Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 01:17

General

  • Target
    2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 1.1MB
  • Sample260511-bnf6esht5t
  • SHA256 0b019f641acc974ae14ee7e24e13214cfc34d04f991e11cafaad0aa6402b463d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (257) 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_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:2268
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:724
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4240
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3AD2.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2316
      • C:\Users\Admin\AppData\Local\Temp\2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
        3⤵
        • Executes dropped EXE
        PID:4892
    • 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:4688
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4396
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3784
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1188
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3176
  • 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:4968

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXD581.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXD581.tmp
        • Size 156KB
        • SHA256 958374c932a592df312171e240d1e54711dce44a675649b24880d463a357c3f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD7E5.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXD7E5.tmp
        • Size 94KB
        • SHA256 c860cf44f4174acba820391f674c414aaaabe89c820f5d170e9ff23eff0c1b41
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXDC1D.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXDC1D.tmp
        • Size 103KB
        • SHA256 832e42e461c8bd30529330656de5f958036e57f7501a8c21ffcbf09f77e7f299
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXDC7E.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXDC7E.tmp
        • Size 91KB
        • SHA256 3e0ffb71eb76b83bbb0714228cc0c2ae6e26bd1f6f4b3ff8f3f9db068bef9ebb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe.Exe
        • Size 4.0MB
        • SHA256 68ce8bd52b1abcc54c8d193e78c1034202158cc367719e88455026ea347b1811
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXDDC6.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXDDC6.tmp
        • Size 100KB
        • SHA256 2a67dc73e5308a2da8ae657a5cd89655853871ec5b520d557564dbf723c671f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe.Exe

        • Path C:\Program Files\7-Zip\7z.exe.Exe
        • Size 642KB
        • SHA256 7a4ecb42907684bf69ebf0e408b60a91efc6c537a2a2d13d38782777208a2453
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC85E.tmp

        • Path C:\Program Files\7-Zip\RCXC85E.tmp
        • Size 91KB
        • SHA256 0ede660066374095b0f2d2a795fa5c5b605022294ee539f3eefe0be72db486f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC9CC.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXC9CC.tmp
        • Size 92KB
        • SHA256 b1edaba59258b93a813af43f83e931f374f0b97c80da91e7fb49c9f9e6df3fb2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXCD0D.tmp

        • Path C:\Program Files\Mozilla Firefox\RCXCD0D.tmp
        • Size 91KB
        • SHA256 424c8fff083f401cafad763c6dde11acd90ececf16de85ebb55224c5e82da8ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe.Exe

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\setup.exe.Exe
        • Size 545KB
        • SHA256 6ba4190583a87af860bbb00b3a495ae496d4bf24e4ccd9679164206e12f2b92c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a3AD2.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a3AD2.bat
        • Size 902B
        • SHA256 1050305b7b18658b4bb13fe7436c5a8751bda9f89e5858cd0f011eb997a6d767
        • MD5 SHA1 SHA512 TLSH

        2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-11_5473ed5f7c1f16af4a865de7b50ce0f1_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 996KB
        • SHA256 0ff1cbb1212fc12240a17455eb525fc152724134f760efd848ef86b8a03e85e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 b0ff333d8ed2795da6f694636e31c9e6bf262f98c9f88cfbfe86992372a45c17
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/2268-0-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2268-11-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4688-23-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4688-771-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4688-1262-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4968-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4968-17-0x0000000000400000-0x0000000000429000-memory.dmp