:6048
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aECEB.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5860
      • C:\Users\Admin\AppData\Local\Temp\2026-07-06_8efebbcbef24ee7001d14ada159d70ea_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-07-06_8efebbcbef24ee7001d14ada159d70ea_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
        3⤵
        • Executes dropped EXE
        PID:6096
    • 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:6020
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4988
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:6036
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5336
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5704
  • 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:848

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX8345.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCX8345.tmp
        • Size 156KB
        • SHA256 ec81057ae78a6e3d34ece1bcd7958511999b0d8a02cbcfd2bb235acec22f0f61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe.Exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe.Exe
        • Size 1.2MB
        • SHA256 6d07bb34d50317f8f3928cbc08afdae5b292e0638c32a0257172cf83007d6b83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX875D.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\RCX875D.tmp
        • Size 3.5MB
        • SHA256 a5e4a3affe000f33676857b3773915e80ae716c77655f93f5faaa07c743e0214
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX88AC.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCX88AC.tmp
        • Size 91KB
        • SHA256 fbef7ebba35ed82c5d1e035efc8e40a65227b23c6637aa4688acf4f54c1a21f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX86CD.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCX86CD.tmp
        • Size 118KB
        • SHA256 76385d8ac03603e12af1c7e9d0df3eed8bf9a0b6cd9eaac2c71481f61bd293d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX89D5.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCX89D5.tmp
        • Size 100KB
        • SHA256 5d833741eefd0cbf607b9d48af9fed37dff86c9dedb80472ec0d80f6c7b2ef44
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7B59.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX7B59.tmp
        • Size 92KB
        • SHA256 649151b37703af62456bfccb54f299373e9b03cc11ded35f8243ef8d7721a47b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7E0D.tmp

        • Path C:\Program Files\Mozilla Firefox\RCX7E0D.tmp
        • Size 91KB
        • SHA256 dcb25691069045854e8cfa1478c2b86b14db7628faeb53350ca524e78f8a9be5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8E0C.tmp

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCX8E0C.tmp
        • Size 92KB
        • SHA256 5b31ae9745506db82ac85f350dab239211bdaf9e26b8e7684eb9abb28bf8da49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8E6B.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCX8E6B.tmp
        • Size 92KB
        • SHA256 bec1eeac7f6b8fee890de7c7c735281ab7c863380fef39247ddffe709dc0a38b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aECEB.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aECEB.bat
        • Size 902B
        • SHA256 67c654b668ed04e60eb9f80619b475dec131de891b5f3395247d9bc2cc14f9f5
        • MD5 SHA1 SHA512 TLSH

        2026-07-06_8efebbcbef24ee7001d14ada159d70ea_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-06_8efebbcbef24ee7001d14ada159d70ea_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 7668ba1c9944ce05279a14c6cb02f0849168afcc0a638679bcb3b608371510e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/848-18-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4312-10-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/6020-21-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/6020-1142-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/6020-1266-0x0000000000400000-0x0000000000429000-memory.dmp